Keith Evans, Ph.D.
Co-Founder, President & CEO, Member of Board of Directors

Dr. Evans has over 2 decades of executive experience in commercializing advanced semiconductor materials technologies including key roles at QED/IQE, Crystal IS (Asahi Kasei), Veeco Instruments, and Kyma Technologies. He also served as President of the Board for the US Power Electronics Industry Collaborative (PEIC). In 2019 he became an Entrepreneur in Residence at Spartan Innovations where he teamed with MSU professor Tim Grotjohn to co-found GLCT. His skills and experience include early stage startup financing and growth, winning federal grants, congressional support, intellectual property licensing, business turnaround, product diversification, mergers and acquisitions, and initial public offerings. He began his career at US Air Force Research Laboratory (AFRL) where built a world-class team which advanced the technology of crystal growth for manufacturing semiconductor devices for the defense sector. Keith received his Ph.D. in Physical Chemistry from Purdue University.

Timothy Grotjohn, Ph.D.
Co-Founder, Technical Advisor, Member of Board of Directors

Dr. Grotjohn is a Professor of Electrical and Computer Engineering at Michigan State University (MSU) where he works on diamond process and device R&D. He joined MSU in 1987 and served for 9 years as the Department Chairperson and for six years as the R&D Director of the Fraunhofer USA Center for Coatings and Diamond Technologies located at MSU. His current research activities include diamond deposition reactor design; diamond process R&D for doped and undoped diamond; and diamond device R&D including diodes, transistors, quantum sensors and high energy particle detectors. He holds 13 patents with 9 related to diamond synthesis and processing. He has a total of 67 journal papers and over 250 conference papers/presentations. Tim received his Ph.D. in Electrical Engineering from Purdue University.

Paul Quayle, Ph.D.
Chief Scientist & Director R&D

Dr. Quayle leads GLCT’s diamond materials and device R&D activities and is the Principal Investigator (PI) on multiple federal funding grants won by GLCT. He also has led the establishment of GLCT’s diamond manufacturing pilot line. He worked as a postdoctoral researcher advancing the manufacturing technology for diamond materials in GLCT co-founder Prof. Grotjohn’s group at MSU before joining GLCT, and he has three years of prior experience as a research scientist at Kyma Technologies. Paul received his Ph.D. in Condensed Matter Physics from Case Western Reserve University.

Laurey Wyble
Director of Finance

Ms. Wyble leads GLCT’s finance department and has over 2 decades of executive experience in starting and leading the finance and operations of small companies. She is currently the Operations Manager for Opti O2, a high technology spinout of Michigan State University located in the VanCamp Incubator + Research Labs where GLCT is also located. Laurey has studied Business Administration, Management and Operations at Lansing Community College.

Ramon Diaz, Ph.D.
Director of Production

Dr. Diaz leads GLCT’s crystalline diamond manufacturing activities. He recently completed his Ph.D. in Electrical Engineering at Michigan State University in GLCT co-founder Prof. Grotjohn’s group. His Ph.D. thesis is focused on development of processes for manufacturing large area diamond materials. Ramon has previous university teaching experience, and he has prior early stage high technology startup experience at Cutting Edge Superconductors.

Alex Grotjohn
Semiconductor Technician

Mr. Grotjohn recently graduated from Lansing Community College with an Associate’s Degree in Business. He is currently a senior and pursuing his B.S. in Marketing at The Eli Broad College of Business at Michigan State University. He has recent experiences in helping GLCT in daily accounting and is now helping establish and operate GLCT’s pilot manufacturing line. Alex has prior experience in crystalline diamond growth technology at the Fraunhofer USA Center for Coatings and Diamond Technologies.

Gret Radomski
Semiconductor Technician

Mr. Radomski is currently a sophomore at Michigan State University studying business communications. He has recent experiences in helping GLCT in daily accounting and is now helping establish and operate GLCT’s pilot manufacturing line. He also manages the social media for the Centrepolis Accelerator at Lawrence Technological University.