Founder & Chief Executive Officer
Benny Buller is founder and Chief Executive Officer of VELO3D. Prior to founding VELO3D, Benny was an investor at Khosla Ventures. He founded VELO3D to address the limited production capabilities available for additive manufacturing. Consistent with his penchant for problem solving and identifying solutions, he resolved to change the manufacturing market. Earlier in his career, Benny worked at Applied Materials, where he developed multidisciplinary and highly-precise inspection and manufacturing systems for the semiconductor industry. Later, he founded First Solar’s device physics team, and led efforts that resulted in a more than 50% increase in solar cell efficiency. Benny earned a Bachelor’s and Master’s degree in Physics from Jerusalem University. He also earned a Master’s degree in Electrical Engineering from the Technion, Israel institute of Technology.
Chief Product and Chief Marketing Officer
Stefan Zschiegner brings over two decades of executive experience to VELO3D. Stefan held leadership positions in the communications, solar and manufacturing industry, leading product and marketing strategies to bring innovative solutions to market. Stefan was Vice President of product management and General Manager for Mitel’s cloud business. He served as Vice President of product management at Enphase Energy, he was Senior Vice President of marketing at Raydiance, a laser-based manufacturing solution provider, and Vice President of new market development and global product management at First Solar. Earlier Stefan held technology business leadership roles in the semiconductor equipment industry including General Management at Formfactor as well as Hewlett-Packard. His education includes the Executive Marketing Management Program at the Stanford Graduate School of Business, and a Master’s equivalent degree in Electrical Engineering from Technical-University Hamburg in Hamburg, Germany.
Executive Vice President of Operations
Chris Brozek is Executive Vice President of operations at VELO3D, where he brings diverse experience in building and scaling emerging growth, venture-backed technology companies. Prior to joining VELO3D, he led operations at ThoughtSpot, where he served as acting CFO and head of operations, with responsibility for corporate strategy, sales operations, global support, manufacturing and G&A. Previously, he led manufacturing and operations at Picarro, Violin Memory, and Arch Rock Corporation. Chris is a U.S. Navy veteran and served as an officer aboard fast attack submarines. He earned a Bachelor of Science in Mechanical Engineering from Santa Clara University.
Vice President, Process Engineering
Dr. Gregory Brown began his career at VELO3D in 2016 as a senior technologist.Since then, he has held various positions in process engineering management, including his current role as VP, process engineering. Prior to joining VELO3D, Gregory worked at Kinestral Technologies as a senior process engineer and backend group leader. He has also worked as a research scientist with Applied Materials, MiaSole and Nanosolar. Gregory earned a Bachelor of Science degree from Case Western Reserve University in materials science. He earned Master’s of Science and a PhD degree in Materials Science from University of California, Berkeley.
Vice President, Software Engineering
Tsvetan Tsvetanov began his career at VELO3D as an Engineering Manager. In less than a year, he was promoted to Director of Software Engineering, and then to his current position as VP, Software Engineering. Tsvetan brings a vast experience in software engineering to VELO3D, having previously worked as a Senior Software Engineer at Apple. He also spent six years at Autodesk as a Principal Software Engineer. Tsvetan earned a Master’s of Science degree in Mechanical Engineering from the Technical University of Gabrovo in Bulgaria.
Vice President, Finance
Keith Steel serves as Vice President of finance at VELO3D. Previously, Keith served as vice president of finance at Kateeva, and corporate controller at Cogenra Solar. He has held a variety of positions at Novellus Systems, including sales controller, project manager and director of finance. He started his career at PricewaterhouseCoopers, first as an auditor in the high-tech practice, then as an expatriate audit manager in PwC’s multinational practice in Taipei, Taiwan. Keith earned Bachelor’s degrees in Economics and Political Science from the University of California at Riverside and a Master’s degree in Accounting from San Jose State University.
Senior Director, Customer Services
Chris leads VELO3D‘s customer service team. Prior to joining VELO3D, Chris worked in several technology-based industries in customer service and operations roles. Most recently, he was senior director of customer service for Mimosa Networks. His experience spans the technology sector, from semiconductor capital equipment to photovoltaics, outdoor wireless networking and additive manufacturing. Throughout, he has participated in or led manufacturing, engineering, product management, operations, IT, or customer service teams. He earned a Bachelor of Science in Electrical Engineering Technology degree from DeVry University and Master of Business Administration degree from the Keller Graduate School of Management.
Vice President, Technical Partnerships
Dr. Zach Murphree is VELO3D’s VP of Technical Partnerships. In previous roles with VELO3D, Zach served as the director of business development, head of product and applications and head of the hardware engineering group. His background includes engineering roles for energy companies, where he was in charge of introducing metal additive manufacturing technology to a Fortune 500 energy company. Prior to joining VELO3D, Zach led North America sales for Concept Laser. He earned Bachelor of Science and PhD degrees in Aerospace Engineering from the University of Texas and has been granted more than 35 patents.