Tremont Strategies Group is a leading, bipartisan public affairs firm, comprised of only senior level consultants, led by nationally known experts in the fields of public policy, and issue advocacy and strategic communications. 

Chet Atkins

Chet Atkins has decades of experience providing public policy advice to corporations, nonprofits, and other private stakeholders, in addition to more than 20 years in public service himself. Chet was the youngest member to have been elected to the Massachusetts House of Representatives when he was elected in 1970. Two years later, Chet was elected to the Massachusetts State Senate, where he chaired the Ways and Means Committee, leading reforms still in place today that modernized the state’s budgeting process. In 1984 Chet was elected to the U.S. House of Representatives, representing the 5th District of Massachusetts. While in Congress, Chet served as a Member of the House Appropriations, Foreign Affairs, Ethics, and Budget Committee, until his retirement from elective office in 1994. Upon retirement from Congress, Chet founded ADS Ventures, a state and federal boutique government affairs shop.

Michael Bergan

Michael Bergan is a veteran public affairs professional with  fifteen years of senior leadership experience in managing complex state and federal issue advocacy campaigns. Michael's previous experience includes running external affairs for a leading healthcare organization where he managed government affairs, communications and business development. Michael was also a Founder and Principal at one of Massachusetts' premier state lobbying firms.  Prior to that, Michael served as Executive Vice President at a multi-state and federal healthcare public affairs firm.  His career began as an aide in the Maine State Senate and later as an advisor to multiple state and Congressional campaigns. Michael was one of the two co-founders of Beacon Strategies Group, a leading state government relations firm that later merged with ADS to become Tremont Strategies Group.

Michael Morris

Michael Morris has a career that spans 20 years in government and public policy. ​Prior to founding Tremont Strategies, Morris served as the Director of Government Affairs for Governor Deval Patrick, where he developed and implemented the political and legislative strategy for the Governor's public policy priorities. He successfully led the efforts to lobby for transportation reform, healthcare cost containment and the creation of the Clean Energy Center and the Massachusetts Life Sciences Center.  Morris had previously served for four years as the Government Affairs Director for the office of the Massachusetts State Treasurer where he led intergovernmental relations for the Treasurer, advocated for legislative and budget priorities, and worked with local officials on municipal funding projects. Most recently, Morris served as Director of Public Affairs for the Massachusetts Water and Resources Authority, the public authority responsible for providing water and treatment services to 2.5 million people in 61 communities. Earlier in his career, Morris served as Assistant Deputy Superintendent of Administration and Finance for Norfolk County Sheriff, Michael G. Bellotti. 

Liesl Sheehan

Liesl has over ten years of experience in the government and public affairs arena, with a specialty in strategy, management, and execution of federal and multi-state affairs for clients ranging from major, publically traded companies to start-ups and local non-profits. Prior to the founding of Tremont Strategies Group, Liesl was with ADS Ventures for nearly a decade, most recently serving as the firm’s President, where she oversaw and grew the federal practice and started a multi-state practice. Liesl previously worked for Heineken USA, helping to advance corporate social responsibility initiatives and monitor state and federal legislation that might impact the company. Prior to that, Liesl worked for a Washington, DC government relations and communications firm.  She started her career in the district and Washington, D.C. offices of former Congressman Bill Delahunt (D-MA), and later worked for the Mellman Group, conducting public opinion research and polling for political campaigns and non-profits.

Steve Byrne
Vice President

Steven Byrne has nearly 10 years of experience working in State and Local Government, having served as a Government Relations professional, Chief of Staff in the Massachusetts House of Representatives, and elected member of the Board of Selectmen in Arlington.  Before joining TSG, Byrne served as a Government Relations Specialist for the Metropolitan Area Planning Council, the regional planning agency for the 101 cities and towns in the Metropolitan Boston Region. Prior to his work at MAPC, Byrne spent several years working for Representative Mark J. Cusack, first as his legislative aide and later as his Chief of Staff. In that role, Byrne managed the Representative’s legislative and budget priorities and assisted in the development of the scope of work for House Committee on Technology and Intergovernmental Affairs.  Byrne has a Master’s Degree in Urban and Regional Policy from Northeastern University and received his Bachelor’s Degree in Government from Connecticut College.

George Gomes
Vice President

George is Vice President and Director of Research and Policy at Tremont Strategies. In this role, George leads all research efforts and oversees a team that works to support public policy development for clients at both the state and federal levels, through a combination of research and strategic analysis. George supports efforts to identify new opportunities for clients, analyze statutory and regulatory changes of interest to clients, and assist with drafting legislation and regulatory comments.

