Trish Maxson joins Jones Lang LaSalle as chief human resources officer April 2. Maxson will direct Jones Lang LaSalle's human resources strategies globally to ensure alignment with its strategic objectives, company values and recruitment and retention of top talent. Most recently, Maxson was vice president of human resources for research and development at Merck & Co. Before that, she held various senior positions at Rohm & Haas Co. Maxson has an M.A. in clinical psychology from the Fielding Graduate Institute, a Ph.D. in physical chemistry from the University of California, Berkeley and a B.S. in chemistry from Michigan State University.