William Sullivan has been appointed CEO of global knowledge and e-business development for Chicago-based Jones Lang LaSalle, effective January 2001. His responsibilities will include overseeing the firm's e-business alliances and joint-venture initiatives. He also will direct all strategic investments in Internet companies and the latest technology platforms. Sullivan joined LaSalle in 1984 and has held various upper management positions, most recently as CFO.

In related LaSalle news, Peter Roberts will succeed Sullivan as CFO. His responsibilities will include overseeing all corporate finance, accounting, tax treasury, internal audit, investor relations and regional finance and accounting functions for the firm. Roberts joined LaSalle in 1986 and has held various management positions, most recently as co-president of tenant representation in the Americas.