0-5 years

A veteran campaign and policy analyst with more than a decade of high-level experience, Don Johnson leads SRG's extensive research and reporting efforts. In this role, Don provides clients with unmatched insights into policy debates, state and national political campaigns, and other public affairs intelligence to help inform business and legislative objectives.

Don launched his career as the Executive Director of the Republican Party of Shelby County where he recruited and trained volunteers for campaigns, helped to organize record-breaking fundraising events, dramatically grew e-mail advocacy reach, and put his organization at the forefront of emerging technology.

After leaving the Republican Party of Shelby County, Don was tapped to join the district staff of then-U.S. Representative Marsha Blackburn (TN-07), helping constituents navigate the complexities of federal agencies. He moved to Nashville in 2012 to join the Haslam Administration, climbing the ranks to become the governor's head of constituent services and community relations, a role that allowed Don to leverage his knowledge of the breadth of state agencies and services to provide referrals and support to constituents.

In 2019, Don was asked to continue leading the Constituent Services office for Governor Bill Lee, solidifying his reputation as one of the country's longest-serving constituent services directors who has been routinely called upon to give presentations and offer guidance to gubernatorial administrations in other states.

Mr. Walsh is a government affairs counselor in the firm's Washington, D.C. office. He was elected to the U.S. House of Representatives where he served from 1989 to 2009. During his tenure in Congress, Mr. Walsh served as a deputy Republican whip from 1994-2006. He was appointed as a member of the powerful House Appropriations Committee where he served from 1993-2009. During that time he became Chairman of four House Appropriations Subcommittees: District of Columbia; Legislative Branch; VA, HUD and Independent Agencies (NASA, EPA, FEMA, NSF, Selective Service); and Military Quality of Life (included jurisdiction for Military Base Construction, the Defense Health Program, and Housing Accounts) and Veterans Affairs. He also served as ranking Republican member of the Labor, Health and Human Services Subcommittee on Appropriations. Earlier in his career in Congress Mr. Walsh served on the House Agriculture Committee, the Select Committee on Children, Youth and Families and on the House Administration Committee.

Tony Niknejad is a distinguished policy strategist and government relations expert, skilled in the areas of legislative advocacy, fiscal management, and strategic planning. Tony assists clients with navigating the Tennessee political landscape, orchestrating policy and legislative initiatives, and steering comprehensive advocacy and public engagement campaigns. From 2019 to 2023, he was the Policy Director for Tennessee Governor Bill Lee, serving as a key advisor and leader for the Governor's Cabinet and leading many of the Administration's major policy reforms. As policy director, Tony also played a critical role in Governor Lee's successful 2018 campaign and post-election transition. Tony spearheaded key policy initiatives across a wide span, specializing in education, workforce, tax and healthcare policy.

• He was a driving force behind multiple Administration legislative initiatives, including the Education Savings Account Act of 2019, the Literacy Success Act of 2021, the Tennessee Strong Families Initiative, and the Tennessee Works Tax Act of 2023.


• Tony also led federal and multi-state relations through the COVID pandemic, coordinating the Financial Stimulus Accountability Group, which managed the allocation of over $6 billion in federal funds received through the CARES and American Rescue Plan Acts.


• Prior to his work with Governor Lee, Tony served as state director for a school choice advocacy organization, overseeing Tennessee PAC activities and lobbying efforts from 2013 to 2017.


• Before that, he served as a legislative staffer in the Tennessee State Senate during the 107th General Assembly.


• Tony is a member of the State Bar of Tennessee and graduated from Vanderbilt University Law School in 2011. He received his bachelor's degree from the University of Georgia, where he double-majored in Economics and Philosophy. He was selected for the Harvard Business School Young American Leaders program, Nashville Class of 2019.

