Board of Directors

Michael Hsing founded MPS in 1997 and currently serves as Chairman of the Board, President, and Chief Executive Officer. Prior to founding MPS, Mr. Hsing was a Senior Silicon Technology Developer at several analog IC companies, where he developed and patented key technologies, which set new standards in the Power Electronics industry. In 2004, Mr. Hsing took the company IPO. Under his leadership, MPS is constantly creating cutting-edge products to improve the quality of life with green, easy-to-use systems solutions.

Herbert Chang has served on our Board since September 1999. Mr. Chang is currently the general partner of GrowStar Partners Group Limited, a position he has held since July 2007. Mr. Chang is a venture capitalist and focuses on investing in companies in the semiconductor, telecommunications, networking, software and Internet industries. Mr. Chang serves on the board of directors of a number of private companies and a TWSE-listed company. Mr. Chang received a B.S. in geology from National Taiwan University and an M.B.A. from National Chiao Tung University in Taiwan.

Member of the Audit Committee

Member of the Compensation Committee

Eugen Elmiger has served on our Board since October 2012. Mr. Elmiger currently serves as Chief Executive Officer of maxon Group, a leading advanced motion company, a position that he has held since January 2011. From 1991 to 2011, Mr. Elmiger held senior executive positions in the sales, marketing and engineering divisions of Maxon motor. Mr. Elmiger currently serves on the Board of Directors of Kardex AG, a global leader in automated storage solutions and material handling systems. Mr. Elmiger holds a B.S. in Electrical Engineering from the Lucerne (Horw) University of Applied Science and Art.

Chair of the Compensation Committee

Member of the Nominating and Corporate Governance Committee

Victor K. Lee has served on our Board since September 2006. Mr. Lee was a member of the board of directors at MoSys, Inc., a fabless semiconductor company from June 2012 to June 2016. Mr. Lee served as Chief Financial Officer of Ambarella, Inc., a fabless semiconductor company, from August 2007 to March 2011. Mr. Lee holds a B.S. in Industrial Engineering and Operations Research and an M.B.A. from the University of California, Berkeley.

Member of the Audit Committee

Dr. Jeff Zhou has served on our Board since February 2010. Dr. Zhou is a retired business executive. Before his retirement, Dr. Zhou served as Executive Vice Chairman of MiaSolé, which develops thin film solar technology, which position he held from 2018 to 2019. Dr. Zhou served as Chief Executive Officer of MiaSolé from 2013 to 2018. Dr. Zhou holds a Ph.D. degree in Electrical Engineering from the University of Florida.

Member of the Audit Committee

Member of the Compensation Committee

Carintia Martinez has served on our Board since May 2021. Ms. Martinez currently serves as Chief Digital Information Officer of Automotive Cells Company, a developer of battery technology for electric vehicles, which position she has held since February 2025. From January 2024 to January 2025, Ms. Martinez served as Chief Information Officer of IHS Towers, a provider of shared communications infrastructure. From January 2018 to May 2023, Ms. Martinez served as Vice President, Chief Information Officer of Thales Alenia Space, a European aerospace manufacturer specializing in satellite systems. From February 2008 to December 2017, Ms. Martinez held various senior positions, including Vice President of Renault-Nissan Alliance Quality and Vice President of Information Systems for Marketing and Sales, at Renault Group, a French automobile manufacturer. Ms. Martinez holds a master’s degree in Architecture and City Planning from Pontificia Universidade Catolica do Parana in Brazil, a master’s degree in Project Management from Université de Technologie de Compiègne in France, and a master’s degree in Urban Planning from Université Paris XII - Val de Marne and Ecole Nationale des Ponts et Chaussées in France.

Chair of the Nominating and Corporate Governance Committee

Eileen Wynne has served on our Board since February 2023. Ms. Wynne served as interim Chief Financial Officer of IDEX Biometrics ASA (“IDEX”), a provider of fingerprint identification technologies, from August 2022 to September 2023, and supported IDEX on a consulting basis from December 2020 to June 2024. From November 1999 to June 2019, Ms. Wynne held various managerial and senior roles at Analog Devices, Inc. (“ADI”), a global semiconductor company, including Vice President and Chief Accounting Officer from May 2013 to June 2019, and interim Chief Financial Officer from March 2017 to September 2017. Ms. Wynne holds a B.A. in Financial Economics from St. Anselm College and an M.S. in Accounting from Bentley University. Ms. Wynne is an active Certified Public Accountant.

Chair of the Audit Committee