3D Systems Board of Directors

Abe N. Reichental

Abe Reichental has been President and CEO of 3D Systems for more than five years. He is also a director of Finetooth Enterprises, Inc. d/b/a Mumboe. He became the President and CEO of the Company in September 2003. Previously, for more than five years, Abe served in various executive management positions with Sealed Air Corporation, a global manufacturer of protective, specialty and food packaging materials, most recently serving as Vice President and General Manager of Sealed Air’s Shrink packaging Division from May 2001 until September 2003 and previously as Vice President Asia-Pacific. Abe was appointed President and CEO as well as a director in 2003. Mr. Reichental provides leadership to the Company reflecting almost 30 years of business leadership both in the United States as well as in various other countries.

Charles W. Hull

Executive Vice President and Chief Technology Officer of the Company. He has served as a director and in various executive positions with us for more than five years. He is a founder of the Company and has served as Chief Technology Officer since 1997 and as Executive Vice President since 2000. He has also previously served in various other of our executive capacities, including Chief Executive Officer, Vice Chairman of the Board of Directors and President and Chief Operating Officer. One of our founders and a director since 1993, Mr. Hull brings to the Board a broad understanding of the technologies of our industry as well as a wide-ranging historical perspective on our strategy and growth.

Daniel S. Van Riper

Mr. Van Riper is an independent financial consultant and from January 2002 to June 2005 was Special Advisor to Sealed Air Corporation. Previously, he was Senior Vice President and Chief Financial Officer of that company. He is a director of Hubbell Incorporated, a manufacturer of electrical and electronics products. He previously served as a director of DOV Pharmaceutical, Inc., a biopharmaceutical company, until 2008 and New Brunswick Scientific Co., Inc., a manufacturer of biotechnology equipment, until 2007 and was Senior Vice President and Chief Financial Officer of Sealed Air Corporation between July 1998 and January 2002. Prior to July 1998, he was a partner of KPMG LLP, a public accounting firm, for more than 25 years. First elected a director in 2004, Mr. Van Riper brings to our company extensive experience in public accounting and finance as well as in operations and executive management.

G. Walter Loewenbaum, II

Chairman of the Board of Directors. Mr. Loewenbaum is the Chairman of Finetooth Enterprises, Inc. d/b/a Mumboe (formerly STI Healthcare, Inc.), a software developer that develops and hosts contract management applications. Until 2004, he was a director, and for a time Managing Director, of LeCorgne Loewenbaum LLC, an investment banking firm. Previously, he served as Chairman and Chief Executive Officer of Loewenbaum & Company (formerly Southcoast Capital Corp.), an investment banking and investment management firm that he founded. Mr. Loewenbaum also serves as the Chairman of the Board of Luminex Corporation, a manufacturer of laboratory testing equipment. Chairman of our Board of Directors since 1999, Mr. Loewenbaum brings to our Board wide experience in operations, finance and executive management and, as a major stockholder, perspective on strategy and growth for the benefit of our stockholders.

Jim D. Kever

Mr. Kever has been a Principal in Voyent Partners, LLC, a venture capital firm, since 2001. He is also a director of Luminex Corporation, a manufacturer of laboratory testing equipment, Tyson Foods, Inc., an integrated processor of food products, and Emdeon Business Services LLC and EBS Master, a provider of healthcare revenue and payment cycle solutions. He previously served as a director of Transaction Systems Architects, Inc., a supplier of electronic payment software products and network integration solutions until 2007 and as the President and Co-Chief Executive Officer of the Transaction Services Division of WebMD Corporation (formerly Envoy Corporation), an internet healthcare services company, from 1995 to 2001, and prior to 1995 he served as Envoy Corporation’s Executive Vice President, Secretary and General Counsel. A director since 1996, Mr. Kever brings to our Board wide experience in operations, finance and executive management.

Karen E. Welke

Ms. Welke held executive positions for more than 25 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 significant 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 July 2010, when Millipore was merged with Merck KGaA. 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. First elected a director in 2008, Ms. Welke has extensive executive, financial and operating experience in both the United States and Europe.

Kevin S. Moore

Mr. Moore has been with The Clark Estates, Inc., a private investment firm, for more than ten years, where he is currently President and a director. He is also a director of Aspect Resources LLC, The Clark Foundation and the National Baseball Hall of Fame & Museum, Inc. He previously served as a director of Cyberonics, Inc., a manufacturer of implantable medical devices, until 2006. A director since 1999, Mr. Moore brings to our Board wide experience in operations, finance and executive management and, as a major beneficial owner of our Common Stock, perspective on strategy and growth for the benefit of our stockholders.

William E. Curran

Mr. Curran served as non-executive Chairman and Director of Resonant Medical, an early-stage privately owned company specializing in three-dimensional ultrasound image-guided adaptive radio therapy products, until May 2010 at which time Resonant was sold to Elekta A.B. He also served until May 2009 as a director of Ventracor, a global medical device company which produced an implantable blood pump, at which time the directors brought in an administrator under Australian law. For more than five years prior to 2004, he held diverse functional and senior management positions with Philips Electronics and Philips Medical Systems. His experience at Philips Medical Systems, a medical device manufacturer, included positions as Chief Operating Officer and Chief Financial Officer, and while at Philips Electronics North America he served as President and Chief Executive Officer as well as Chief Financial Officer. First elected a director in 2008, Mr. Curran brings to the Board wide experience in operations, finance and executive management both in the United States and abroad.