Chestnut Carbon strengthens leadership with a seasoned sustainability executive from JPMorgan Chase
New COO brings expertise in scaling corporate sustainability strategies and operational execution
Move aims to expand delivery of high-integrity, verifiable forest carbon offsets for industries targeting net zero
Chestnut Carbon has appointed Brian DiMarino as Chief Operating Officer, a move the company says will advance its mission to scale nature-based carbon removal solutions and strengthen its leadership bench.
DiMarino joins from JPMorgan Chase, where he served as Managing Director and Deputy Director of Global Sustainability, Strategy and Operations. He oversaw firmwide sustainability strategies, target setting, and corporate engagement, playing a central role in the bank’s push toward carbon neutrality, greenhouse gas abatement, and resource efficiency.
“I’m honored to step into this new role and excited to help drive real change at scale alongside the talented team at Chestnut Carbon,” DiMarino said. “I’m energized and eager to take on new challenges with a company that’s both passionate about delivering the highest-integrity nature-based carbon projects and purpose-built to get the job done.”

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Chestnut Carbon CEO Ben Dell added: “We are thrilled to welcome Brian to Chestnut Carbon. His proven track record in sustainability and operational leadership will be invaluable as we continue to grow and deliver verifiable, additional forest carbon offsets that help industries accelerate their path to net zero.”

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