Mr. Potter is a government affairs analyst at K&L Gates and focuses on federal policy. He represents corporate, trade association and non-profit clients on a wide range of issues before both houses of Congress as well as the Executive Branch. He works with the firm's clients and lobbyists to design and implement legislative strategies and proposals to develop Congressional and grassroots support for client priorities and counsels clients with regard to advocating issues before Congress. He has assisted numerous clients in securing and increasing federal funding for priorities ranging from development of energy efficient technologies to security preparedness.

For nine years, Mr. Potter has served as the pro bono government affairs advisor to the USA Science & Engineering Festival, the nation's largest effort to attract America's youth to careers in science, technology, engineering, and math (STEM). Under his leadership, the Festival's inaugural Washington, D.C. Expo in 2010 featured the participation of 50 federal government agencies. That year, the U.S. Senate and House unanimously passed resolutions of support for the Festival. The most recent Festival Expo in 2018 included over 80 federal agency participants.

Prior to joining the firm, Mr. Potter worked on the staff of Senator Phil Gramm (R-TX) where he focused on health care and Social Security policy.

Juris Doctorate and Master's in Business Administration from the University of Memphis.

Tennessee Bureau of Investigation, Tennessee Department of Children's Services, Tennessee District Attorneys General Conference

Zoe Sams is a Principal at Stones River Group, where she serves as a trusted advisor on government relations, public policy strategy, and legislative advocacy. Zoe brings more than a decade of experience working across Tennessee state government, with deep expertise in legislative strategy, policy development, and coalition building. In her role at SRG, she helps clients understand and influence the public policy process, navigate complex political and regulatory landscapes, and advance strategic objectives before the General Assembly and state agencies.

Before joining Stones River Group, Zoe built a distinguished career in public service and government affairs:
* Deputy Director, Tennessee District Attorneys General Conference, where she led legislative agenda development, managed agency budgeting, and coordinated with coalition partners to secure legislative outcomes.
* Director of Legislation, Tennessee Department of Children's Services, advancing policy priorities and legislative engagement for a major state agency.
* Assistant General Counsel and Legislative Liaison, Tennessee Bureau of Investigation, serving as the primary legislative contact and policy strategist for the agency
* Assistant District Attorney, where she prosecuted human trafficking cases and crimes against children and other vulnerable victims, grounding her advocacy in both legal acuity and deep personal commitment to public service.

She is known for her strong professional relationships with state officials and stakeholders across Tennessee and for translating complex policy and political dynamics into practical strategies that drive client success. Outside her professional work, Zoe serves on the board of Tennessee Voices for Victims, reflecting her ongoing commitment to public safety and community impact.

20+ years

Results-oriented Professional Lobbyist with a proven track record for ethical standards, enhancing clients standing, consistent record of positive outcomes for client -- whether the mission is to pass or defeat legislation. Successful at year-round representation and first-rate communication with elected officials. Demonstrated ability to build and lead lobbying teams or work alone. Critical thinker and strategies designed to put the best information before elected officials in the best possible package

0-5 years

Jason brings a unique mix of experience at the highest levels including public, private, and political. Jason comes to Ridge Policy from the Scott Wagner for Governor Campaign where Jason served as the Campaign Manager. Scott Wagner was the Republican nominee for Governor of Pennsylvania, not only securing the endorsement of the Republican Party of Pennsylvania but also defeating a well-funded primary opponent in a hotly contested primary campaign.

Prior to that role, Jason has twice served in the role of Chief of Staff to two Republican Pennsylvania State Senators, John H. Eichelberger, Jr. and Scott Wagner. In that role, Jason oversaw all office operations and staff, advised the Senators on policy, and worked with other offices and leadership to help to advance the goals of the Senators.

Jason's private sector experience includes serving as the Vice President of Tyrone-based data security firm Reclamere. Jason oversaw the entire operation of the company, was responsible for management of all personnel, worked directly with the three owners of the company to develop the company's strategic plan, and was the responsible staff-level person for executing that plan.

