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Ken Pfeiffer

Vice President, Engineering

Robert L. JohnsonA key member of the senior management team, Ken Pfeifer reports to Jeff Quiram, STI's president and chief executive officer, and manages all aspects of engineering at the company.

Prior to joining STI, Ken held senior management positions at Veeco Instruments and HelioVolt Corporation, where he was responsible for the development and production scaling of large-area thin film deposition equipment used in the solar industry. In these roles he managed software, electrical, and mechanical teams responsible for the core technology to enable reactive co-evaporation of thin-films over large areas, similar to the production method deployed by STI. Prior to work in the thin-film solar industry, he was a Program Manager and lead engineer for the MegaWatt scale uninterruptible power supply development at Active Power, Inc. In addition, he served in a variety of engineering leadership and product management positions at Applied Materials, Inc.

Ken holds an MBA from the McCombs School of Business at the University of Texas, a Master of Science degree in Mechanical Engineering from the University of Texas, and a Bachelor of Science degree in Mechanical Engineering from Texas A&M University.
Executive Officers

Jeff Quiram
President, Chief Executive Officer, Board Member


Bill Buchanan
Vice President, Chief Financial Officer


Robert L. Johnson
Senior Vice President, Operations


Adam Shelton
Vice President, Marketing and Product Management


Ken Pfeiffer
Vice President, Engineering