Jonathan I. Blackman is a senior counsel with Cleary Gottlieb. Jonathan joined the firm in 1977, became a partner in 1985, and became a senior counsel in 2020. From 1977 to 2009, he was resident in the New York office. Since then he has been resident in New York and London. His practice focuses on litigation, including international litigation and arbitration, banking, and insurance law. He has participated in numerous international arbitrations involving both public international law and complex commercial disputes, litigation involving the immunity of foreign states and their agencies under the U.S. Foreign Sovereign Immunities Act, and commercial litigation in a variety of U.S. federal and state courts. Jonathan joined the firm in 1977, became a partner in 1985, and became a senior counsel in 2020. From 1977 to 2009, he was resident in the New York office. Since then he has been resident in New York and London.