6-10 years

I have been recognized by the Nashville Post list of In-Charge: Government & Politics for 2019, 2020, 2021, and 2022

Our firm was recognized nationally by the Public Relations Society of America for our comprehensive public affairs campaign to bring Major League Soccer to Nashville

Mark Cate is the Founder and President of Stones River Group, a Nashville-based public affairs firm serving both Tennessee, regional and national clients. He formerly served as Tennessee Governor Bill Haslam's chief of staff, where he was his top advisor, strategist and negotiator.

During his tenure with the Haslam Administration, Mark led several legislative policy initiatives, including K-12 education reform, workers' compensation reform, civil service reform, an alternative approach to Medicaid expansion, and postsecondary education reform, including the nationally-acclaimed Tennessee Promise program.

Prior to serving in state government, Mark successfully managed Governor Haslam's first gubernatorial campaign in 2010, which led to a record-setting general election victory. He previously worked as an executive in real estate management and development and served for 16 years as a higher education leader. Over the course of his career, Mark has served as a chief development officer, chief planning officer, chief marketing officer, and as a chief financial officer - working on budgets ranging from $10 million to $30 billion.

Mark grew up in Maryville, TN and currently lives in Brentwood with his wife Cathy who serves as the Executive Director of Leadership Tennessee. He and Cathy have two daughters, Bailey who is a recent graduate at Rhodes College and currently serves as a fellow at the Crop Trust in Bonn, Germany; and Abbie who is rising junior at George Washington University.

Cate received a B.S from Carson-Newman College, an M.S from the University of Tennessee, and Harvard University's Institute for Educational Management certificate program. He's served on a wide variety of non-profit boards and was an elected member of the Maryville Board of Education.

Sean is a government affairs coordinator who focuses on federal policy issues in the Washington, D.C. office of K&L Gates.

He concentrates on federal budget and appropriations issues pertaining to defense, bio-defense, homeland security, energy, nanotechnology, manufacturing, transportation, agriculture, telecommunications, foreign aid, education and health care. In this capacity, he has assisted and advised a variety of clients on the annual budget and appropriations process, as well as matters pertaining to federal stimulus and deficit reduction.

Sean worked for Senator Barbara A. Mikulski for two and a half years prior to joining the firm

0-5 years

Led record-breaking candidate recruitment efforts in 2018 and 2020 for State House races; in 2018, the Georgia House Democratic Caucus challenged 56 Republican held seats. In 2020, the Georgia House Democratic Caucus challenged 66 Republican held seats. This was an exponential increase from previous years when Democrats only challenged 25 Republican held seats in 2014 and 21 Republican held seats in 2016.

Assumed the position of Executive Director with 62 Georgia House Democratic Caucus members, and in three short years, expanded the Caucus to 77 members.

Managed the 2018 Georgia House Democratic Caucus campaign operation for the most successful election night for Georgia Democrats since 1998.

Managed the 2020 Georgia House Democratic Caucus campaign operation where Georgia had the second-best election results for State House campaigns for Democrats in the nation.

Served as the Executive Director of the Georgia House Democratic Caucus.
Served on the Arab Americans for Biden Committee.
Served as the Co-Coordinator of the Georgia Victory Leadership Council for Georgia.

Falak Sabbak is an assistant vice president with McGuireWoods Consulting. With a decade of experience at the Georgia General Assembly, she maintains an incredibly diverse network of elected officials, political staff, and lobbyists throughout the state of Georgia.

Prior to joining McGuireWoods Consulting, Falak served as the Executive Director of the Georgia House Democratic Caucus. She managed the internal and external communications of the Caucus, prepared talking points on pending legislation, and counseled members during their decision-making process. Falak also managed the 2018 Caucus campaign operation that resulted in the most successful election night for Georgia Democrats since 1998. In three short years, Falak grew the House Democratic Caucus from 62 members to 77.

Falak began her career as a legislative aide, and later served as the Executive Assistant to the Minority Leader. From fielding constituent questions, to tracking and summarizing legislation, Falak gained a thorough understanding of the legislative process.

