Trammel began his time in Tennessee State politics as a key legislative liaison for the Department of Finance and Administration under Governor Haslam. During this time, he worked on the state's budget process, information systems and insurance plans and served as a vital link to the General Assembly on several topline legislative priorities.

Trammel transitioned to the private sector after the Haslam Administration to serve as a senior government relations advisor at Butler Snow. There he leveraged strategic procurement to create open channels of communication with top decision-makers and lobbied a variety of issues including health care, insurance and telecommunications.

Trammel is an alumna of the University of Tennessee–Knoxville, where he graduated magna cum laude and received his law degree from the University of Memphis. He has been listed among Ones to Watch in government relations practice by Best Lawyers in America®.

Originally from Brentwood, Trammel lives in Franklin. Outside the office, you can catch him at one of his kids' sporting events or out on the golf course.

20+ years

Listed as one of New Hampshire's top twenty most effective lobbyists by Business New Hampshire magazine. Recognized in the Union Leader, New Hampshire's only state-wide newspaper in 40 Under Forty, described as "40 up and coming people, all under the age of 40, who are making a difference in our state."

Curtis served as Senior Legislative Assistant to the New Hampshire House Majority Leader and as Legislative Assistant to the Senate Majority Leader prior to his lobbying career. He established and maintained a practice in government relations representing four professional/trade associations and a pari-mutuel facility, and served as Executive Director of the New Hampshire High Technology Council before joining a larger firm for 18 years where he eventually become a partner. He was listed as one of New Hampshire's top twenty most effective lobbyists in 1996 at the age of 33, by Business New Hampshire magazine. In 2003, Curtis was recognized in the Union Leader, New Hampshire's only state-wide newspaper, as one of that year's 40 Under Forty, described as "40 up and coming people, all under the age of 40, who are making a difference in our state." Curtis has been closely involved in New Hampshire state politics for over 30 years, including being chosen as a Delegate to the 2008 Republican National Convention. In the past, he has served in senior campaign staff positions for two Presidential Primary campaigns, two New Hampshire Congressional campaigns and a governor's race, and has been an advisor to several successful state Senate campaigns. He has also been an analyst on the New Hampshire Primary for CBS radio network and a number of radio talk shows across the country. Curtis also appeared as a regular pundit on the political website Primary Diner. One of his articles, NH Primary for Dummies, was featured on ABCNews.com. Curtis has coached youth baseball and softball, and served as New Hampshire District Two Commissioner for Babe Ruth Softball and has been a Director, many years as President, of the Concord Baseball Association, Inc., a charitable non-profit corporation. In that capacity, he led the effort to bring a team in the New England Collegiate Baseball League, the Concord Quarry Dogs, to Concord and was involved in two Babe Ruth League baseball World Series hosted in Concord. He was also a founding member of the Concord CrimeLine.

DENNIS J. KEARNEY concentrates his practice in government. He provides legal, legislative and strategic services to clients affected by local, state or federal government policy, legislation or regulation. Dennis formerly served in local, state and county government including 12 years in elected office as a member of the Massachusetts Legislature and as Sheriff of Suffolk County. Prior to forming Kearney, Donovan & McGee, LLC in 2003, Mr. Kearney managed the government practice group at Choate, Hall & Stewart, and served as President of Kearney & Gleason, P.C.

MICHELLE MCGEE focuses her practice on government affairs representation before government bodies at the local, state and federal levels. She has extensive experience representing clients' interests before both the Massachusetts and Connecticut legislative and executive branches of government. Formerly, Michelle worked at New England Electric System (now National Grid) where she developed and implemented comprehensive legislative and external strategies to achieve New England Electric's public policy initiatives in both Massachusetts and Connecticut. Prior to establishing Kearney, Donovan & McGee, LLC, Ms. McGee was a member of the government affairs practice group at Choate, Hall & Stewart.

Ross Giesinger brings over a decade of legislative experience at the Texas Capitol to the Cornerstone team, having served for six legislative sessions in both the Texas House and Senate.

Most recently, Ross worked as a policy advisor to Dade Phelan, Speaker of the Texas House, of Representatives, during the 87th Regular Session, where he assisted with the passage of over 80 pieces of legislation. Additionally, Ross drafted and managed several bills filed in response to Winter Storm Uri, including SB 3, one of the most comprehensive energy reforms in Texas in the last 20 years.

