Patricia M. Hollister has been a director since 2004. She was Director of Finance for TEL FSI, Inc. (now TEL Manufacturing and Engineering of America, Inc., or TMEA ) until retiring in 2016. TMEA designs, manufactures, markets, and supports equipment used in the fabrication of microelectronics. Ms. Hollister served as chief financial officer of FSI International Inc. ( FSI ) from 1998 until it was acquired by TEL in 2012. FSI was publicly traded until it was acquired. Prior to joining FSI in 1995, Ms. Hollister was employed by KPMG LLP, where she served for more than 12 years on various audit and consulting engagements, most recently as a Senior Manager. Ms. Hollister holds a B.S. in Accounting from St. Cloud State University. Her experience in the semiconductor industry, her experience as an executive officer of a publicly traded company, her experience with audits of publicly traded companies, and her educational background in accounting qualify her to serve as a director and Audit Committee chair.