Monolithic Power Systems MPWR

Michael Hsing has served on our Board and as our President and Chief Executive Officer since founding MPS in August 1997. Prior to founding MPS, Mr. Hsing was a Senior Silicon Technology Developer at several analog integrated circuits (IC) companies, where he developed and patented key technologies, which set new standards in the power electronics industry. Mr. Hsing is an inventor on numerous patents related to the process development of bipolar mixed-signal semiconductor manufacturing. Mr. Hsing holds a B.S.E.E. from the University of Florida.

Saria Tseng currently serves as Executive Vice President, Strategic Corporate Development, General Counsel and Corporate Secretary. She has served as our Vice President, General Counsel and Corporate Secretary since 2004 and additionally as our Vice President, Strategic Corporate Development since 2009. Ms. Tseng joined the Company from MaXXan Systems, Inc., where she was Vice President and General Counsel from 2001 to 2004. Previously, Ms. Tseng was an attorney at Gray Cary Ware & Freidenrich, LLP and Jones, Day, Reavis & Pogue. Ms. Tseng is a member of the state bar in both California and New York and is a member of the bar association of the Republic of China (Taiwan). Ms. Tseng holds Master of Laws degrees from the University of California at Berkeley and the Chinese Culture University in Taipei.

Maurice Sciammas currently serves as our Executive Vice President of Worldwide Sales and Marketing. Mr. Sciammas joined us in July 1999 and served as Senior Vice President of Worldwide Sales and Marketing until he was appointed to his current position. Before joining us, he was Director of IC Products at Supertex from 1990 to 1999. He has also held positions at Micrel, Inc. He holds a B.S.E.E. degree from San Jose State University.

Bernie Blegen has served as our Chief Financial Officer since July 2016 and is responsible for finance, accounting, tax, treasury and investor relations. From August 2011 to June 2016, Mr. Blegen served as our Corporate Controller. Prior to joining MPS, Mr. Blegen held a number of executive finance and accounting positions for other publicly traded technology companies, including Xilinx, Inc. and Credence Systems. Mr. Blegen holds a B.A. from the University of California, Santa Barbara. On February 3, 2026, Bernie Blegen informed the Company's Board of Directors of his intention to retire from his position as Executive Vice President and Chief Financial Officer. Mr. Blegen will continue in his role until the issuance of the Company's 2025 annual report on Form 10-K.

Herbert Chang has served on our Board since September 1999. Mr. Chang is currently the general partner of GrowStar Partners Group Limited, which 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.

Eugen Elmiger has served on our Board since October 2012. Mr. Elmiger currently serves as Chief Executive Officer of maxon Group, a provider of high precision electric drive systems, which position he has held since January 2011. Mr. Elmiger currently serves on the board of directors of Kardex, 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.

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., 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.

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 MiaSole, a developer of thin film solar technology, from 2018 to 2019. Dr. Zhou served as Chief Executive Officer of MiaSole from 2013 to 2018. Dr. Zhou holds a Ph.D. degree in Electrical Engineering from the University of Florida.

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.

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 January 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 Universite de Technologie de Compiegne in France, and a master's degree in Urban Planning from Universite Paris XII - Val de Marne and Ecole Nationale des Ponts et Chaussees in France.