Executive Management

Jeffrey A. Graves , Chief Executive Officer and President, 3D Systems


Dr. Jeffrey Graves is President and CEO of 3D Systems and joined the company in May 2020.  

Prior to joining 3D Systems, from 2012 to May 2020, he served as CEO, President and Director of MTS Systems Corporation, a global supplier of test, simulation, and measurement systems. From 2005 until 2012, he served as President and CEO of C&D Technologies, Inc. He also held leadership roles with Kemet Corporation as Chief Operating Officer (2001-2003) and CEO (2003 to 2005). Previously he held a number of leadership and technical roles with GE, Rockwell Automation and Howmet Corporation.

Graves currently serves on the Board of Directors of FARO Technologies and Hexcel Corporation.

He holds a bachelor’s degree in metallurgical engineering from Purdue University. He also holds a master’s degree and PhD in metallurgical engineering from the University of Wisconsin. He has been recognized with the distinguished alumni award from both universities. He is also a master black belt in six sigma.  

Wayne Davey, Senior Vice President and Head of Software & Healthcare Solutions, Global Go to Market


Wayne Davey is responsible for ensuring 3D Systems is recognized as a market leader through innovative solutions and services in the Software and Healthcare industries.

He is focused on delivering our brand promise to customers in the exceptionally dynamic space of medical and software applications for 3D-printing and digital production.

Davey joined 3D Systems in November 2016 as the General Manager for Europe, Middle East, Africa, and India.

Previously, he served as the Chief Executive Officer for Spigraph International. He also served in various leadership roles at Hewlett-Packard where he worked for nearly 15 years.

Menno Ellis, Senior Vice President and General Manager, Plastics


Ellis joined 3D Systems in December 2016. He is responsible for research and development, product management, advanced applications development, and end-to-end operations for Plastics.

Prior to joining the company, he spent 20 years in management and business consulting services with an emphasis on sustainable, long-term revenue growth.

Ellis holds undergraduate and graduate business degrees from the Wharton School of the University of Pennsylvania, and the Ross School of the University of Michigan.

He is multi-lingual and fluent in English, Spanish, Dutch and Papiamento.

Erica Hausheer, Senior Vice President, Chief Information Officer and Global Procurement


Erica Hausheer is responsible for information technology & cyber security, and also global sourcing & procurement, both direct and indirect purchasing, for 3D Systems. Hausheer joined 3D Systems in November 2016 and has played a significant role in digital transformation, defining and implementing a common IT architecture across all business units and regions, thus enabling the company to scale and grow.

Prior to joining the company, she was Vice President of Information Technology leading Global Architecture for Hewlett-Packard Enterprise (HPE). She worked at HP/HPE for 20 years in Supply Chain, Human Resources and Information Technology.

She also served six years as an Officer in the US Navy.

Hausheer has a bachelor’s of science from Penn State University and a masters of business from Oregon State University.

Charles W. Hull, Co-Founder, Executive Vice President, Chief Technology Officer


Charles (Chuck) Hull is the Co-Founder and Chief Technology Officer of 3D Systems. Chuck is the inventor of the solid imaging process known as Stereolithography, the first commercial 3D printing technology.

With the founding of 3D Systems in 1986, he initiated the 3D printing industry and continues to lead it today with cutting edge innovations ranging from state-of-the-art production 3D printers that have changed the game in manufacturing to precision healthcare and medical 3D printing solutions, on-demand parts manufacturing services and digital design tools.

He is a named inventor on 85 United States patents, plus numerous other patents around the world in the fields of ion optics and 3D printing.

In 2014, Chuck was inducted into the National Inventors Hall of Fame at the United States Patent and Trademark Office for his globally impactful and transformative work inventing and pioneering 3D printing. The same year, Chuck was the recipient of the European Patent Office’s prestigious European Inventor Award in the non-European countries category for his contributions to technological progress and the advancement of society. In 2016 he received the Manufacturing Leadership Lifetime Achievement Award from Frost & Sullivan’s Manufacturing Leadership Council, and The American Society of Mechanical Engineers, ASME, honored Chuck and named the SLA-1, the first commercial 3D printer, a Historic Mechanical Engineering Landmark. He also received The Economist’s prestigious 2013 Innovation Award, recognizing significant contributions across the fields of science and technology.

Prior to founding 3D Systems, Chuck served six years as vice president of engineering at UVP, Inc. Before that, he spent 10 years as an engineering manager at DuPont.

Chuck holds a bachelor’s degree in engineering physics from the University of Colorado. He received an honorary Doctorate in Engineering from Loughborough University in the U.K. and an honorary Doctorate in Science from the University of Colorado.