Prior to his time in the House, Ross spent several years working as general counsel and legislative director for Sen. Lois Kolkhorst (R-TX) and as the director of the Senate Committee on Health and Human Services. While at the Senate, Ross assisted with the passage of nearly 300 bills and worked to obtain funds for a variety of initiatives, including legislation that secured permanent funding for Texas State Parks.

Ross began his career at the legislature in 2010 as a drafting attorney for the Texas Legislative Council. During his time with the state, he has drafted thousands of pieces of legislation, allowing him to develop expertise in a wide variety of subject areas, including energy, healthcare, water, land use and development, transportation, insurance, labor, agriculture, wildlife, taxation, and state budgeting.

Ross is a graduate of the University of Texas at Austin and Southern Methodist University's Dedman School of Law. He is a member of the Austin Young Lawyers Association and was recently elected to serve on the Council of the Texas State Bar's Legislative and Campaign Law Section. Ross also serves as a Steward of the Wild for the Texas Parks and Wildlife Department and has been active in the Austin Ballet Guild, the Trail Foundation, and CCA. He and his wife Courtney live in Austin with their young son Henry.

PAUL DONOVAN's practice is focused in the area of government relations, including representation before government bodies at the local, state and federal levels. He has extensive experience representing clients before the Massachusetts General Court, where he has been successful helping clients meet their governmental objectives.

Paul worked for 10 years at the Suffolk County Sheriff's Department, earning a seat on the Sheriff's Department management team. In addition, Paul provided counsel to the Massachusetts Sheriffs' Association on various legislative issues. Paul has been involved in numerous political campaigns, including a 1993 Boston mayoral campaign, in which he was responsible for directing a field operation of more than 2,500 people. Prior to establishing Kearney, Donovan, and McGee, LLC, Mr. Donovan was a member of the government practice group of Choate, Hall & Stewart.

Nathan Poss has over 20 years of experience in both the public and private sector. His focus is to provide clients with a comprehensive range of services, including: legislative drafting and tracking, policy development, governmental lobbying (at all levels), strategy development, and business procurement.



Prior to forming JohnsonPossKirby Government Relations in 2007, Nathan served as a principal at Smith Johnson & Carr, focusing on lobbying efforts for the firm's business clients and taking the lead on procurement strategies.



Before entering into the lobbying world, Nathan served seven years on Capitol Hill as a legislative assistant to then Speaker Pro Tempore of the Senate, State Senator Bob Rochelle. During his tenure with the state, he played an important part in writing and developing legislation, organizing political strategies, building coalitions, and monitoring legislation for committees. Poss has also been actively involved in numerous successful political campaigns.



Poss has built a reputation of hard work and respect among those on Capitol Hill. Working with major players in the state's business community, he has served as a key strategist on major environmental and tax issues. Nathan has garnered a reputation for producing tangible results through well-executed and intricate lobbying efforts designed to achieve long lasting success for his clients.

In addition to his lobbying successes, Nathan has extensive experience with the procurement process in Tennessee. Recently recognized by the TN Report for being known as an "expert in the state's purchasing practices," Nathan has cultivated the necessary connections with top-level decision makers throughout all areas of state government. Throughout his practice he has developed a strong grasp of the state's purchasing processes, and has successfully secured multi-million dollar purchases for numerous clients.

Nathan is a graduate of Cumberland University with a B.A. in Social Science. A native Tennessean, Nathan grew up in Lebanon and currently lives in Green Hills with his wife Molly.

CHARLENE RIDEOUT provides government relations and lobbying services to clients of Kearney Donovan & McGee, P.C. Formerly, Ms. Rideout served as Intergovernmental Affairs Manager for the Massachusetts Water Resources Authority (MWRA). In that capacity, she was responsible for implementing legislative and regulatory strategies as well as promoting and advocating MWRA's legislative agenda. Prior to working at MWRA, Ms. Rideout was legislative director for the Massachusetts State Senate Assistant Majority Leader and Senate Chair of the Banks and Banking Committee.

