Management Bios

John P. de Neufville, Ph.D., President & Founder John focuses on customer relationships, strategic alliances, and corporate development. John co-founded Voltaix in 1986 and has more than 35 years of experience in the electronics industry. Prior to founding Voltaix, he was CEO of the Ovonics Battery Company in Troy, Michigan. He has a Ph.D. in Materials Science from Harvard University and a B.S. from Yale University. John is the author or co-author of more than 35 papers and has been granted eight U.S. patents.
Matthew D. Stephens, Ph.D., MBA, Chief Operating Officer Matt leads Voltaix on a daily basis with full profit and loss responsibility. Matt joined Voltaix in 2003 and has 11 years of experience commercializing new technologies in the advanced materials, semiconductor, and solar industries. He holds a Ph.D. in Chemistry from the U. of Wisconsin-Madison and completed an M.B.A. at INSEAD (Singapore) and the Wharton School of Business. He graduated magna cum laude from Wabash College, and was elected to Phi Beta Kappa. Matt is the inventor of several chemical process technologies and holds three U.S. patents.
Mark Wilkinson, Ph.D., Executive Vice President Mark leads Operations, Engineering, Safety, Supply Chain, Maintenance, and IT at Voltaix. Mark joined Voltaix in 2004 and has more than 18 years of experience managing operations, engineering, process development, and R&D in various capacities at public and private companies, including Cabot Corp., Molten Metal Technology, and Pelias Therapeutics, where he also served on the board of directors. He is the founder and Chairman of Impact Technology Consultants, a technology development firm that over the past nine years has helped over 60 companies achieve rapid growth through technology commercialization and implementation of structured work processes. He holds a Ph.D. in Chemical Engineering from MIT and a B. Eng. from McGill University. Mark has been granted nine U.S. patents.
Michael Pikulin, PE, Senior Vice President Mike leads Sales, Marketing, Quality Control and Quality Assurance at Voltaix. He joined Voltaix as Director of R&D in 1998 and has more than 20 years of experience in technical management and operations at several chemical companies, including American Cyanamid and Union Camp Corp. He holds a B.S. in Chemical Engineering from the University of Cincinnati. He is the recipient of several awards, including the American Chemical Society's Hero of Chemistry in 1997 and the Thomas Alva Edison Patent Award in 1993. He has been granted 18 U.S. patents.
Ann Marie Hansen, MBA, CPA, Controller and Director of Personnel Ann Marie oversees finance, accounting, and human resources. She joined Voltaix in 2004 and has more than 25 years of experience in a variety of accounting positions at private and public companies, including Reichhold, Cambrex, and Rutherford Chemicals. At her last two employers, she played an instrumental role in restructuring group financial operations and obtaining financing for expansion of operations. Ann Marie is a Certified Public Accountant, holds a B.S. in Accounting from St. Peter’s College, and has an M.B.A from Rutgers University.