The San Diego Union-Tribune Knight Ridder/Tribune Business News
Aug. 14--DOUG LARSON has joined the Technology Assurance Group as regional vice president.
LILLIAN MAESTAS has been promoted to vice president of engineering services at Predicate Logic.
RALPH MARTINEZ has joined Schubach Aviation as a pilot.
VICAL has added Alain P. Rolland as vice president of product development and Thomas G. Evans as executive director of clinical research for infectious diseases.
RANDY E. KAY has been appointed chairman of the Trade Secrets Committee of the California State Bar's Intellectual Property Section. Kay is a partner in Gray Cary's …