20+ years

Gary Oxley established Oxley & Associates, Inc. in 1992, after serving as the Development & Government Affairs Manager for The Southland Corporation, a multi-level corporation that included the 7-Eleven Store chain and its subsidiaries. He has grown the firm into a multi-state, independent, full-service political and public affairs firm that represents a distinguished list of clients, including some of Oregon's largest employers. The broad range of issues that impact the firm's large portfolio of clients reflects the depth of public policy knowledge and related strategic skills that he brings into every advocacy situation he is asked to engage in at any point in time.

Gary has been actively involved in local politics and has been appointed to serve on a variety of state and local policy committees. He is a co-founder of the Retail Task Force (a coalition of real estate developers, realtors, national commercial tenants, and land use consultants). Gary previously served as a member of the Portland City Club's Land Use and Economic Development Committee, the State Health Department's Food Service Advisory Board, the Liquor Control Commission's Package Store Advisory Committee, and the Board of the Oregon Trail Chapter of the American Red Cross. Gary is a member and past director of the Capitol Club.

Zoe Halfmann joined Cornerstone as a Principal in our Dallas office in September 2025.

Prior to Cornerstone, she was Chief of Staff to Dallas City Councilmember Paula Blackmon. In this role, she advised on key policy initiatives related to preemption, mental health, , fentanyl and funding for district projects. She oversaw the Councilmember's agenda, collaborated directly with city executive staff and fellow councilmembers, managed internal operations and coordinated media and communications strategy.

Prior to that, Zoe served as Vice President of Public Policy at the Dallas Regional Chamber, where she managed local government relations and led the organization's work in critical areas including infrastructure, healthcare and water policy. She also helped lead the formation of the Good for Texans PAC, provided on the ground support during the 88th Session of the Texas Legislature, and revitalized the organization's Infrastructure Task Force to advance regional priorities. Zoe also organized high-profile events including coordinating state and federal fly-ins, hosting the Texas Governor and the Speaker of the House, and planning roundtables with local and national stakeholders.

In addition, Zoe has held various roles within the City of Dallas including Legislative Manager, Council Liaison and Policy Advisor and Legislative Coordinator.

She holds a Master's in Public Administration from the University of North Texas, where she was a Hatton Sumners Scholar. She also has a Bachelor of Arts in Political Science from the University of Arkansas.

ANTHONY PETRUCCELLI came to Kearney, Donovan & McGee LLC with extensive experience at the municipal and state levels of government in Massachusetts. First elected to the Massachusetts House of Representatives in 1999 and then the Massachusetts Senate in 2007, Anthony is well-versed in legislative issues and is able to use his unique perspective to successfully advocate for his clients' interests.

20+ years

Forty Under 40 (2004) Recognition by statewide newspaper of those under 40 making an impact in NH.

President's Award - NH Dental Society (2011)

Extra Mile Award (2014) NH Manufactured & Modular Housing Association

Prior to joining JohnsonPossKirby in 2017, Luke served Capitol Hill in the Tennessee General Assembly, the Department of Finance and Administration, and the Office of Governor Bill Haslam.

Luke began working in politics in 2009 for Representative Pat Marsh and then joined Governor Haslam's office in February of 2011. During his tenure there, Luke helped shepherd the Governor's signature legislation through the legislative process. These initiatives include teacher tenure reform, tort reform, the TEAM Act, the Prescription Safety Act, and TN Promise to name a few. In 2015, Luke left the Governor's office to join Commissioner Larry Martin and the Department of Finance and Administration.In his role as Legislative Liaison, Luke was responsible for communicating with the legislature on behalf of Commissioner Martin and the divisions within the department. Luke worked with the Commissioner, Strategy Technology Solutions (STS), Benefits Administration, and the Division of Budget to achieve the department's goals and facilitate a strong working relationship between the department and General Assembly.

In addition to his work with the F&A divisions, Luke played a role in preparing the Governor's Budget and advocating for its approval in the General Assembly. These budgets included the largest tax cut in state history, two debt free budgets, and significant investments in recruiting jobs.Luke and his wife, Katie, live in Franklin with their two daughters, Ryall and Mackie.

