Hiscock & Barclay (Syracuse, N.Y.): Yvonne Hennessey joins the firm’s energy and environmental practice areas as partner in the Albany, N.Y., office and will focus on representing clients in the oil and gas sector on a variety of issues including legislation, well permitting and project siting. Previously, Hennessey was a partner and chairwoman of the regulation and litigation practice at The West Firm.

Milbank, Tweed, Hadley & McCloy (New York): Carlos Albarracín joins the firm’s global securities group as partner and will focus on advising clients on Latin American transactional matters in the energy and transportation industries. Previously, Albarracín was a partner at Chadbourne & Parke.