A native of Marietta, Georgia, Falak earned her Juris Doctorate from Georgia State University College of Law, and a Bachelor of Science in Psychology from the University of Georgia.

11-15 years

0-5 years

I have legislative experience in a variety of issues affecting the insurance industry and related sectors, including health insurance, property and casualty insurance and regulatory reform. Prior to joining Public Policy Partners, I was the Director of Government Relations for the Maryland Hospital Association. I also served as the Director of Government Relations for the Maryland Insurance Administration. I have a Juris Doctor from the University of Baltimore School of Law, a Masters of Business Administration from the University of Baltimore and a Bachelor's of Science from Salisbury University.

Julia Larkin joined Cornerstone Government Affairs in February 2020 with more than 12 years of legislative experience in the state of Illinois. In her role as vice president, Julia uses her skills to help clients in Illinois advance their advocacy goals. Prior to joining Cornerstone, Julia served as the director of advocacy and government relations at AMITA Health, one of the largest health systems in Illinois. During her time in this role, Julia represented the organization's mission with state and local officials and executive agency staff, while also creating and executing strategies to ensure specific policy goals were met.

Previously, Julia served as legislative coordinator to Speaker of the Illinois House Michael J. Madigan for 10 years, where she assisted in the development of a wide array of policy positions and legislative initiatives. Julia has also supported the Democratic Party of Illinois, where she led state representative campaigns, managed opposition research and oversaw state representative candidate recruitment efforts.

Julia received her Bachelor of Arts with a double major in political science and international studies from Loyola University in Chicago.

Mr. Valentine represents a wide variety of clients in a broad range of legislative, regulatory, administrative, litigation and government enforcement matters before the federal government. His clients include major corporations, trade associations and business coalitions. He has also represented a number of prominent individuals, including a federal judge in her personal capacity and the prime minister of a foreign government.

6-10 years

Stephen Susano is the Co-Founder and COO of Stones River Group, a Nashville-based public affairs firm serving both Tennessee, regional and national clients. He provides clients with strategic counsel on business opportunities and project management, regulatory matters, procurement, economic development, third-party engagement, and market positioning. Stephen leverages his lengthy private-sector experience and deep network of relationships with business leaders and key policymakers in state and local government across Tennessee to deliver solutions for clients in multiple industries.

Prior to Stones River Group, Stephen served as Executive Director of the Tennessee Business Partnership (TBP), an advocacy organization supported by many of the state's leading enterprises. He spearheaded its efforts to advance pro-business policies, including education and judicial reforms, to encourage job growth and economic development. In 2014, Stephen led the statewide "Vote Yes on 2" campaign in support of the Judicial Selection Amendment to the Tennessee constitution. Stephen built a broad coalition of business groups, trade associations, legal advocates and community leaders in favor of the amendment. This coalition's successful mobilization helped ensure the amendment was approved with overwhelming support, carrying 94 out of 95 counties in Tennessee

Prior to working in the public affairs space, Stephen had an extensive career in the financial services industry. He served in operating and business development roles for several investment advisers and asset management firms. He has consulted with and raised capital for both U.S. and foreign-based investment firms, and has negotiated distribution and trading agreements with multiple financial services companies. Through his work, Stephen navigated complex regulatory regimes in domestic and offshore jurisdictions

Stephen grew up in Knoxville, Tennessee and currently lives in Brentwood with his wife, Ana. He and Ana have four children. Stephen serves on the board of the Nashville Downtown Partnership.

6-10 years

Daniel Ritter is a partner in the Public Policy and Law practice group. Mr. Ritter spearheads the public policy innovation and sustainability, and the philanthropic sub-practice groups.

Mr. Ritter's clients include the major Washington, D.C. trade associations for nanotechnology, clean technology and renewable energy, neurotechnology, the U.S. commercial space industry, and clean water and sanitation technologies, in addition to a wide variety of U.S. and international companies in these fields. His philanthropic/nonprofit clients include a variety of non-governmental organizations focused on sustainable development in the developing world and in the United States.

