He is Co-Head of A&O Shearman’s Environment & Climate Law Group and the Firm’s International Trade Group, an elected member of the Firm’s Board (now serving a second term), and Chair of the Firm’s Risk Committee. His directory rankings reflect his prominence, including Chambers USA (Ranked Band 1), The Legal 500 (“Hall of Fame”), The Legal 500 Green Guide (“Green Ambassador”), and Lexology (“Thought Leader”).
He is uniquely experienced helping corporates, financial institutions, investment funds, multilateral organizations, and NGOs manage risk and exploit opportunity in the context of transactions, compliance, and disputes. Particular areas of expertise include environmental & climate risk, sanctions, foreign direct investment (CFIUS & the U.S. Outbound Investment Security Program), export controls, supply chain sustainability, emission trading, supply chain sustainability, and public reporting and disclosure. His sector expertise is deep and broad, ranging from tech & AI, financial services, and consumer products - to manufacturing, infrastructure, and transportation - to energy, chemicals, mining and defense. Clients describe him as “…one of a kind,” “a sharp, diligent and savvy lawyer,” and a “unique Swiss army knife” who has a “breadth of experience [and] great judgment.”
Ken has been a Lecturer-in-Law at Columbia University School of Law for over 20 years and is the former Chair of the New York City Bar Committee on International Environmental Law. He serves and has served on numerous boards, including as a current Trustee and former Board President for the Human Needs Food Pantry, Inc., former Chair of the Advisory Council for the Institute at Brown (University) for Environment & Society, and as a former board member for Pure Earth.
