OUR TEAM

The COEFFICIENT group is a Washington D.C. based strategic consulting practice that combines legal, government relations and corporate advisory services specializing in managing energy and environmental risks and Investments.


Tom Lawler

Tom has 20 years of experience in energy and environmental policy.  He ran Lawler Strategies, an advocacy firm; managed the Subcommittee on Clean Air and Nuclear Safety for the Environment and Public Works Committee for Senator Tom Carper (D-Delaware);  was Deputy Director of State-Federal Relations for Governor Mitt Romney (R-Massachusetts), and was Director of Public Policy for Natsource, a provider of asset management, origination, and advisory services in both global renewable energy markets and carbon emissions trading.


Cameron Prell

Cameron is a nationally-recognized climate change law and sustainable finance lawyer. He has been a thought leader for nearly 20 years on energy and environmental markets and efforts to green the financial system, helping clients manage their risks and invest in climate action opportunities.  Cameron has represented energy and natural resource companies, investment funds, project developers, fintech and crytopcurrency firms, trade groups and financial institutions.  He currently sits on the private advisory panel of the Climate Bonds Initiative and is a former board member of the Climate Markets and Investment Association.


Tom Hassenboehler

Tom Hassenboehler has been at the center of many of the major energy and environmental laws and debates of the last decade. He most recently served as the Chief Counsel for Energy and Environment at the U.S. House Committee on Energy and Commerce under Chairman Greg Walden (R-Oregon). He previously served as Chief Counsel for Energy under Chairman Fred Upton (R-Michigan) and Counsel for the Committee on Environment and Public Works under Jim Inhofe (R-Oklahoma). Between his time in the U.S. House and Senate, he worked in the private sector as the Vice President of Policy Development and Legislative Affairs for America’s Natural Gas Alliance.


Sean McGinnis

Sean draws on his expertise in finance, global investment fund services, and environmental consulting to advance the business case for sustainability. With a focus on public-private partnership solutions to environmental and infrastructure needs, he works closely alongside federal and state governments, NGOs, and the private sector to examine complex environmental challenges and provoke collaboration in a shared-solutions manner. Most recently, he was Director for The Horinko Group, working with former U.S. EPA Acting Administrator Marianne Horinko. Sean’s policy expertise spans the water-energy-land use nexus and includes infrastructure and sustainable finance, water-energy resources development and stewardship, land revitalization and redevelopment, and market-based solutions.


Strategic Advisors