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Jim Witham

GaN Systems


Jim Witham currently serves as CEO of GaN Systems. He has more than 30 years of experience in the power electronics industry, including executive and management roles at Tyco Electronics, Aegis Semiconductor, Fultec Semiconductor, and Neoconix. He has demonstrated a strong track record of achieving company and market growth with an unrelenting vision in bringing the newest electronics technology to market.

Under his leadership, GaN Systems has become the global leader in GaN (gallium nitride) power semiconductors with offices in North America, Europe, and Asia serving more than 2,000 customers worldwide. Prior to GaN Systems, he was CEO of Neoconix where he successfully implemented strategic changes which increased Neoconix revenue, resulting in the company’s acquisition by Unimicron Technology in 2014.

Jim also served as CEO of Fultec Semiconductor (now Bourns), leading the manufacture of circuit protection devices using high voltage silicon, silicon carbide, and GaN transistors. Jim has held VP Sales & Marketing roles at both Aegis Semiconductor (now II-VI) and Genoa (now Finisar). He was also the General Manager of the Tyco Electronics – Raychem Interconnect Division and the Japan-based Director of Asia Sales & Marketing for Raychem’s Circuit Protection Division.

Previously, Jim held the unique position of Engineering Specialist for General Dynamics’ Space System Division, where he designed fluid systems for the Space Shuttle and was on Mission Control for interplanetary missions. He holds an MBA from Harvard and both MS and BS with distinction in Mechanical Engineering from Stanford.


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GaN Systems

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