Mr. Ritter works to improve public policy decision-making by bringing to bear the innovation and entrepreneurial expertise of the emerging technology sector and the experience of the philanthropic community in addressing fundamental social needs in sustainable development

He coordinates policy advocacy campaigns, advocates policy positions with federal legislators and administrative agencies, prepares legal and strategic policy analysis, and develops legislation and testimony for Congressional hearings. Mr. Ritter also has experience with the tax rules governing policy activities by the non-profit sector.

Based in Washington, D.C., Karishma Shah Page is a member of K&L Gates' Public Policy and Law Practice. Ms. Page concentrates her practice on federal legislative and regulatory policy, focusing on tax, financial services, health care, retirement, and employee benefits issues. Ms. Page has extensive experience working on a variety of legislation, such as the Tax Cuts and Jobs Act, the Protecting Americans from Tax Hikes Act, the Dodd-Frank Wall Street Reform and Consumer Protection Act, and the Affordable Care Act. She also works on related rulemaking and regulatory activity.
Ms. Page develops and implements a variety of advocacy strategies to advance client objectives, both from a Congressional and administrative perspective. In particular, she leads complex, multi-faceted policy campaigns incorporating lobbying, coalitions and third-party advocates, grassroots/grasstops strategies, and traditional and new media. Additionally, she has experience building, managing, and working with coalitions.

Ms. Page counsels clients with respect to the key legislative and regulatory developments that impact their operations. Ms. Page's clients include Fortune 500 companies, trade and member associations, and tax-exempt entities. Ms. Page also advises clients on the intersection between social responsibility initiatives and the policy debate.

Ms. Page works closely on issues involving the House Ways and Means Committee, Senate Finance Committee, House Financial Services Committee, Senate Banking Committee, House Education and the Workforce Committee, Senate Health, Education, Labor, and Pensions Committee, and Senate Aging Committee, as well as the Department of the Treasury, Internal Revenue Service, Department of Labor, and financial regulators.

0-5 years

0-5 years

Chris Gobble is a respected government affairs specialist with deep issue expertise and a broad base of policymaker and stakeholder relationships. He leverages his insights into the state General Assembly, Tennessee executive branch, and local governments to help SRG clients navigate complex political challenges and effectively advance meaningful policy solutions.

Prior to joining SRG, Chris served as senior director of public policy for the Chattanooga Area Chamber of Commerce, where he helped drive policy changes and facilitate government affairs efforts for 2,000 businesses representing over 180,000 employees. He also regularly and effectively collaborated with local, state, and federal elected officials to advance Chattanooga's status as a leader in education, workforce, and economic development.

Prior to Gobble's tenure in Chattanooga, he was the legislative and policy director for the Tennessee Department of Safety and Homeland Security. In this role, Gobble worked closely with Governor Bill Haslam's office and the state legislature to develop and implement a variety of public policy initiatives.

Originally from Bradley County, Chris earned a B.A. in Political Science and Communications from Lipscomb University. He and his wife Sarah live in Nashville.

Jeff Denham is a government affairs counselor in the firm's Washington, D.C. office. A member of the public policy and law practice group, he brings significant transportation and infrastructure policy, agriculture, natural resources, and energy experience to the firm.

He was elected to the U.S. House of Representatives where he served four terms, from 2010 to 2018, representing California's 10th and formerly 19th districts. He was a member of the Transportation and Infrastructure Committee, where he was the chairman of the Subcommittee on Railroads, Pipelines, and Hazardous Materials and the Subcommittee on Economic Development, Public Buildings and Emergency Management. He was also a member of the Agriculture, Natural Resources, and Veterans' Affairs Committees. During his eight years in Congress, Mr. Denham helped draft dozens of bills that were subsequently signed into law, such as the 2012 Veterans Skills to Jobs Act; the 2015 Fixing America's Surface Transportation (FAST) Act; the 2018 ENLIST Act; and Stafford Act revisions as a part of the 2013 Sandy Recovery Improvement Act.

