Camarillo-based Power-One, a manufacturer of power supplies, said today that it has named Kevin Trosian as the firm's Vice President of Investor Relations. Trosian joins the company from Tower 12 Consulting, a consulting and financial advisory firm. He also has served at Wedbush Morgan Securities and Banc of America Securities, as both Senior Analyst and Vice President positions. Power-One is a publicly held manufacturer of power conversion and power supplies for the electronics and other industries.