TransphormHighest Performance, Highest Reliability GaN


Welcome to the GaN Revolution!

Transphorm is a global semiconductor company, leading the GaN Revolution with the highest performance, highest reliability GaN devices for high voltage power conversion applications. To ensure this, Transphorm deploys its unique vertically-integrated business approach that leverages the industry’s most experienced GaN engineering team at every development stage: design, fabrication, device and application support. This approach, backed by one of the industry’s largest IP portfolios with over 600 patents, has yielded the industry’s only JEDEC- and AEC-Q101-qualified GaN FETs. Transphorm’s innovations are moving power electronics beyond the limitations of silicon to achieve over 99% efficiency, 40% more power density and 20% lower system cost—and here’s how we do it.

Transphorm is dedicated to educating and supporting customers developing with high voltage GaN. Let us know how we can help you!

Since its founding in 2007, Transphorm has achieved a number of milestones and industry firsts.


First samples of 600V GaN-on-SiC with no current collapse/dynamic Ron


First 600V GaN-on-Si


First JEDEC qualified high voltage GaN


IP and manufacturing partnership with Fujitsu Semiconductor Japan


First generation GaN products in production
First customers in production


First long-term intrinsic lifetime testing for GaN established


Second generation GaN products in production


Silicon Valley Center of Excellence established
Customers delivering industry-first products and systems with GaN


First automotive (AEC-Q101) qualified GaN


Third generation GaN products in production


Mario Rivas

Umesh Mishra, Ph.D.
CTO & Co-Founder

Primit Parikh, Ph.D.
COO & Co-Founder

Yifeng Wu, Ph.D.
Senior VP, Engineering

Cameron McAulay

Philip Zuk
VP Technical Marketing

Marc Murphy
VP World Wide Sales

Randy Berg
Human Resources Leader


At Transphorm we believe our people make the difference and drive our business performance. Every employee is critical to our success; together we make one successful team. We foster an environment that encourages innovation, creativity, excellence and results through teamwork. Hard work is expected and rewarded.

Our culture is built on integrity, honesty and a high level of business ethics. We strive to practice leadership that teaches, inspires and promotes full participation and career development. We encourage open and effective communication and interaction.

Transphorm is committed to working with and providing reasonable accommodation to individuals with disabilities. If your medical condition or disability prevents you from completing the online application process, please feel free to  so that we can provide options to assist you with completing the application process.

Transphorm employees enjoy attractive stock options, competitive salaries and a comprehensive benefits program.

Transphorm is proud to be an Equal Opportunity Employer. Applicants who apply for a position are considered without regard to race, color, religion, sex, national origin, age, physical or mental disability, sexual orientation, gender identity, ancestry, marital or veteran status.

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