People: 3D Systems Corp (DDD)

Ms. Karen E. Welke is Independent Director of 3D Systems Corp. Currently retired, Ms. Welke held executive positions for 27 years at 3M Corporation where she last served as Group Vice President of its Medical Markets Group. During her tenure at 3M, she also had international experience, having served as Managing Director of 3M France for four years and previously as the European Healthcare Group Product Director headquartered in Brussels, Belgium. She served as a director of Millipore Corporation from 2002 until 2010, and chaired the compensation committee 2007-2010. She previously served as a director of Pentair, Inc. from 1995 until 2006, including 9 years as the Chair of the Audit Committee. Ms. Welke is also a director of Project HOPE, based in Millwood, Virginia.