迪奥德斯半导体 DIOD

Mr. Yu, who has been with the Company since 2008, was appointed President and elected to the Board of Directors in January 2024 and appointed Chief Executive Officer in May 2025. Prior roles in the Company include Chief Operating Officer; Senior Vice President with responsibility for Business Groups and the integration of Lite-On Semiconductor Corporation; President, Asia Pacific Region; General Manager of the Company's Shanghai wafer fabrication operation and the Company's BCD business unit; Vice President of Asia Pacific Sales; and manager of the Company's sensor and satellite business unit. Prior to joining the Company, Mr. Yu spent over 10 years at Lite-On Semiconductor Corporation as Vice President, Worldwide Sales and at Texas Instruments in IT, finance, and capacity planning positions. Mr. Yu holds a bachelor's degree in MIS from Fu-Jen University, Taiwan, a master's degree in Telecommunication Engineering from Southern Methodist University, and an MBA from University of Dallas. Mr. Yu provides the Board with many years of domestic and foreign semiconductor experience in sales and operations as well as risk management.

Mr. Tang was appointed Chief Technology Officer in December 2025. He previously served as the Company's Vice President and Senior Vice President over the Discrete Product group since 2006, and as Global Product Manager in 2005. From 2002 until joining the Company, Mr. Tang served as the general manager of T2 Microelectronics in Shanghai, China, where he managed complex mixed-signal SOC product development. From 1996 to 2001, Mr. Tang was the senior strategic marketing director for Acer Labs, Inc. USA, and prior to that, he was employed by National Semiconductor for 17 years, where he held various management positions in analog and mixed-signal circuit design, applications and strategic marketing. Mr. Tang holds a master's degree in Electrical Engineering from the University of Missouri at Rolla.

Dr. Zhao was appointed as the Senior Vice President over the Company's manufacturing and quality functions in December 2025, in addition to serving as the President for the Asia Pacific Region since March 2024. He previously served in the Company's Analog Business Group as Senior Vice President from November 2020 to March 2024, and before that as the Linear, Logic, and Power Product Division Manager. From 2014 until joining the Company in 2017, Dr. Zhao served as Vice President and in General Manager roles at NXP and Fairchild Semiconductor, managing various product lines including analog interface products and high-voltage discrete products. Dr. Zhao worked at Texas Instruments (TI) from 2001 to 2014, with roles including management of the integrated PMIC and overvoltage protection product lines. Prior to TI, Dr. Zhao worked at AMD Fab25 at Austin, Texas. Dr. Zhao holds a Ph.D. in Chemistry from the State University of New York at Buffalo and an MBA from the University of Texas at Dallas.

Mr. Tsong was appointed to his current position in December 2025. He joined Diodes in 2009 as the Worldwide Design Engineering Manager for the Analog Business Group. In November 2015, he was assigned to lead the newly acquired worldwide Pericom business and held the position of Division Manager for the Precision Timing and Connectivity organization within the Analog Business Group. In November 2020, he was appointed as regional President for the Asia Pacific region with responsibility over non-make functions. In March 2024, he was appointed Senior Vice President, Analog Business Group. Prior to joining Diodes, Mr. Tsong worked for Texas Instruments for over 15 years where he held several key management roles for new product development including System Engineering Manager for High-Speed Interface, Senior Design Manager for Mixed Signal IP Development for ASIC, and Design Manager for High-Speed SERDES Development. Mr. Tsong received a bachelor's degree in Electrical Engineering from National Chiao Tung University in Taiwan, and a master's degree in Electrical Engineering from the University of Michigan at Ann Arbor.

Mr. Whitmire assumed his current position as the Company's Chief Financial Officer in March 2019. He has 36 years of industry experience and has been with the Company for over 15 years. Prior to being named CFO, he served as the Corporate Controller and Principal Accounting Officer of the Company, and previously served as the Director of Global Supply Chain. Mr. Whitmire worked at Freescale Semiconductor as Chief Financial Officer for the Analog & Sensors Division. He began his career at Texas Instruments in a variety of finance and operations leadership positions including seven years as Vice President while serving as the finance and operations executive for the High Volume Analog & Logic Division and the corporate supply chain head. Mr. Whitmire holds both a bachelor's degree in Mechanical Engineering and an MBA from the University of Texas at Austin.

Ms. Yang was appointed Vice President of Worldwide Sales and Marketing in 2017 and Senior Vice President in November 2020. She has been with the Company since the acquisition of Pericom Semiconductor Corporation in 2015, where she was Vice President of Global Sales. Prior to that, she held a number of sales management positions with Pericom since 1998, including: VP of Sales, NAEU, Contract Manufacturing Sales Director, Western Regional Sales Director, and Strategic Account Sales Director covering Asia, North America, and Europe. Ms. Yang holds a bachelor's degree in Economics from the University of Toronto.

