Milbank, Tweed, Hadley & McCloy has added John Williams as a partner. Williams was a partner at Allen & Overy, where he headed the U.S. derivatives practice. He focuses on transactional and regulatory work in derivatives matters.

Robert Martin has joined the White Plains office of Eckert Seamans Cherin & Mellott as a member in the mass tort and litigation groups. He was a solo practitioner.