Anne Mazuca brings over a decade of legislative experience working at the Texas Capitol, most recently serving six years as Chief of Staff to State Representative R.D. ‘Bobby' Guerra.

During her time working in the Texas legislature, she has worked for Members from Dallas, Galveston and South Texas, allowing her the opportunity to build relationships with local elected officials, community leaders and stakeholders from across the state while working on a wide range of policy areas. Prior to being named chief of staff, she served as a legislative director and legislative aide where she was the primary staff lead for the House Appropriations Committee Article II and Article III focusing on healthcare and education funding, the Public Health Committee, Energy Resources, Business & Industry, Ways & Means and Insurance committees.

In her capacity as chief of staff, Anne was responsible for guiding the day-to-day operations of the Capitol and McAllen offices. Outside of the office, she provided support for her Member's re-election campaign where she provided feedback on messaging, managed all Texas Ethics Commission and campaign finance filings and offered general advice and assistance related to his campaign.

An Austin native, Anne has close ties to the city in which she still resides.

Felix Chevalier is an attorney and government affairs professional with over 20 years of experience developing and implementing effective procurement and policy strategies. He's skillful at identifying and facilitating public-private partnerships. Felix joined Cornerstone's Houston office as a senior consultant in June 2022.

Felix provides expertise and client support at the local, state and federal levels. He also has an extensive national and international network, specifically in Central America, South America and the Caribbean. Felix has worked with companies in various industries including energy, manufacturing, transportation, agriculture, engineering, and technology. By leveraging his business, political, and legal experience, Felix has built a successful track record of working with clients to advance their strategic business objectives. He has strong relationships with the international diplomatic community and government officials. He has facilitated official delegations and international trade missions, representing companies, local governments and national associations.

In 2005, Felix launched his own Houston-based law firm, The Chevalier Law Firm, which he continues to manage and operate, representing companies in a wide variety of industries. He also co-founded Key PAC, which is a non-partisan organization that convenes business and community principals with political leaders on economic and social matters.

Felix received his law degree from St. John's University School of Law, his Bachelor of Arts from the State University of New York at New Paltz College and completed an Executive Education Program at the Tuck School of Business at Dartmouth College. He also speaks fluent Spanish.

11-15 years

As President of Oxley and Associates, Evyan Andries manages the firm's operations and development of political strategy for its diverse client base. She brings over a decade of experience in helping clients navigate complex regulatory, legislative, and political issues with agencies, municipalities, and state and local governments. In her time at Oxley, she has built trusted relationships with legislators, local government officials and leadership at agencies across the state.

Evyan is an adept political strategist and negotiator. She has helped shape the political and regulatory environment on issues in health care, transportation, energy, criminal justice, agriculture, and labor and employment among others. When Oregon's decision makers debate controversial policies impacting corporations, businesses, associations, or nonprofits, Evyan ensures her clients have a seat at the table. She's supported several of Oregon's largest retailers in navigating an evolving regulatory and political environment, allowing them to build a a strong reputation within the community while maintaining their operational integrity. Her rapport, expertise, and work ethic have helped clients start important conversations in the state from modernization of the public defense system to bringing baseball to Portland through the Portland Diamond Project.

Evyan has built a strong reputation in crisis management, supporting clients through a challenging, ever-changing regulatory environment in response to the COVID-19 pandemic and wildfires. With boots on the ground, she was able advise clients on required adjustments to their operations to ensure compliance and safety in the community.

Evyan received her Bachelors degree in International Management from Pepperdine University and a Certificate in Dispute Resolution from the Strauss Institute at the Pepperdine School of Law. She currently serves on the Executive Committee of LEAP, Leaders and Executives Across Professions, an organization of women executives focusing on career advancement, mentoring and referrals. In her spare time, Evyan enjoys being with her husband Colin and son Jack, exploring Oregon's beautiful scenery, hosting casual dinner parties, attending shows and traveling internationally. She has an adventurous spirit and has lived in Italy and London, where she became proficient in Italian and French.

Tony Essalih joined Cornerstone in 2011 as a co-lead of the firm's flagship Texas office in Houston. He spent 12 years on Capitol Hill and came to Cornerstone from the office of Congressman John Culberson (R-Houston). Tony worked for Congressman Culberson for 10 years, the last five as his chief of staff. Prior to becoming chief of staff, Tony served in a variety of capacities including legislative assistant, legislative director, communications director, and deputy chief of staff. He spent eight years in Washington, D.C. before relocating to Houston in 2007.

