Californian power semiconductor company Semitrex has appointed new management to run the company. A new board of directors with new president and CEO Harold Blomquist has been created along with a board of advisors, and existing key executives have been promoted to put in place an improved governance structure. Blomquist has experience at Inmos, GSI, AMI, ZMD, Tower, Morpho and Simtek. Jim Weaver, who has been with the company since its inception, remains chairman.