FSI International, a manufacturer of surface conditioning equipment for microelectronics manufacturing, has appointed Stan Yarbro to its board of directors. Yarbro's term will continue until the company's 2013 shareholders meeting. His appointment fills the position that was vacated upon Willem Maris' unexpected death in December 2010.

Yarbro is currently executive vice president, worldwide field operations for Varian Semiconductor Equipment Associates. Prior to joining Varian in 2004, Yarbro was the group vice president, worldwide field operations at KLA-Tencor Corporation (KLA), a company he joined in 1997.