Clarence Tse was appointed Executive Vice President and Business Head Semiconductors effective January 1, 2017. Mr. Tse has held various positions of increasing responsibility since Vishay's acquisition of Siliconix/Telefunken in 1998, including Senior Vice President, Diodes Division (2008-2016), Senior Vice President, Power Diodes Division (2002-2008) and Vice President, Finance and Administration Asia (1998-2001). Mr. Tse was first hired by Siliconix in 1985.