Board of Directors

Avi N. Reichental

Avi Reichental has been the President and Chief Executive Officer and Director of 3D Systems since September 2003. Under Avi’s leadership, 3D Systems’ emerged as a global 3D content-to-print leader that is redefining and shaping the way we design, what we create and how we manufacture. Prior to joining 3D Systems, for more than five years, Avi served in various senior executive positions with Sealed Air Corporation a leading provider of food safety and security, facility hygiene, and product protection solutions worldwide, most recently as Corporate Officer, Vice President and General Manager of Sealed Air’s Shrink Packaging business.

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 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

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 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 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. 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 Holdings, LLC, The Clark Foundation and the National Baseball Hall of Fame & Museum, Inc. and Vice Chairman of the Board of Trustees of Bassett Healthcare Network. A director since 1999, Mr. Moore brings to our Board wide experience in operations, finance and executive management and, as President of a major stockholder, perspective on strategy and growth for the benefit of our stockholders.

Peter H. Diamandis

Dr. Peter Diamandis is the Chairman and CEO of the X PRIZE Foundation, which leads the world in designing and launching large incentive prizes to drive radical breakthroughs for the benefit of humanity. Diamandis is also the co-Founder & Executive Chairman of the Singularity University, a Silicon Valley based institution teaching graduates and executives about exponentially growing technologies and their potential to address humanity’s grand challenges. Diamandis has founded or co-founded many of the leading entrepreneurial companies in the exponential technologies sector including Zero Gravity Corporation, Planetary Resources, Inc. and Space Adventures. He also counsels the world’s top enterprises on how to utilize exponential technologies and incentivized innovation to dramatically accelerate their business objectives. Diamandis recently co-Authored Abundance – The Future Is Better Than You Think.

William D. Humes

Mr. Humes is Chief Financial Officer of Ingram Micro Inc., a Fortune 100 company and the world’s largest wholesale technology distributor and a global leader in supply-chain and mobile device lifecycle services. Serving as Chief Financial Officer since 2005, he is responsible for Ingram Micro’s global finance organization including financial planning and analysis, controllership, internal audit, tax, treasury and risk management, global shared services and strategic sourcing operations. Prior to being named Chief Financial Officer, Mr. Humes held positions of ever-increasing responsibility for Ingram Micro after joining in 1998 as Senior Director, Worldwide Financial Planning, Reporting and Accounting. Before joining Ingram Micro, Mr. Humes was at PricewaterhouseCoopers for nine years, where he took an accelerated path to senior manager. During his tenure at the firm, he was responsible for managing all aspects of professional services to numerous multinational and technology-sector companies.

William E. Curran

Currently retired, Mr. Curran serves as a director of Profound Medical, a Toronto-based, privately funded medical start-up focused on using ultrasound thermal ablation of the prostate using Magnetic Resonance guidance. Previously, 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.