Sepaton, a Marlborough, Mass.-based data-protection company, promoted Mike Thompson to succeed Mike Worhach as president and CEO. The appointment is effective immediately. Worhach will remain Sepaton's board vice chairman.
Thompson previously was Sepaton's executive vice president of worldwide sales and marketing. He joined the company in that position in July 2010 from Marlborough-based Egenera, where he was president and CEO. Ages for Thompson and Worhach were unavailable at deadline.