Leadership
The people setting the direction

John Bennett, M.D.
Chairman & CEO
Founder and leader of Devon International Group, guiding strategy across the group's companies worldwide.
LinkedIn →
Dariusz G.
IT Manager
Manages information technology systems and infrastructure for DIG.
Contact leadership →Larry Wang, Ph.D.
VP of Procurement
Larry Wang is a senior executive with over 20 years of experience in global supply chain management, 18 years of expertise in sales and marketing for the energy equipment and healthcare industries, and 10 years of proven success leading and managing U.S. business operations.
Contact leadership →Jamie Summer
Battery Specialist
Jamie currently serves as Vice President of Devon Energy Solutions, overseeing supplier development, strategic sourcing, manufacturing relationships, and project execution for global energy infrastructure projects.
Contact leadership →Peter Belkin
Principal Engineer
Peter Belkin has worked every side of the interconnection process — inside the utility, inside the study, inside the protection scheme, and inside the design.
Contact leadership →David Belkin
Chief Strategy Officer
David Belkin is a principal of Grid Avec, the energy company whose leadership team partnered with The Devon International Group to form Devon Energy Solutions.
Contact leadership →Ryan Caverly
General Partner
Ryan Caverly serves as a General Partner at Dymaxion Partners, where he brings more than a decade of class action tort lobbying experience alongside deep expertise in energy procurement, telecom, and media operations. A serial entrepreneur and recognized business leader across Massachusetts and greater New England, Ryan serves as CEO of CRC Media Solutions and General Partner of Anomaly Energy. His operational track record spans public health screening programs, commercial real estate, and multi-sector business leadership — giving Dymaxion both the advocacy depth and operational versatility that complex environmental recovery demands.
Contact leadership →Thomas Pernice
Technical Sales Representative
As a Technical Sales Representative at Devon Energy Solutions, Thomas combines scientific insight with commercial expertise to deliver high-value industrial power projects. He manages client relationships and guides buyers through complex technical specifications, specializing in the sale and integration of high-efficiency turbines and energy storage solutions.
He holds a B.S. in Environmental Science from Syracuse University with a specialized focus on supply chain management and marketing. By pairing this rigorous scientific foundation with hands-on operational experience, Thomas acts as a trusted advisor, translating complex energy data into clear business solutions to help organizations meet their infrastructure goals.
Contact leadership →Joseph Kazutas
Joseph Kazutas is an entrepreneur and environmental industry veteran with nearly four decades of experience. His career has spanned waste management, environmental services, construction, manufacturing, and advanced waste technologies. Over the years, he has founded and developed numerous businesses and has become a recognized voice within the waste and environmental industries.
Contact leadership →Paul "PJ" Margeson
Principal Partner
Paul is an executive operator with proven success across grid technology, telecommunications, and legal risk management. He has spearheaded key efforts in the clean energy space, overseeing community solar programs, VPP integration, and emergency demand response initiatives designed to optimize grid reliability. Parallel to his energy footprint, Paul brings extensive experience managing telecommunications deployments and mass tort litigation operations, offering organizations a rare synthesis of technical execution and legal foresight.
Contact leadership →Aaron Arredondo
Principal, Oakwell Ag Services
Aaron is a business executive and entrepreneur specializing in distribution, procurement, and strategic business development. As a principal of Oakwell Distribution, he works with customers and manufacturing partners to develop cost-effective supply-chain and sourcing solutions, with a particular focus on the food production and agricultural sectors.
Contact leadership →Robert Devereaux
Dymaxion Partners Asset Recovery Advisor
Based in Pennsylvania, Rob is a strategic operator and advocate working at the intersection of property development, clean technology, and consumer rights. With specialized experience spanning real estate, residential solar systems, and mass tort litigation, Rob excels at translating complex legal and regulatory environments into clear, actionable strategies. Whether evaluating residential assets, guiding homeowners through renewable energy transitions, or supporting large-scale litigation initiatives, Rob relies on a sharp analytical approach, disciplined project management, and a dedicated commitment to protecting client interests.
Contact leadership →