Axcel Photonics Inc., a provider of high-power pump lasers for optical networks, recently appointed Everett S. McGinley, PhD, as CEO and Evan C. Sanders as vice president of sales, marketing and business development. . . . Paul R. Bibeau was named corporate vice president of marketing at Microsemi Corp., manufacturer of analog, mixed-signal and discrete semiconductors. Manuel Lynch, vice president of business development and marketing at Microsemi, has stepped down from his role to pursue other interests.