Leadership Change at Data-Design: Data-Design Laboratories Inc.,...

Leadership Change at Data-Design: Data-Design Laboratories Inc., a computer circuit board manufacturer, said William E. Cook will succeed Thomas C. Beiseker as president and chief executive. Beiseker, who came out of retirement to lead the Anaheim company after M. Peter Thomas resigned earlier this year, resigned as president, chief executive and a company director. Cook has been a special partner of TBM Associates, a venture capital firm. Before that, he was president and chief executive of Signal Technology Corp., a manufacturer of electronic components and subsystems, for nine years.