As chief of staff, Tony was responsible for guiding the day-to-day operations of the Congressman's Washington and Houston offices, and oversaw a 15-member staff under a fixed budget. Outside of the office, he served as the principal liaison to the Congressman's campaign committee and provided strategic counsel and advice related to his re-election efforts. Tony's areas of policy expertise include transportation, energy, budget and appropriations. Tony also led outreach efforts and served as an emissary on behalf of the Congressman with state lawmakers in Austin and local elected officials in Houston.

Prior to Culberson's election in 2001, Tony worked as a legislative assistant for Congressman Culberson's predecessor, former House Ways and Means Committee Chairman Bill Archer. Tony's began his tenure on Capitol Hill with former House Natural Resources Committee Chairman Doc Hastings.

Tony has advised and assisted numerous local, state, and federal campaigns. He serves on the board of the National InterFaith Foundation, the Advisory Board for the Houston Technology Center, spent two years on the Board of the Spring Branch Medical Center and was a member of Houston Mayor Annise Parker's transition team in 2010.

Tony was born and raised in Fredericksburg, VA and received his B.A. in Political Science from Mary Washington College. He was a member of Mary Washington's NCAA semifinalist men's soccer team. He lives in Houston and has two angelic daughters, Grace and Libby.

0-5 years

Jordan Bice joined Oxley & Associates in 2018. He works on a myriad of issues, including energy, transportation, and tax policy. He helps clients navigate Oregon's transition to a lower carbon emissions future and a cleaner transportation system by keeping his finger on the pulse with legislators and key state agencies, such as ODOE, DEQ, and ODOT. Whether it is helping transit programs run smoothly, businesses get goods to market, or troubleshooting carbon reduction programs, Jordan uses his policy and regulatory background, communication skills, and relationship building to help clients serve their customers better.

Before joining the Oxley team, Jordan worked in government affairs for the electric utility, Pacific Power, specializing in Oregon legislative issues and transportation electrification policy and programs. Prior to returning to Oregon, he worked in Washington, D.C. as a Legislative Aide for U.S. Senator Jeff Merkley on energy, environment, and agriculture issues. Jordan has campaign experience from his time working on a successful U.S. Senate race.

Jordan grew up in Lake Oswego and graduated from the University of Washington with a political science degree and a minor in music. Aside from work, he sits on the Board of Directors for the youth mentorship non-profit, Friends of Baseball, and lives in Southeast Portland with his wife, Samantha, son, Elliott, and Chihuahua, Griffey.

20+ years

Presented and moderated panels at the New Hampshire Business and Industry Association's annual energy symposiums.

Presented at Northeast Energy and Commerce Association's "Hot Topics in 2024 New England Public Policy Webinar."

Recipient of the New Hampshire Business and Industry Association's 2005 "Above and Beyond" award.

I appear before the New Hampshire Legislature, state agencies (e.g., the Department of Energy, Department of Health and Human Services, and the Department of Insurance) and boards (e.g., Prescription Drug Affordability Board) for public hearings, work sessions, testimony, and presentations.

I am a government and regulatory affairs professional with 24 years of experience representing clients before the New Hampshire General Court and Executive Branch agencies. I work collaboratively with clients and colleagues to develop, implement, and adapt strategies for communicating, negotiating, and promoting public policies that advance client goals.

I maintain positive working relationships and open dialogues with state officials, stakeholders, and client team members as I advocate for client positions. I am a trusted and respected source of information and appear before the New Hampshire Legislature, state agencies, and boards for public hearings, work sessions, testimony, and presentations. I have worked on public policy issues and legislative and regulatory matters related to energy, environment, health care, elder law, transportation, business strategies, and economic and market analyses.

Prior to working in the government relations field, I was an energy policy analyst in the New Hampshire Governor's Office of Energy and Community Services, where I helped advocate for the Governor's preferred policies on electric industry restructuring.