On May 11, 2026, the Board appointed Ms. Angie Chen Button as Chairwoman of the Board. Ms. Button has served as a representative in the State of Texas House of Representatives since 2009. The only Asian American Woman legislator in Texas, she currently chairs the Trade, Workforce, and Economic Development Committee, and has previously served as Chair of the International Relations and Economic Development Committee, Chair of the Urban Affairs Committee, as Chair of the Economic and Small Business Development Committee, as Vice Chair of the Technology Committee, sat on the Appropriations (Budget) Committee, and has sat and currently serves on the Ways and Means (Taxation) Committee. A CPA, Ms. Button worked for Texas Instruments for over 30 years in various auditing, finance, business development, procurement, and international marketing positions. She also served on the Audit Committee of the Dallas Area Rapid Transit Board. Texas Monthly named Ms. Button as a Top 10 Best Legislator in 2021 and 2023; the Texas Healthcare & Bioscience Institute awarded her its Luminary Award in 2023; and the Texas Association for the Education of Young Children awarded her as its Elected Official of the Year in 2021. In 2025, the Texas Society of CPAs presented her with its Legislative Champion Award. As a state representative, she brings experience and connections in dealing with government officials and business leaders, including promoting international business and trade. Ms. Button provides the Board with semiconductor industry experience, leadership skills, as well as state and national governmental knowledge. Ms. Button received her bachelor's degree in Accounting from National Taiwan University in 1976, her master's degree in Public Finance from National Chengchi University in 1978, and her master's degree in Management Science from University of Texas at Dallas in 1980, which has recognized her as an outstanding alumnus. Ms. Button is a co-founder of the DFW Asian American Citizens Council.

Ms. Bull is the former Chief Financial Officer of Communities Foundation of Texas (CFT). CFT is a Dallas-based non-profit grant-making organization and is one of the largest community foundations in the nation, with more than $1.5 billion in assets. In her role as CFO, Ms. Bull held full budget accountability, reporting to the CEO and Board/Committees. She served as Staff Lead on Finance & Audit, Investment, Compensation, Governance, and Building Committees for the CFT Board of Trustees, partnering for organizational growth. Prior to CFT, Ms. Bull was Vice President and Treasurer of Texas Instruments, where she was employed for over 25 years. In her role as Vice President and Treasurer she led strategic financial, investment, operational, and people development initiatives in progressive roles, working in multiple Texas locations and in Asia across eight countries. She was TI's first female Vice President in Finance, Treasury, and Asia regional roles and worked with billion dollar and smaller entities/organizations in multiple capacities. Ms. Bull received her MBA from the Kellogg School of Management at Northwestern University and her bachelor's degree in Mathematics from DePauw University. She is a member of the North Texas chapter of the National Association of Corporate Directors, and she is a 2025 graduate of Harvard Business School's Executive Education Corporate Director Certificate.

Mr. Chen was a member of the Board of Lite-On Technology Corp. (LTC) from 2002 to 2022. He was named Vice Chairman and Group CEO of LTC in 2014 and stepped down on July 31, 2020. He joined the Lite-On Group in 1983 and served in positions of increasing responsibility, including as Group Deputy CEO and Core Investment CEO from 2006 to 2014, Deputy CEO of LTC from 2000 to 2006, President of Taiwan Lite-On Electronics Inc. from 1992 to 2000, and Senior Vice President of Lite-On Inc. and Production Manager of Compound Semi, Inc. (CA). Prior to joining the Lite-On Group, from 1975 to 1983, Mr. Chen served as manufacturing superintendent for TI Taiwan. Mr. Chen holds a bachelor's degree in Chemical Engineering from Chinese Culture University. Lite-On Semiconductor Corp. was a company in the Lite-On Group. See Certain Relationships and Related Person Transactions - Relationships and Transactions.

Mr. Feiger is the Senior Partner with the law firm of Friedman & Feiger, LLP in Dallas, Texas. His practice is concentrated in the areas of commercial transactions, corporate structuring, mergers and acquisitions, corporate tax planning, personal estate tax and asset protection planning. He formerly served as Staff Attorney for the United States Securities & Exchange Commission in the Division of Enforcement, Special Proceedings, in Washington, D.C., and as an Assistant General Counsel for Betz Laboratories, Inc., a publicly-held company, in Philadelphia, Pennsylvania. Mr. Feiger holds the designation of Accredited Estate Planner by the National Association of Estate Planners and Councils. He is currently a member of the Dallas Estate Planning Council and formerly served as a member of the Advisory Council of The Dallas Foundation. He is admitted to the State Bar of Texas, and is also a member of the Tax Section of the State Bar of Texas and the Dallas Bar Association. Mr. Feiger received a B.S.B.A. with final honors from Washington University in St. Louis, where he became a member of Beta Gamma Sigma and Omicron Delta Kappa honor societies, and his J.D. and LL.M. in Taxation from Southern Methodist University Dedman School of Law. Mr. Robert E. Feiger will not be standing for re-election and will retire from the Board in order to resume law practice on a full-time basis.

