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John M. Eustermann

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John Eustermann brings to Gordon Rees Scully Mansukhani a career that few energy lawyers can match: three decades of deal-making across the full clean-energy spectrum, on both sides of the table, long before renewable energy became a household term. As a partner at a nationally recognized firm, he led a Renewable Energy Practice Group and built an impressive book of business advising developers, suppliers, off-takers, and financiers on projects ranging from waste-to-energy and biomass to solar, wind, geothermal, and nuclear. He then spent more than a decade as an inaugural General Counsel for a series of venture- and private equity-backed clean-energy and sustainable agriculture companies, giving him an insider’s understanding of how deals are executed and what clients need from outside counsel.

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That dual vantage point, law firm partner and serial in-house GC, sets John apart. He understands what keeps general counsel up at night, how to build a legal department from the ground up, and how to close transactions efficiently and on budget. John delivers pragmatic, commercially grounded counsel.

John is also a co-founder of two companies, a U.S. patent holder (US 12,431,227 B2), and a prolific author and speaker whose articles on project finance, construction risk, feedstock supply, and renewable energy development have appeared in Biomass Magazine, Industrial Biotechnology, and Bioenergy Canada, among others.

John holds bar memberships in California, Oregon, and Washington and is completing a professional certification in Generative AI for the Legal Profession from UC Berkeley, reflecting his commitment to delivering cutting-edge counsel in a rapidly evolving landscape.