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 he 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.

Mus (Mustafa) Chagal
Acting Executive Chairperson of GLCT Board of Directors

Mr. Chagal is an Entrepreneur In Residence & Faculty Coach at The University of Chicago Booth School of Business, a Senior Advisor to Dentons, a Mentor for the Booth Polsky Center for Entrepreneurship, and a Mentor for the Duality Quantum Accelerator program which brought him and GLCT together. He has deep international business and startup experience with multiple successful exits and has held key roles including at FastWeb, Ameritech (now part of SBC Communications), UICO, and Booz Allen Hamilton.

Born and raised in Cyprus, Chagal came to the USA on a Fulbright Scholarship in 1984 and was admitted to the Lincoln Academy in 1988 as a Student Laureate. He earned a BS in computing and information science and math from Roosevelt University, and an MBA from Chicago Booth.

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 Operations

Ms. Wyble leads GLCT’s day to day operations, including accounting and contracts administration, and works closely with the Director of Production and the Director of R&D to ensure smooth operations. Laurey has over 2 decades of executive experience in starting and leading the finance and operations of small companies. She serves as GLCT’s primary representative for the Lansing Regional Chamber of Commerce and also volunteers as a Mentor for the One and All program which is managed by the Lansing Economic Area Partnership (LEAP). 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.

Will Cravitz
Special Projects – Academic Partnerships

Mr. Cravitz is currently an undergraduate student at the University of Chicago, a member of the class of 2024. His academic interests are widely varied, though he plans to major in mathematics and philosophy while gaining a good deal of exposure to physics and computer science. Professionally, Will’s experience is centered around graphic design, UX design, and web development. He currently works as a web designer for UChicago Creative—where he contributed to the redesign of the main UChicago website. Will also serves as a Quantum Research and Industry Analyst for Duality, a quantum technology accelerator based at the University of Chicago. In the future, Will hopes to leverage his web development skills and academic interests to promote quality free online education.

Tristan Sharma
Special Projects – Capital & Industry Partnerships

Mr. Sharma is a second-year undergraduate at the University of Chicago pursuing a double major in physics and computer science. To explore his academic interests beyond the classroom, Tristan actively engages in research with faculty from both the University of Chicago Department of Computer Science as well as the Pritzker School of Molecular Engineering. As part of the Large-Scale Systems Group, Tristan is researching the use of complex power grid data for advancing the sustainability of computing, and has built a fully automated application to digest and integrate various data sources from several US power grids.

Thomas Sheppard
Special Projects – Commercialization

Mr. Sheppard is an undergraduate in the 2024 class at the University of Chicago majoring in philosophy and mathematics. In addition to working for GLCT, Thomas is a Quantum Research and Industry Analyst for Duality Quantum Accelerator, the University of Chicago’s accelerator program for quantum technology startups. Thomas is an entrepreneurship enthusiast, and won UChicago’s ILC: Entrepreneurship and Technology pitch competition. He also has a passion for the environment and recycling and served on the Northeast Recycling Council’s Glass Model Legislation Committee in the Summer of 2021.

Angel Zhang
Special Projects – Federal Grants & Partnerships

Ms. Zhang is a member of the University of Chicago Class of 2023, majoring in Public Policy and Economics. In addition to working for GLCT, Angel is a Quantum Research and Industry Analyst for Duality– the University of Chicago’s accelerator program for quantum computing startups and the first quantum accelerator in the US. After an introduction to cybersecurity and policy through the SolarWinds Hack and an internship with Cambridge Global Advisors, she developed an interest in the interaction of business, quantum, technology, cybersecurity, policy, and government. In the future, Angel hopes to continue in the policy and tech realm while also engaging in initiatives to support programs which empower minority students.