Matthew Garcia joined Cornerstone in December of 2024, expanding the firm's Texas footprint to Dallas. A seasoned government and public affairs executive with over two decades experience in the Dallas Region, Matt brings a wealth of experience in policy, advocacy and stakeholder engagement. He joins Cornerstone from the Dallas Regional Chamber, where he served as Senior Vice President of Public Policy and Advocacy. In this role, he spearheaded the organization's public policy strategy, while remaining closely engaged with legislators, key stakeholders and C-level executives across the Dallas Region for one of the largest Chambers of Commerce in Texas.

Prior to his time at Dallas Regional Chamber, Matt worked as the Director of External Affairs for Leon Capital Group where he developed the firm's public affairs strategies across their multiple business lines.

Previously, Matt served in the United States House of Representatives, first as District Director (2010-2013) and then as Chief of Staff-Texas (2013-2018), managing Rep. Pete Sessions' (R-TX) office and serving as a key advisor on energy, transportation and general business issues for Texas. Notably, Matt served as the North Texas congressional point of contact working with area city officials, the North Texas Municipal Water District (NTMWD) and the Army Corps of Engineers to bring online Bois d'Arc Lake, the newest major reservoir in Texas in over 30 years. Matt also worked alongside emergency response teams at the city, county and state levels during the 2014 Ebola crisis in Dallas to deliver accurate and timely public communication while leading information coordination with federal agencies, including the National Institute of Health and the Department of Health and Human Services.

He earned his bachelor's degree in finance from the McCombs School of Business at the University of Texas at Austin. Garcia currently serves as Director of the Texas Association of Business, The Dallas Zoo and the Texas Lyceum, and member of the following organizations: McCombs School of Business BBA Advisory Board, Simmons Cancer Center Community Advisory Board, Reading Partners North Texas, the State Fair of Texas Chairman's Task Force, the YMCA of Metropolitan Dallas Brand Advancement Committee and the SMU Corporate Communications and Public Affairs Advisory Board.

20+ years

Prior to a 15 plus year stint at a Concord based law firm, I served as an assistant to former Manchester Mayor Raymond Wieczorek, where the duties included constituent services and policy planning.

I earned a Bachelor's Degree in Politics from St. Anselm College, and a Master's Degree in Public Administration from the University of New Hampshire. Prior community involvement includes participation on board of directors for the American Red Cross of New Hampshire, the Manchester Development Corporation, the City of Manchester's Conduct Board, Moore Center Services, and coaching various youth sports.

20+ years

The Best Lawyers in America, Administrative/Regulatory Law, Government Regulations Practice (2007-2019)

Martindale-Hubbell AV Preeminent Rated

Methodist University- Economics and Business Alumni Award (2003)

B. DAVIS HORNE, JR. manages the Government Relations practice at Smith Anderson and leads a team of professionals in the firm's Corporate Relocation and Expansion practice. Dave has spent nearly 30 years representing private interests - including many non-profit associations, medical groups and businesses - before the North Carolina General Assembly and other state and federal government entities. He has been rated in the top twenty of more than 700 lobbyists registered in the State by an independent survey of his peers, the press, and legislators conducted by the North Carolina Center for Public Policy Research Inc for more than a decade.

Dave also advises clients expanding in or relocating to North Carolina about state and local economic development incentives. He has represented clients in many of the state's largest economic development projects.

After receiving his BA with honors from Methodist University, Dave spent several years in business, returning to law school and receiving a J.D. from Campbell University with distinction. His law practice experience includes serving as Associate General Counsel and State Legislative Director for the North Carolina Farm Bureau Federation and its affiliated entities, which include the largest domestic property and casualty insurer in North Carolina. He also served as Director of Government Affairs for the North Carolina Bar Association for five years.

Max Moll joined the Cornerstone Public Affairs team April of 2023, bringing a public affairs and strategic communications presence to Cornerstone's Texas offices. In his previous role as chief engagement officer at the Houston Independent School District, he oversaw government relations, communications, family and community engagement and board relations for the nation's eighth largest school district. He also oversaw the district's legislative affairs work and external lobby team, ensuring alignment and execution of district's legislative priorities. In addition, he represented the district with external stakeholders, in traditional and digital media appearances, and on panels and other various speaking opportunities. He was also the lead spokesperson for the district and main point of contact for elected officials, advocacy groups and private industry.

