0-5 years

6-10 years

Former Oklahoma State Representative 2014-2020

PhD in Sociology University of Oklahoma

8 yrs as political commentator on a weekly Sunday morning show in Oklahoma, Your Vote Counts, News9 KWTV

15-20 years

Steve Edwards worked at the White House for President George H.W. Bush, was Chief of Staff to U.S. Senator James Inhofe, and was Chairman of the Oklahoma Republican Party. He currently works in Oklahoma and with the state Attorneys General. Edwards is a lawyer with almost 35 years of experience at the Capitol and in Washington, D.C.

6-10 years

Matt Latham is a Partner at the 1907 Group, a strategic government affairs and lobbying firm based in Oklahoma City. Originally from Kingfisher, he studied political science at the University of Oklahoma and has built a career helping businesses and organizations navigate the intersection of policy, politics, and strategy across the state.

Matt is known for his relationship-driven approach, focusing on trust, collaboration, and practical solutions that achieve results for clients. Matt recognizes that authentic relationships - both with clients and stakeholders - are the foundation of effective advocacy.

Matt splits his time between Oklahoma City and Medicine Park, where he is deeply involved in local civic life and community projects in both communities. Outside of work, he is an avid sports fan following the University of Oklahoma, Oklahoma City Thunder, Swansea City and just about any sport he comes across. He and his better half, Cassi, enjoy travel and spending time outdoors with their dogs.

Mark Yates joined Cornerstone in July 2021 as a principal in the firm's Oklahoma City office. His experience in public policy includes working with various industries through statewide campaigns, legislative engagement, media relations, and public speaking. Mark has been successful navigating complex and challenging initiatives on behalf of the clean energy and agriculture industries.

Mark previously served as vice president at Advanced Power Alliance (APA) where he represented leading domestic and international companies in the renewable energy sector. While in this role, he managed the association's regional public policy strategy, communications strategy, and membership recruitment efforts. Mark served a major role in shaping legislative and regulatory policy within the most important energy region in the country.

Prior to APA, Mark worked at the Oklahoma Farm Bureau, where he led membership recruitment initiatives, mobilized a statewide grassroots campaign, and lobbied for rural issues on behalf of the nearly 90,000 farmers and ranchers.

Before his time with the Farm Bureau, Mark was a professional educator in the Oklahoma public school system for 11 years. Along with his teaching experience, Mark also had administrative experience serving as a federal programs director for Plainview Public Schools in Ardmore, OK.

Mark is a graduate of East Central University in Ada, OK and holds a bachelor's degree in History and master's in Secondary Administration. Mark and his wife Stacy reside in Edmond, OK where they are active in their community and have two children, Londyn and Steele.

Lauren McCay serves as a Senior Associate in Cornerstone's Oklahoma City office, assisting the firm's government relations team with client service activities including conducting research and providing updates on state legislative matters and diverse regulatory issues.

Lauren comes to Cornerstone from Lilly & Company where she led the firm's highly successful fundraising effort in Oklahoma as an Account Executive. She was responsible for executing numerous fundraisers and meeting fundraising goals for current federal legislators and those seeking office in the U.S House and Senate.

Before joining Lilly & Company, Lauren served as a Congressional Intern for Representative Stephanie Bice (R-OK) where she managed and answered constituent inquiries while also supporting staff by taking initiative on various district office projects and case work.

Lauren received her Bachelor of Science in political science from the University of Oklahoma.

0-5 years

Jamie Benda is an Associate Lobbyist with the 1907 Group, where she advocates on behalf of clients before the Oklahoma Legislature and state agencies. Since joining the firm in 2023, she has supported strategic policy initiatives and continued building relationships across state government. Prior to joining the 1907 Group, Jamie served as a professional staffer for the Majority Floor Leader of the Oklahoma House of Representatives, working closely with top legislative leaders and gaining firsthand experience in the policymaking process. Jamie brings a relationship-driven approach to advocacy - combining her experience inside the Capitol with a commitment to delivering results for clients.

Outside of her professional work, Jamie is an active volunteer with the Junior League of Oklahoma City, where she contributes to community initiatives that strengthen and support women and families. She also loves to travel and explore diverse cultures around the world. At home, she enjoys spending time with her three rescue dogs and her husband, who owns and operates two Oklahoma-based businesses.

