Sven Wehrwein has served as a director since July 2008. Mr. Wehrwein has been an independent financial consultant to emerging companies since 1999. During his 35-plus years in accounting and finance, Mr. Wehrwein has experience as a certified public accountant (inactive), investment banker to emerging growth companies, chief financial officer, and audit committee chair. He currently serves on the board of directors of Atricure, Inc., a publicly traded medical device company, and Proto Labs, Inc., a publicly traded internet-enabled manufacturer of custom parts. Mr. Wehrwein also served on the board of directors of Compellent Technologies, Inc. from 2007 until its acquisition by Dell Inc. in 2011, on the board of Vital Images, Inc. from 1997 until its acquisition by Toshiba Medical in 2011, on the board of Synovis Life Technologies, Inc. from 2004 until its acquisition by Baxter International, Inc. in 2012, on the board of Cogentix Medical, Inc. from 2006 to 2016, and on the board of Image Sensing Systems, Inc. from 2006 to 2012, all of which were publicly traded companies.