Cahill Gordon & Reindel LLP announced that C. Wallace DeWitt, most recently senior counsel to SEC Commissioner Michael S. Piwowar, has joined as counsel in its securities and regulatory enforcement practice. Working from the firm’s Washington, D.C., office, DeWitt will serve as a regulatory lawyer covering securities law and will handle transactional and enforcement matters. He has experience advising global financial institutions and foreign private issuers on U.S. securities and banking matters, as well as financial reform legislation, regulations and compliance.