Bonnie Berland has joined Stanford H. Odesky and Associates, Toledo, OH, as vice president.
James Ploog has been promoted to executive vice president at Madison, Wl-based Chamberlain Research Consultants.
David Leach has been named western region vice president of SRG International Ltd., based in White Plains, NY. Leach will work from the Los Angeles area.
Gene Topper has been named senior vice president of the Chicago-based Blackstone Group. Topper will oversee new business development and project management.
Karen Malecha and Don Koenig have joined Rockwood Research, St. Paul. Malecha joins the analysis group as senior project director; Koenig has been named spec writer in the firm's data processing department. The firm also has announced several promotions: Kathy Henry to administrative assistant; Lisa Morse to research consultant; Mark Sirek to special projects director; and Jodie Wehrspann to project director/editor.
lan McLagan has joined Los Angeles-based C.A. Walker and Associates Inc., as project manager. The firm also has announced the following promotions: Ian Cesa has been promoted from vice president to senior vice president; Al del Rosario has been promoted from vice president to senior vice president of operations; Billie Weinstein and Audrey Romero have been promoted from senior project director to vice president; and Samuel Weinstein has been promoted from director of The Telephone Center to vice president.