Prior to joining TSG, George worked at ADS Ventures as both the Director of Research and a former participant in the Northeastern University Cooperative Education Program. George's previous experience also includes working as a research analyst for renowned terrorism expert Dr. Jessica Stern.

Caroline Ferguson
Government Affairs Associate

Caroline Ferguson is a Government Affairs Associate with Tremont Strategies Group and is responsible for critical policy and research related projects on behalf of the firm’s Partners and clients.  Prior to joining Tremont Strategies Group, Caroline served as Manager of Research and Communications for the Maine Department of Health and Human Services. In this capacity, Caroline served as a spokesperson for the Department while concurrently managing research, handling internal and external communications, and assisting in the development of the Department’s policy and legislative initiatives.


Caroline graduated from Colby College in Maine where she studied philosophy and economics and served as a four-year member of the Women’s Field Hockey team.  She is certified in Project Management Training and has received training from the National Association of Government Communicators School.  

James Hoyte, Esq.
Senior Advisor

Jamie Hoyte is the former Massachusetts Secretary of Environmental Affairs and a recently retired senior administrator and lecturer in environmental policy at Harvard University.  As Secretary, Hoyte was responsible for the management and oversight of environmental programs and conservation policies for the Commonwealth. In this role, Hoyte was also the founding Chairman of the Board of the Mass Water Resources Authority, overseeing the agency during the planning and design of the Boston Harbor Clean-Up project, as well as the initial planning for a program to augment the drinking water supply of Eastern Massachusetts. Hoyte also served as Secretary-Treasurer and Director of Administration and Finance for the Massachusetts Port Authority (Massport) from 1976 to 1979.  An attorney, he was a partner at Choate, Hall & Stewart and is a member of various state and national bar associations.  He is currently member of the Board of Trustees for Massachusetts Environmental Trust, the Union of Concerned Scientists, the Posse Foundation, The Trust for Public Land, Wheaton College, and the Museum of Afro-American History. Hoyte received his A.B. degree Cum Laude in Government from Harvard College and J.D. from Harvard Law School.

David Garriepy
Vice President

David Garriepy is a Vice President with Tremont Strategies Group, focused on federal and multistate work on behalf of our clients. Prior to joining TSG, Garriepy was the Director of State-Federal Relations for of Massachusetts Governor Charlie Baker, serving as primary federal liaison for the state and administration offices. David also served as liaison to the National Governors Association, Republican Governors Public Policy Committee and the Coalition of Northeastern Governors. David additionally has extensive experience in association advocacy, having previously held state government affairs positions for the Association of Global Automakers, the Toy Industry Association (TIA), and the Retail Leaders Industry Association (RILA).  David had previously served as Deputy Legislative Director for the Massachusetts House Minority Leader, Legislative Aide for Governor Mitt Romney and aide on Lt. Governor Kerry Healy’s Gubernatorial Campaign.

Savannah Kelleher
Vice President

Savannah has a decade of experience managing state government relations and public policy advocacy for both corporate and not-for-profit clients, with a specialty in Massachusetts health and human services issues impacting children and vulnerable adults. Savannah previously worked on the State and Federal Government Affairs teams at DISH Network, where she was responsible for educating Members of Congress, state legislators, and their staffs on issues relevant to the company and the Pay-TV industry. Before joining the Government Affairs team, Savannah served as a paralegal on the Mergers, Acquisitions, and Corporate Governance team at the DISH headquarters in Denver, CO.  Savannah is on the Board of Directors for Sibling Connections and is on the Advisory Board of the Jewish Family & Children's Service of Greater Boston.  She has a degree in Political Science from Purdue University.

Tristan Thomas 
Government Affairs Assistant

Tristan is a Government Affairs Assistant at Tremont Strategies Group. In this role, Tristan manages client relations, policy research and communications. In addition to providing organizational assistance, Tristan prepares reports, drafts memos, and conducts research for the firm’s Partners and clients.


Prior to joining TSG full time, Tristan completed his degree in Philosophy, Politics, and Economics with a concentration in Political Philosophy at Northeastern University. Tristan first joined the TSG team as a participant in Northeastern University’s Cooperative Education Program.

Leander J. Foley
Senior Advisor

For more than 30 years, Lee Foley has worked as one of Washington’s foremost counselors on policy and legislative advocacy. Lee advises clients and represents various interests before the U.S. Congress and the Executive Branch of the federal government in issue areas including elementary, secondary, and post-secondary education, employment and training, employment security, community and economic development, financial services, small business development, older Americans, rural and agricultural programs, and appropriate technology. Lee also has extensive business experience in banking and financial services as a founder and member the boards of directors of financial institutions serving five major US metropolitan areas.

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