Dr. Lu was elected Chairman of the Board in May 2020 after serving on the Board since 2001, served as Chief Executive Officer of the Company from June 2005 to May 2025, and served as President from June 2005 through 2023. From 2001 to 2005, he was a partner of the WK Technology Venture Fund. Prior to that, he served as Senior Vice President and General Manager of Worldwide Mixed-Signal and Logic Products of Texas Instruments (“TI”). His responsibilities included all aspects of the analog, mixed-signal, and logic products for the company’s worldwide business, including design, process, and product development, manufacturing, and marketing. He previously was manager of the worldwide memory business and served as the President of TI Asia. Dr. Lu is also a board member of Lite-On Technology Corporation, a publicly held company. He is also the founding Chairman of the Asian American Citizen’s Council.
Dr. Lu holds a bachelor’s degree in Electrical Engineering from National Cheng Kung University in Taiwan, and a master’s degree and a doctorate in Electrical Engineering from Texas Tech University. He has also been awarded an honorary doctorate in Engineering from National Cheng Kung University.
Having worked in the semiconductor industry for more than 40 years and, particularly, having served in various managerial and senior executive capacities at TI, Dr. Lu possesses a wealth of semiconductor management experience. Dr. Lu is also an experienced board leader and member, having served for many years on behalf of several public and private companies.
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. 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. Button is not related to Mr. Warren Chen.
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 locations in Texas 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 candidate for 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 since 2014 and stepped down on July 31, 2020. He joined the Lite-On Group in 1983 and has 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, 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. Chen’s approximately 45 years of management experience in the electronics industry and the global supply chain provides the Board with perspective on the future trends and challenges in the semiconductor industry.
Mr. Chen is not related to Ms. Angie Chen Button.
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, and corporate tax 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.
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.
In 2022, Dr. Su was 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.
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. 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.