Prior to working at HISD, Max served as the chief communications officer & deputy director for the Office of the Houston City Controller, Chris B. Brown. He spearheaded all communications initiatives for the Office of the City Controller, working across the City of Houston's 22 departments to help unify external and internal communications. Max served as liaison between Controller's Office and the city's investors, developing key external messaging relating to investment strategy, portfolio performance, and maintaining key relationships with city's investor base. In addition, and in partnership with the Controller's Office Treasury Division, Max helped oversee the city's Environmental, Social, and Governance (ESG) investments, helping grow the portfolio to over $950 million.

Max also served as the chief of staff to the CEO of the Houston Hispanic Chamber of Commerce, where he oversaw the development and execution of the Chamber's public affairs and community outreach efforts, legislative advocacy campaigns and external affairs projects. Also, he served as the main point of contact for media, securing comprehensive coverage and managing all media relationships on behalf of the Chamber and its members.

He holds a master's in business administration from Boston University, master's in political management from George Washington University, and a bachelor's in mass communication from LSU.

0-5 years

Annabelle Sebesta joined the Austin office as a Senior Associate in October 2022. In her role, she assists with administrative and support duties, scheduling meetings and organizing annual events and legislative receptions. Additionally, during the legislative sessions, she provides extensive support to the team by following legislation and keeping the team up to date with information.

Prior to Cornerstone, Annabelle served as Administrative Coordinator at the Office of the Texas Speaker. In this role, she assisted senior staff with correspondence, resource navigation, special property and supply requests. In the same office, Annabelle was a Correspondence Assistant, where she drafted correspondence by researching legislation and maintained data entry for incoming and outgoing communication. She also assisted the director of administration with onboarding the 87th regular legislative session intern class and new staff members of the office, as well as the production of special events.

Annabelle received her bachelor's degree in advertising from the University of Texas Austin.

Craig Holzheauser brings to Cornerstone years of involvement in Texas state and local politics. The son of a state representative, Craig went to work in the private sector after college before beginning a political career at the state capitol in 2012.

Working as a legislative consultant, managing the campaigns of House and Senate members, and serving as legislative director and then committee director of the House Committee on Public Health in his first year of employment, Craig is goal oriented and proven himself to be a quick study. Craig has a keen political intuition and a knack for developing the type of relationships that matter in campaigns, service of an elected official, or success for his clients.

A native of Victoria, Texas, Craig holds a Bachelor of Science in Construction Science from Texas A&M University.

Martin Hubert brings a wealth of state government experience to the clients of Cornerstone Government Affairs. From his early career as chief counsel to the Senate Natural Resources Committee to his gubernatorial appointment as a commissioner of the Texas Commission on Environmental Quality to his eight years as the deputy comptroller of Texas, Hubert has managed thousands of employees and millions of taxpayer dollars under both Democrat and Republican administrations.

Martin was the 2008 recipient of TSABAA's Administrator of the Year Award. Presented annually, this prestigious award was established to formally recognize state employees who have demonstrated outstanding leadership skills and who have made significant contributions to state agency business administration.

As the final general counsel to legendary Lt. Governor Bob Bullock, Martin learned the mastery of government relations from some of the most influential leaders in Texas history. His knowledge of agriculture stems from generations of the Hubert family's cow/calf and farming operations in South Texas and serving as the Texas Deputy Commissioner of Agriculture for eight years. Martin offers a unique combination of legal, natural resources, tax policy and state government procedural expertise.

Hubert is a graduate of the Georgetown University Law Center and St. Mary's School of Law. He was Brigade Executive Officer in the Corps of Cadets at Texas A&M University, where he was a member of the Ross Volunteers Honor Guard and the Singing Cadets. He successfully completed Army Ranger School and served in the U.S. Army Reserves. He is a marathon runner and coaches his son's little league teams.

Hubert is a second tenor and helps raise money for Legal Aid through the Travis County Bar Association's "Bar and Grill" fundraisers. He and his wife Celeste live in a historic home in Austin, where they are involved with the Austin Symphony, St. Theresa's Catholic Church and School, and the happily busy lives of their children Belle and Patrick.