John D. Renneisen

O’Melveny & Myers LLP

John Renneisen has provided legal advice on environmental issues in the context of mergers and acquisitions, debt and equity financing, and compliance counseling for over 30 years. His practice spans the spectrum of environmental matters at the federal, state, and local levels, including transactional due diligence and contract negotiation, hazardous waste management, hazardous site remediation, water pollution, air pollution, and toxic substance regulation. John also conducts property and compliance diligence, drafts and negotiates transaction agreements, and monitors project progress in connection with asset purchases, underwritings, securitizations, leases, and sale-leaseback transactions.

Drawing on his deep technical background and knowledge of environmental law, John, who has a Masters of Science in Engineering from MIT as well as a JD from Duke, helps clients identify problems and craft effective solutions. On transactional matters, he remains focused on the overall size and structure of the deal in order to help resolve material Issues in the most efficient manner. John represents institutional and private equity investors with interests and portfolio companies in a range of industries, including oil and gas exploration and production and renewable electricity generation. In addition to his work in conventional and alternative energy, he has experience in pharmaceuticals, biotechnology and other industrial, manufacturing and commercial sectors.