Andrew M. Johnson, Executive Vice President, Chief Legal Officer and Secretary


Andrew Johnson is responsible for all legal matters across the globe, including corporate, securities, contracts, litigation, labor and employment, and trade compliance. Johnson joined 3D Systems in July 2006 and has been influential in the company’s legal strategy and has helped to navigate complex litigation and regulatory matters. He has previously served as Interim President and CEO from October 2015 to April 2016.

Prior to joining the company, he was an Associate with Hunton & Williams LLP on the asset securitization team.

Johnson has a bachelor’s of arts in political science, diplomacy, foreign affairs and religion from Miami University. He also has a master’s of business from the University of Michigan and a juris doctor from the University of Virginia.

Johnson also serves on the board of directors for Reverb, a global nonprofit that unites musicians and fans to take environmental and social action.

Herbert Koeck, Executive Vice President and General Manager, Global Go to Market, Printers and Materials


Herbert Koeck is responsible for ensuring 3D Systems is recognized as a market leader through innovative products, solutions, and materials with superior quality. He is focused on product marketability, launch and commercialization, and delivering our brand promise to customers.

Koeck joined 3D Systems in September 2016. Previously, he served in various senior leadership roles at Hewlett-Packard where he worked for nearly 16 years across global locations including Europe, Middle East, Africa, Asia Pacific, and the Americas.

He has a diploma in computer science from Vienna University of Technology in Austria. Additionally, he has studied in executive programs at INSEAD and MIT Sloan School of Management.

He is multi-lingual and fluent in English and German.

Radhika Krishnan , Executive Vice President and General Manager, Software, Digitization and Healthcare


Radhika Krishnan is responsible for the end-to-end software, digitization, and healthcare solutions at 3D Systems. In her role, Krishnan is focused on driving higher levels of simplicity, automation, and collaboration through software. She is also focused on broadening use cases in the dynamic space of medical manufacturing and digital production.

Krishnan joined 3D Systems in November 2018.

Prior to joining the company, she served as Vice President and General Manager of Software Defined and Cloud Infrastructure at Lenovo and Vice President of Product Solutions and Alliances for Nimble Storage. She has also served in leadership roles at NetApp, Cisco, and Hewlett-Packard in addition to advisory roles at various start-ups and non-profits.

She has a bachelor’s of science in electrical and electronics engineering from the Birla Institute of Technology and Science in Pilani, India. She also holds an M.B.A. from San Jose State University.

Wayne Pensky, Interim Chief Financial Officer


Wayne Pensky is interim Chief Financial Officer.

Coming out of retirement, Pensky spent the last 24 years of his career at Hexcel, a multinational manufacturer of advanced composite materials used in aerospace and industrial applications, with the last 10 years spent serving as CFO before his retirement in 2017. Prior to CFO, he held additional financial leadership roles including Head of Finance, Corporate Controller and Chief Accounting Officer.  He began his career with Arthur Andersen & Co where he served 14 years.  He earned a Master of Business Administration from the University of California at Berkeley.

Philip C. Schultz, Executive Vice President and General Manager, Operations


Phil Schultz is responsible for metals, global customer service, global operations, and on-demand manufacturing.

He joined 3D Systems in September 2016. Prior to joining the company, he spent five years at Foxconn. There he ran one of the operations for three years, then spent two years as a Chief Technical Officer. Before that, he was a Vice President of Imaging and Printing for Hewlett-Packard where he worked for 25 years.

Schultz has a Bachelors in electrical engineering from the University of Illinois.

Sadie Stern, Executive Vice President, People and Culture, Chief Human Resource Officer and Chief Ethics and Compliance Officer


Sadie Stern is responsible for creating an exceptional experience for employees and a culture that attracts forward-thinking talent who want to make difference with their work. She leads an organization focused on people and culture including Human Resources, Facilities, Environmental, Safety and Health, and Ethics and Compliance.

Stern joined 3D Systems in October 2017. She brings 20 years of experience advocating for people and culture and influencing global organizations through talent success and organizational effectiveness.

Previously, she served in leadership roles at Qualcomm, LG Electronics and The Walt Disney Company.

Stern holds a bachelor’s degree in English literature from San Diego State University and a master’s degree in adult learning from the University of Denver. She sits on the board of directors for Kids Included Together, a global non-profit that helps organizations meaningfully include children with disabilities.

Doug Vaughan, Senior Vice President and Chief Marketing Officer


Doug Vaughan joined 3D Systems in June 2016 and is responsible for building 3D Systems’ brand, supporting growth initiatives in new and existing markets, and increasing demand for 3D Systems’ products and solutions globally.

He brings of 25 years’ experience in global brand strategy and delivering profitable growth through marketing innovation and digital transformation, serving in a variety of global leadership roles with Hewlett-Packard after starting his career in communications with Bank of America. Prior to joining 3D Systems, Vaughan co-founded a strategic marketing firm where he served as principal for seven years.

Vaughan has a diploma in technical journalism from the Oregon State University.