From 2001 to 2009, before his election to the U.S. House of Representatives, he was a member of the California State Senate, representing the 12th District of California which encompassed the counties of Monterey, San Benito, Madera, Merced, and Stanislaus. He was chairman of the Agriculture Committee and Veterans' Affairs Committee and focused on issues that included education, government waste, agriculture, and economic development.

A Staff Sergeant in the United States Air Force, he served in Operation Desert Storm with the 452nd Air Force Refueling Wing and was awarded a Meritorious Service Medal, the Kuwait Liberation Medal, and various campaign medals for combat duty. Additionally, he served in Operation Restore Hope with the 349th AMW and was awarded a second Meritorious Service Medal and various campaign medals for duty.

Mr. Denham is the Founder of Denham Plastics LLC, a full-service provider of plastic material handling solutions, in addition to owning an almond farm in California.

15-20 years

0-5 years

Will Cousineau joined Cornerstone's Springfield, Illinois office in June 2017. Will comes to the firm after nearly 18 years working for Illinois House Speaker Michael J. Madigan, including eight years as political director for the Speaker and the Democratic Party of Illinois.
Will was the longest serving political director for Speaker Madigan and most recently served as senior advisor to the Speaker. Over the past 10 years, Will worked directly with Speaker Madigan to shape, develop and implement the strategy and messaging for the Speaker's legislative and political agenda and the agendas of every member of the House Democratic Caucus. He also developed the implementation of political, legislative and outreach strategies for House Democratic Caucus members and all aspects of the Illinois House's political operation.

During his time with the Speaker's office, Will was involved in the major initiatives that moved through the Legislature over the past ten years, including such legislation concerning utilities, conceal and carry, financial institutions, and civil laws. Additionally, Will was intimately involved in the 2010 drawing of legislative districts, including new districts in the suburban region that have helped House Democrats expand and maintain their majority. While many democratic legislative caucuses across the country lost record numbers of seats during his tenure and every legislative chamber in the Midwest outside Illinois became Republican controlled, Will guided the Illinois House caucus and the Democratic Party of Illinois through a period of expansion and maintained a healthy majority for Illinois House Democrats.

Will's long tenure with the House, experience with message development, crisis management, grassroots organizing and input on political campaigns for offices throughout the state, gives Will an ability to understand complex legislative and political problems, easily digest those issues for members and clients and put together a collaborative and detailed action plan for moving forward.

In 2014, Will and his wife, Macy, adopted three sisters from Latvia. This experience has shaped their family, has given them the opportunity to speak with others about adoption and has encouraged their family to assist others who are adopting children both internationally and domestically. In 2016, Will and Macy's family grew with the arrival of their son.

In his spare time, Will is active in his church and serves on the Board of Elders. Will currently resides in Chatham, IL with his wife and four children.

11-15 years

18 years representing Washington state in the United States Senate. Mr. Gorton's years in the Senate saw him appointed to powerful committee posts including Appropriations; Budget; Commerce, Science and Transportation; and Energy and Natural Resources. Mr. Gorton served as the chairman of the Interior Appropriations Subcommittee (1995-2001), the Commerce Subcommittees on Consumer Affairs (1995-99), and Aviation (1999-2000). He was a member of the Republican leadership as counsel to the majority leader (1996-2000).

Mr. Gorton began his political career in 1958 as a Washington state representative; he went on to serve as state House majority leader. In 1968, Mr. Gorton was elected attorney general of Washington state where he argued 14 cases before the United States Supreme Court. In June 1980, Mr. Gorton received the Wyman Award, the highest honor accorded by the National Association of Attorneys General.

Mr. Gorton also served on the president's Consumer Advisory Council (1975-77) and on the Washington State Criminal Justice Training Commission from 1969-1981. He was chairman of the Washington State Law & Justice Commission (1969-76), and served as an instructor in constitutional law to public administration graduate students at the University of Puget Sound (1977).

15-20 years