Dr. Su served as the first and only female President in the 95-year history of the National Cheng Kung University in Taiwan from 2015 to 2023, and was a Professor of Environmental Health from 1992 to 2024. Her research efforts have primarily focused on the topic of air pollution related health effects, with a particular emphasis on the rising global awareness of airborne microbial hazards. She also served as an expert member of the committee that prepared the World Health Organization's report concerning guidelines for biological agents in indoor environments. She currently leads the strategic planning initiative for the Ministry of Education's University Academic Alliance in Taiwan and serves on the Standing Committee of Future Earth, Academia Sinica, Taipei. In 2022, Dr. Su was the first recipient from academia to be awarded the Outstanding Professional Global Corporate Sustainability Award, and in 2017, was honored by her alma mater with the Harvard T. H. Chan School of Public Health's Leadership Award in Public Health Practice. Moreover, Dr. Su was cited for her outstanding leadership among the top 100 award-winning researchers, innovators and leaders in the 2018 edition of the Asian Scientist Magazine. She also received the 2017 Outstanding Research Award from the Ministry of Science and Technology in Taiwan and was featured as one of the 10 Science Stars of East Asia for her indoor air pollution research by the leading journal Nature. Her leadership drives sustainability and resilience in a rapidly evolving global landscape.Dr. Su served as the first female President in the 85-year history of the National Cheng Kung University in Taiwan from 2015 to 2023, and was a Professor of Environmental Health from 1992 to 2024. Her research efforts have primarily focused on the topic of air pollution related health effects, with a particular emphasis on the rising global awareness of airborne microbial hazards. She also served as an expert member of the committee that prepared the World Health Organization's report concerning guidelines for biological agents in indoor environments. Dr. Su received her bachelor's degree from National Taiwan University in 1983 and doctorate from the Harvard T. H. Chan School of Public Health in 1990.

Mr. Ritter is an attorney, senior executive leader, and advocate with over 30 years of multi-industry leadership experience, including two decades in various legal, government relations, and public affairs roles with Texas Instruments. Mr. Ritter served as a key policy catalyst for Texas' rise as the leading U.S. state for advanced semiconductor manufacturing, and he led global site selection processes for multibillion-dollar investments in advanced technology manufacturing. He spearheaded the design, hiring, and management of a global public affairs team spanning Europe, India, China, and the United States, and he served as a board member of numerous business and trade associations including the US-Japan Business Council and the World Affairs Council of Dallas/Fort Worth. His policy interests include transportation and logistics, and his service in that sector includes executive management roles with Dallas/Fort Worth International Airport and appointment to the Dallas Area Rapid Transit Board of Directors. Mr. Ritter has extensive experience in non-profit management and board leadership, including as the Chairman of the Board of Directors of the United Way of Metropolitan Dallas, and as founding Chief Operating Officer of the Meadows Mental Health Policy Institute. A passionate education advocate, he is the past Chairman of the Development Board of the University of Texas at Dallas, and he presently serves as an elected trustee of Dallas College, where he chairs the Governance Committee. Mr. Ritter owns a consulting firm that assist clients with AI and blockchain enabled educational software development, and he serves as an adjunct professor with Southern Methodist University at the Moody School for Graduate and Advanced Studies. Mr. Ritter received his bachelor's and Juris Doctor degrees from the University of Maryland, and his Master of Public Affairs from the Lyndon B. Johnson School of Public Affairs at the University of Texas at Austin. He is licensed to practice law in Maryland and Texas. Mr. Philip J. Ritter has been nominated for election to the Board to serve until the next annual meeting of stockholders and until their respective successors have been elected and qualified.

Mr. White was appointed as the Company's Corporate Secretary and Special Assistant to the Chief Executive Officer in February 2019. Mr. White had previously served as the Company's Chief Financial Officer and Corporate Secretary since 2009. From 2006 to 2009, he served as Senior Vice President, Finance. Mr. White has over 40 years of senior level finance experience, including 25 years at Texas Instruments, where he served as Vice President of Finance and Production Planning for MOS memory, Controller for TI's Asia Pacific Division in Singapore, and various other financial positions in the United States, France and Germany. From 1999 to 2005, he served as the Chief Financial Officer for Optisoft, Inc., and from 2005 to 2006, he served as a Partner of Tatum, LLC. Mr. White, a licensed certified public accountant, holds a Bachelor's degree in Electrical Engineering from Oklahoma State University and an MBA from the University of Michigan.