Steven Barker joined Cornerstone as a Principal in our Oklahoma office in November 2025.

Prior to Cornerstone he served as Assistant Municipal Counselor for the City of Oklahoma City. In this role, he represented the city in eminent domain and land use matters, advised the City Manager's Office and Planning Department and supported key strategic initiatives, including securing a 25-year lease agreement with the Oklahoma City Thunder.

Previously, Steven served as General Counsel at Coop Ale Works, providing nationwide regulatory guidance to support product distribution. In this role, he managed all federal and state compliance, negotiated agreements with distributors and oversaw the company's licensing portfolio.

Earlier in his career, Steven worked with the Oklahoma Alcoholic Beverage Laws Enforcement Commission, where he held leadership roles as Deputy Director and General Counsel. He has also served as an Assistant Attorney General in the Oklahoma Attorney General's Office and as Assistant General Counsel with the Oklahoma Tax Commission. Steven currently serves as Chief Municipal Judge for the City of Warr Acres, where he presides over arraignment, juvenile and trial dockets.

Steven holds a Juris Doctor from Oklahoma City University School of Law and a Bachelor of Arts in Political Science from Pittsburg State University.

The TAG network consists of the top lobbying firms across the US, public affairs specialists in various countries and specialty services.

US Members:
50-States
DC Council
US Congress

International:
Profile Consulting (Aust) Pty Ltd (Australia)
Tactix (Canada)
Monarch Global Strategies (Mexico, Central & South America)
Kesarev (Russia, CIS, Central Asia, Central & Eastern Europe, Turkey & Israel)
Instinctif Partners (United Kingdom & the European Union)

Specialty members:
Five Corners Strategies (Grassroots Advocacy & Public Affairs)
FOCUS, a Leonine Business (50-State Legislative & Regulatory Tracking & Analysis)
Select Litigation (Jury Selection)
Bullpen, LLC (Market Entry Strategy)
The Virtuous Cycle Collaboratory (Social Enterprise Business Development)
Law Offices of Mitchell D. Gravo, Inc. (Specialty Member)

Brian Hackler joined Cornerstone in November 2020 as lead of the firm's flagship office in Oklahoma City. He spent over a decade working for Sen. Jim Inhofe (R-OK). The last five years he served as his Deputy Chief of Staff and State Director. In this role, Brian managed and directed staff in Oklahoma City, Tulsa, Enid, and McAlester. Prior to this role, Brian served as a field representative for Sen. Inhofe covering Southwest Oklahoma. As a field representative, Brian gave legislative updates to local communities and helped constituents navigate federal issues.

Before joining Sen. Inhofe's office, Brian served in the United States Marine Corps from 2003 to 2007, where he played a key role in developing and carrying out daily strategic operations, including combat patrols, safeguarding government facilities and gathering intelligence. Brian was deployed to Iraq in 2004 and 2005, where he successfully contributed to the training and organization of Coalition Iraqi forces.

Brian also serves on the Board of Trustees for the Oklahoma City National Memorial & Museum. He currently resides in Edmond, Oklahoma with his wife and four children. He received a Juris Doctorate from the Oklahoma City University School of Law and a Bachelor of Arts degree in philosophy from the University of Central Oklahoma.

RYAN KILPATRICK is a founding partner at AI. Prior to helping launch AI, Ryan was a partner at FKG Consulting. In his role at AI, Ryan Kilpatrick develops and implements public affairs strategies for clients at the state and municipal levels. Past projects include helping to pass a statewide cigarette tax increase, working to facilitate agreement between auto insurers and transportation network companies in Oklahoma, and efforts to modernize Oklahoma's alcohol laws. He also co-chairs the policy committee for the Oklahoma Turning Point Council, a group that seeks to improve health outcomes through community partnerships.Ryan previously worked on legislative and statewide campaigns and worked in Washington, DC for Congressman Tom Cole. Ryan graduated from Trinity University in San Antonio. His community involvement includes Leadership Oklahoma City's LOYAL Class X, the Downtown Club of OKC, Big Brothers Big Sisters and coaching volleyball for the Oklahoma City Police Athletic League. Ryan is an avid sports fan and longtime Oklahoma City Thunder season-ticket holder.