SAN JOSE — Tessera Technologies promoted Michael Bereziuk to chief operating officer, responsible for the company's packaging, interconnect, and consumer optics businesses, including R&D, marketing and sales. He had been Tessera's executive vice president, product division since joining the company in February 2006.

Bereziuk spent the majority of his career at National Semiconductor, where he held numerous senior operations, sales and marketing roles. In his most recent position at National, he was senior vice president and general manager of the worldwide sales and marketing organization.