LOURDES REYES has been appointed vice president of operations for Codina Group. Reyes, a 25-year Codina employee, will manage purchasing, human resources and facilities management for the real estate investment, development, construction and property management firm. Reyes previously served as vice president of administration.

DAVID KATZMAN is returning to Newmark as director of the firm's Long Island, N.Y., office. Katzman previously worked for Cushman & Wakefield for two years. A retail leasing and sales specialist, Katzman will be responsible for strengthening Newmark's suburban retail capabilities, as well as growing the Long Island office.

KATHERINE ROBERSON has been promoted to president of Combined Properties Inc. Roberson, who began her career at Combined Partners 13 years ago, most recently served as executive vice president of the firm.

WILLIAM J. TRUMBULL has joined The McShane Cos. as vice president. Formerly the deputy commissioner of the City of Chicago's department of planning and development, Trumbull will be responsible for the implementation of new real estate development and design/build construction opportunities in the Chicago metropolitan area.

ROBERT L. PRESSMAN has been named executive vice president of Studley's national retail division. The newly formed group will be headquartered in Los Angeles and New York. Prior to joining Studley, Pressman served as executive managing director of the retail management consulting group at Cushman & Wakefield.

CHRISTIAN DOMIN has joined GVA Williams as managing director. Domin formerly was vice president at CB Richard Ellis.