Board of Directors

Board of Directors


Darin Billerbeck - Chairman of the Board

Darin Billerbeck has served as a member of our Board of Directors since August 2018 and is currently the Executive Chairman of the board. He is also a Board advisor for Precision Medical Products. Mr. Billerbeck was CEO of Lattice Semiconductor for more than seven years, until his retirement in 2018. During his tenure with Lattice, he steadily increased shareholder value, while expanding the technology, products and the intellectual property of the company. In addition, he gained intimate knowledge of U.S. and China intellectual property laws specifically with respect to the Committee of Foreign Investment in the US (CFIUS). Prior to joining Lattice, Billerbeck served as the President and CEO of Zilog, which was acquired by IXYS Corporation in 2010. Before joining Zilog, Billerbeck served for more than 18 years at Intel in various executive and management positions, including Vice President and General Manager of the Flash Products Group. Billerbeck has also led several key engineering functions in the memory space, including Director of Design Engineering, Director of Packaging and Director of Operations. Mr. Billerbeck received his bachelor's of science degree in mechanical engineering from the University of California at Davis.  Darin brings highly relevant experience to Everspin’s Board of Directors spanning microcontrollers, programmable logic and memory technologies along with that of a public semiconductor company CEO. Billerbeck’s rich experience in memory, component and intellectual property will be a key resource as we grow the mainstream adoption of our STT-MRAM products into new markets and applications.


Lawrence G. Finch, Sigma Partners

Lawrence G. Finch has served as a member of our Board of Directors since June 2008. Mr. Finch has served as managing director at Sigma Partners, a venture capital firm, since joining the firm in 1987. Mr. Finch brings a wealth of operational experience in moving early-stage technology companies through high-growth stages of development. He has advised more than 20 companies throughout his career. We believe that Mr. Finch’s 40 years of experience in founding, managing, and financing businesses, strong relationships in the semiconductor space, and his knowledge of our company qualifies him to serve on our board of directors.


Mike Gustafson

Mike Gustafson has served as a member of our Board of Directors since March 2017. Mike Gustafson was Senior Vice President of the Enterprise Flash Unit of WD/HGST and prior to that was Chairman and CEO of Virident Systems (an enterprise flash storage software and solutions company acquired by Western Digital Corporation in October 2013 for $685 million). Gustafson was also President & CEO of BlueArc, a network attached storage company (acquired by Hitachi Data Systems), and before that an executive with McData and IBM.


Geoff Ribar

Geoff Ribar has served as a member of our Board of Directors since December 2018. Ribar served as a senior advisor to Cadence Design Systems, Inc. until his retirement on March 31, 2018. Prior to this role, Ribar was chief financial officer and senior vice president of Cadence Design Systems, Inc. for seven years. During this period, Ribar was responsible for managing the company’s global finance organization, which included the investor relations and operations groups as well as the internal audit, tax, treasury and controller functions. Prior to Ribar’s tenure at Cadence, he served as the chief financial officer for Telegent Systems in Sunnyvale, California, where he led the company’s finance, legal, IT, and HR teams. He also has extensive experience in the semiconductor industry holding the CFO position at SiRF Technology, Matrix Semiconductor and NVIDIA. In addition, Ribar worked at AMD (Advanced Micro Devices) for 15 years, including as corporate controller. Over the course of his career, Ribar has facilitated many M&A transactions, helping companies successfully scale during periods of rapid growth. Ribar received his Bachelor of Science degree in Chemistry as well as an MBA from the University of Michigan. Geoff brings highly relevant experience to Everspin’s Board of Directors as a high-tech financial expert. Ribar’s rich experience in all areas related to finance will be valuable to Everspin as we continue to scale and grow the business.