Board of Directors




John Goehrke, CEO John Goehrke
CEO, HexaTech, Inc.


John Goehrke brings over 30 years of sales, marketing and general management experience to HexaTech. Most recently, he was CEO at Centice Corporation, a provider of unique technology and systems for identification and verification of chemical substances.

Previously, he was CEO at Nextreme Thermal Solutions, a leader in thin-film thermoelectrics, which was sold to Laird Technologies in February 2013. Other operational roles include CEO of siXis Inc., pioneers of advanced Silicon Circuit Board (SiCB) technology, and COO of Luna Innovations, where he was part of the executive management team that successfully completed an Initial Public Offering. Previous to Luna Innovations, John was CEO of Luna Technologies and General Manager of Acterna’s Access Division, based in Germantown, MD, and the Fiber Optics Division based in St. Etienne, France.





Gregory Mills Gregory Mills
VP Business Development, HexaTech, Inc.


Greg has more than 25 years in the semiconductor and passive electronics industries, holding positions including executive management, new business development, and worldwide sales and marketing.

His previous experience includes Cree, which he joined in 1999, developing the Materials business into a leading supplier of silicon carbide and III-nitride semiconductor products. Greg also hails from North Carolina State University, and held sales, marketing, and engineering positions with AVX/Kyocera.





Dr. Raoul Schlesser, CTO Dr. Raoul Schlesser
Co-Founder and CTO, HexaTech, Inc.


Raoul has over 25 years of experience in experimental physics, including nonlinear optics, solid state physics, crystal growth and nitride semiconductors.

He has been an Associate Research Professor at North Carolina State University and has co-authored over 130 publications. He currently manages the Crystal Growth and Wafering operations at HexaTech.




Katsutoshi Iino
Director, Stanley Electric Co., LTD.





Yasuaki Kaizumi
Director, Stanley Electric Co., LTD.





Mitsuaki Misugi
Executive General Manager, Optoelectronic Device Division, Stanley Electric Co., LTD.





Hiroyasu Shioda
Project Leader, Environmental Advancement Business Project, Stanley Electric Co., LTD.