安毕科微电子 AMBQ

Fumihide Esaka, age 62, has served as our Chief Executive Officer and as a member of our Board of Directors since December 2015 and served as Chairman of our Board of Directors from November 2016 to July 2025. Prior to joining Ambiq, Mr. Esaka served as chief executive officer of Transphorm Inc., a global semiconductor development company, from June 2013 to November 2015 and president and chief executive officer of Nihon Inter Electronics Corporation from June 2010 to June 2013. Mr. Esaka holds a B.A. in electrical engineering and computer science from the University of California San Diego.

Jeff Winzeler has served as our Chief Financial Officer since June 2025. Prior to joining Ambiq, Mr. Winzeler served as the Chief Financial Officer of Kandou S.A., a semiconductor company, from June 2020 to May 2025. Mr. Winzeler has also held Chief Financial Officer and Chief Operating Officer roles at several technology firms, including Everspin Technologies, Avnera Corporation, Solar Power Inc., and International DisplayWorks, Inc. Earlier in his career, Mr. Winzeler held several senior finance positions at Intel Corporation. Mr. Winzeler holds a B.S. in Finance from the University of Idaho and completed the Strategic Finance Leadership Program at Stanford University.

Scott Hanson, Ph.D., age 42, founded Ambiq and has served as our Chief Technology Officer since February 2013 and our Secretary since June 2015. Previously, Dr. Hanson served as our Chief Executive Officer from January 2010 to January 2013. Dr. Hanson has served on our Board of Directors since January 2010. Dr. Hanson has won numerous awards, including the ECE Alumni Rising Star Award and Arbor Networks Ph.D. Research Impact Award from University of Michigan. Dr. Hanson holds a BSE in electrical engineering, a MSE in electrical engineering and a Ph.D. in electrical engineering from the University of Michigan.

Joseph Tautges, age 50, has been a member of our Board of Directors since November 2022. Since January 2026, Mr. Tautges has provided consulting services to a global provider of payment technology and software solutions, and from March 2024 to January 2026, Mr. Tautges served as EVP and Chief Operating Officer at Worldpay Inc., a financial services technology company, until its acquisition by Global Payments Inc. Mr. Tautges previously served as the Executive Vice President, Chief Operating Officer of CDK Global, a digital solutions provider for automotive and heavy truck dealerships, from January 2021 to July 2022, and as its Executive Vice President, Chief Financial Officer from August 2017 to January 2021. Prior to joining CDK, Mr. Tautges served as the division Chief Financial Officer of the $18 billion Enterprise Services segment of Hewlett Packard Enterprise (HPE) from May 2014 to April 2017. Prior to HPE, Mr. Tautges held various levels of increasing responsibility in both operations and financial management with Sears Holdings from 2011 to 2014 and Aon Hewitt from 2002 to 2011. Mr. Tautges is a Certified Public Accountant. Mr. Tautges holds a degree in accountancy from Northern Illinois University.

Timothy Chen, age 52, has been a member of our Board of Directors since November 2023. Mr. Chen is a founding partner of ACHI and KQ Capital, and has served as the CEO of an international division of VIA Technologies, Inc., an integrated circuit manufacturer, since September 2015. Prior to serving as CEO, Mr. Chen was the Head of Sales and Business Development at the same division of VIA Technologies, where he began in 2007. From October 2019 to February 2022, Mr. Chen served as Chairman for VIA Telecom, a CDMA alternative chip supplier to Qualcomm, Inc. In addition, Mr. Chen served as Chief Financial Officer of PTK Acquisition Corp. from July 2020 until September 2021, when they announced a SPAC business combination with Valens Semiconductor, Ltd., resulting in their listing on the NYSE. In December 2014, Mr. Chen founded EMQ, an Asian cross-border startup developing global payment network solutions, where he now serves as Chairman and board member. In addition to his executive leadership experience, Mr. Chen holds several key board positions within the technology and media sectors. In March 2026, Mr. Chen joined the board of directors of DayOneDC, a global data center operator. He also serves as a board member of VIA Labs and CatchPlay, a leading Taiwanese multimedia and digital content provider. Mr. Chen holds a degree in Engineering from the University of California Berkeley.

Ker Zhang, Ph.D., age 63, has been a member of our Board of Directors since January 2017. Dr. Zhang is a technology expert with over 30 years of HardTech experience as an engineer, executive, entrepreneur, CEO, Chairman, and investor. Since January 2025, Dr. Zhang has served as Chairman of Crossbar Inc., a Kleiner Perkins portfolio company that develops innovative memory technology; previously, he served as Executive Chairman from April 2019 and as interim CEO from July 2020 through January 2025. Until April 2025, Dr. Zhang also advised Intel Capital and previously served on the board of Keyssa, Inc., a wireless transfer technology company, on behalf of Intel. From September 2021 to December 2022, Dr. Zhang served on the board of directors of Valens Semiconductor Co. In addition, from February 2018 to September 2023, Dr. Zhang was an Entrepreneur In Residence at Kleiner Perkins. Furthermore, he was Vice President and General Manager of Intel's CDMA product and development group from October 2015 to February 2018 and CEO of VIA Telecom from 2002 until it was acquired by Intel in 2015. Dr. Zhang holds an M.S. in physics from the University of Massachusetts and a Ph.D. in Electrical Engineering from Worcester Polytechnic Institute and is a named inventor on three patents.

Sean Chen has served as our President since November 2016 and is currently also serving as our Chief Operating Officer. Previously, Mr. Chen served as our Group V.P., Greater China and Global Operations from November 2015 to October 2016, and as a member of our Board of Directors from November 2016 to December 2024. Mr. Chen has over 30 years of semiconductor experience and has previously served as Vice President of Marketing and Business Development at mCube, a semiconductor company, and held several management positions at various startups and at Nagevtech, Intel, IDT, and TSMC. Mr. Chen holds a M.S. in Chemical Engineering from the National Cheng-Kung University.

Dr. Bernard B. Banks has been appointed to the board as director with effect from 05th Jan 2026. Dr. Banks is the Director of Rice University's Doerr Institute for New Leaders where he oversees leader development initiatives for all Rice University students. Prior to joining the Doerr Institute in January 2024, he served on the senior leadership team and faculty at Northwestern University's Kellogg School of Management for six years. A former career military officer who led organizations ranging in size from 10 to over 3000 people, Dr. Banks served on active duty in the United States Army for 29 years and retired with the rank of Brigadier General. Dr. Banks earned his Ph.D. in social-organizational psychology from Columbia University. He also holds graduate degrees from Northwestern University (MBA), Harvard University (MPA), Central Michigan University (MSS), US Army War College (MSS), and Columbia University (MA and MPhil).