Vicki Holt has been President and Chief Executive Officer at Proto Labs since February 2014. Prior to joining Proto Labs, Holt served as President and Chief Executive Officer of Spartech Corporation, a leading producer of plastic sheet, compounds and packaging products, from September 2010 until Spartech was purchased by PolyOne Corporation in march 2013. Prior to Spartech, Holt worked at PPG Industries, a leading coatings and specialty products company, serving as Senior Vice President, Glass and Fiber Glass, from May 2005 until September 2010. Holt is also member of the board of directors of Waste Management, Inc. Holt’s leadership, strategic planning, operational and international experience provide valuable insights to Proto Labs’ board of directors. As CEO, she also is responsible for determining strategy, articulating priorities, and managing continued growth.