Our Team

Our Team

Chaberton Energy Our Team

Our Team


Chaberton Energy Our Team




Chaberton Energy develops sustainable infrastructure and renewable projects, with a primary focus on distributed energy generation and community solar projects. 

Our Team

Solar Energy


Reason Abajuo

Director, Legal & Corporate Affairs
  • 6+ years of energy sector legal experience
  • Leads all legal business matters at Chaberton Energy
  • Advised on over 100 MW of projects across various countries in sub-Saharan Africa
  • Supported development and acquisition transactions resulting in successful implementation of over 30 MW of solar projects at Safari Energy
  • LL.M. from Harvard Law School; LL.B. from Abia State University (Nigeria); admitted to practice law in the State of New York and in Nigeria

Mike Biggins

Manager, Development
  • 10+ years of energy sector experience, specializing in commercial contracts and title
  • Leads project origination and development activities at Chaberton Energy
  • Previous experience at East Resources, Shell, and Apex Energy
  • Played key roles in various large-value A&D and JV projects
  • M.S. from Geneva College; B.A. from Thiel College

Ryan Boswell

Manager, Development
  • 10+ years of experience in renewable energy and energy performance
  • Leads development activities in Maryland and Delaware at Chaberton
  • Previous leadership experience within the Clinton Climate Initiative
  • B.S. in Chemistry from the University of Arkansas
  • Candidate 2022 — Master of Energy Regulation and Law — Vermont Law School

Vasavi Devineni

Development Engineer
  • 5 years of experience in electrical engineering and procurement
  • Leads project development activities in New Mexico
  • M.S. in Electrical Engineering from Missouri University of Science and Technology, Rolla, MO.

Michael Doniger

Chief Operations Officer
  • 20 years of experience in engineering, development, and operations
  • Leads technical and operational aspects of the business at Chaberton Energy
  • Start-up to first-of-its-kind renewable solid fuel MLP, which grew to $1B+
  • Led largest Amazon non-sort fulfillment center
  • Previously nuclear submarine chief engineer for U.S. Navy
  • MBA from Georgetown University; B.S. in Engineering from U.S. Naval Academy

Senake Gajamera

Chief Financial Officer
  • 18 years of energy sector finance experience
  • Leads partnership development and finance at Chaberton Energy
  • Previously head of Investment Advisory for ENGIE (Latin America)
  • Played an instrumental role in growing wind & solar footprint to 1.7 GW at Engie
  • Closed transactions in the energy industry worth over $20 billion
  • B.A. from Middlebury College; M.A. from Johns Hopkins University

John Gnesda

Senior Development Engineer

Mayra Iglesias

Associate, Community Engagement

Angelica Johnson

Manager, Business Operations
  • 6+ years of experience in business and project management
  • Leads daily business operations, social media presence, company culture initiatives, and oversees HR policies
  • Supports solar development activities, community outreach, and marketing endeavors
  • MBA from the University of Tennessee: Knoxville; B.A. in Cognitive Neuroscience and Psychology from the University of Virginia

Yuvraj Kshirsagar

Associate Manager, Development
  • 5+ years of experience in renewable energy (solar, battery storage – BESS, small wind)
  • Leads and advances development of projects at Chaberton Energy
  • Previous leadership experience in EPC, Developer, Integrators & Start-ups
  • MBA from Hult International Business School; Electronics Engineering from University of Pune
    Candidate 2022 – Exec. Master of Data Analytics, New England College

Mike McGehee

Manager, Development
  • 20+ years of energy sector experience, including solar energy and nuclear power
  • Leads land origination and development activities at Chaberton Energy
  • Previously nuclear submarine officer for U.S. Navy, still serving as Navy Reservist
  • Played key role in development of advanced tactical Submarine Officer Training curriculum
  • MBA from the University of Connecticut; B.A. in Geology from University of California at Berkeley

John Lennon Miller

Director, Development
  • 10+ years of experience in the solar energy industry, including residential, commercial, industrial, remote net metering, and community solar projects
  • Leads origination activities with a focus on Power Purchase Agreement negotiation & execution
  • Has led all facets of project development which directly resulted in the successful implementation of over 40MW of completed solar projects
  • Previous leadership positions at ReneSola Power Holdings & Clean Energy Collective
  • B.A in Political Science from The College of New Jersey with a concentration in Law, Politics, & Philosophy

Kate Potapova

Associate Manager, Development
  • 2+ years of experience in engineering and project management
  • Leads development activities in Virginia at Chaberton Energy
  • Assisted in managing over $100M LEED Silver construction job in DC
  • B.S. from Alcorn State University; M.S. in Mechanical Engineering from The Catholic University of America

Stefano Ratti

Chief Executive Officer
  • 20 years of experience in the energy industry
  • Leads greenfield development activities and the overall Chaberton Energy business
  • Developed over ~$1 billion in renewable fuel and solar energy assets
  • Previously hired and led greenfield development teams
  • Held management positions at Enviva, Areva, and Boston Consulting Group
  • B.S. and M.S. in Energy Engineering from Politecnico di Milano

Keith Walker

Manager, Development
  • 20 years of experience in software, systems and test engineering
  • Leads project-based and land origination activities at Chaberton Energy
  • Previous experience at Lockheed Martin, Unisys, Air Force, DHHS, FDA
  • Played key role in several business process improvement projects, including aircraft testing and development, and optimization of government archives
  • B.S. in Electrical Engineering from University of California; M.S. from University of Maryland

Chuck Watkins

Director, Development
  • 10+ years of energy sector experience, including solar energy and energy efficiency
  • Leads project origination and development activities at Chaberton Energy
  • Led many award-winning community solar projects and has special expertise in developing community solar for low-income customers, multi-family housing, government, and education institutions
  • Previously developer at LCAST and Executive Director at Grid Alternatives
  • B.S. from Auburn University

Keith Yuhas

Director, Accounting
  • 20+ years of experience in the renewable energy sector
  • Leads all accounting activities at Chaberton Energy
  • Previously Vice President of Accounting and Finance at Standard Solar
  • Assisted in developing over $500M of operational solar assets at Standard Solar
  • B.S. in accounting from Clemson University

Experience You Can Trust

Our team boasts 125+ years of combined experience in the energy industry. We are professional, competent, and collaborative in our work.

Average Years of Team Member +Professional+ Experience
Solar Projects Completed
$0+ bn
Value of Development Projects