Board of Directors

William Lei Ding, our founder, has served as our director since July 1999 and as our chief executive officer since November 2005. From March 2001 until November 2005, Mr. Ding served as our chief architect, and from June 2001 until September 2001, he served as our acting chief executive officer and acting chief operating officer. From July 1999 until March 2001, Mr. Ding served as co-chief technology officer, and from July 1999 until April 2000, he also served as our interim chief executive officer. Mr. Ding holds a Bachelor of Science degree in Communication Technology from the University of Electronic Science and Technology of China.

Alice Yu-Fen Cheng, also known as Alice Cheng, has served as our director since June 2007. Ms. Cheng has also served as a non-executive director of J&T Global Express Limited since May 2020 and as a member of its audit committee since the company listed on the Hong Kong Stock Exchange in October 2023 (HKEX: 1519). From 2005 to 2021, Ms. Cheng served as the chief financial officer of BBK Electronics Corp., Ltd., a PRC-based manufacturer of audio-visual equipment. From 2010 to 2013, Ms. Cheng served as a supervisor of Wistron Information Technology Corporation in Taiwan, an information technology company with operations in Taiwan, China and Japan. From 2002 to 2005, Ms. Cheng served as financial controller of Wistron Corporation, a Taiwanese original design manufacturer of notebook computers and other electronics. Prior to that, Ms. Cheng held various positions with Acer Inc., a Taiwanese computer manufacturer, culminating in the position of financial controller. Ms. Cheng received a Bachelor of Accounting from the Chinese Culture University in Taiwan in 1983 and a Master of Business Administration from the Thunderbird School of Global Management in Arizona in 2003. Ms. Cheng is also licensed as a certified public accountant in Taiwan and the PRC.

Grace Hui Tang has served as our director since July 2022. Ms. Tang worked at PricewaterhouseCoopers for more than 30 years, including approximately 19 years as an audit partner in Hong Kong and Chinese mainland, until her retirement in 2020. At PricewaterhouseCoopers, Ms. Tang was responsible for the audits of numerous public and private companies in Hong Kong, China mainland, the United States and other jurisdictions. Since 2009, she has also been a professor at the Guanghua School of Management of Peking University where she teaches courses on accounting and auditing for the graduate school of the accounting department and on career development. Since September 2022, Ms. Tang has been teaching accounting and auditing courses to foreign students at Beijing Foreign Studies University as a professor. In addition, Ms. Tang serves as an independent director of Brii Biosciences Ltd. (HKEX: 2137), Elkem ASA (OSLO: ELK), ECARX Holdings Inc. (Nasdaq: ECX) and Pirelli & C.S.p.A. (PIRC.MI). Ms. Tang received a bachelor’s degree in accounting from the University of Utah and an MBA degree from Utah State University. Ms. Tang is a US certified public accountant and a fellow of the Hong Kong Institute of Certified Public Accountants.

Joseph Tze Kay Tong, also known as Joseph Tong, has served as our director since March 2003. From January 2003 to November 2021, Mr. Tong was a director of Parworld Investment Management Limited, which provides financial and investment advisory services. From December 2002 until April 2004, Mr. Tong was engaged in establishing offices and operations in Hong Kong and China mainland, setting up accounting and internal control policies and overseeing the overall operations for TLM Apparel Co., Ltd., a garment trading company operating in Hong Kong and China mainland which he co-founded. Prior to that, from September 2000 to September 2002, Mr. Tong was the e-commerce director of the Asia Region for Universal Music Limited where he was responsible for forming e-business development strategies and overseeing new promotional opportunities. Mr. Tong received a Bachelor of Social Science degree with honors in Accounting and Statistics from the University of Southampton, England. He is a member of the American Institute of Certified Public Accountants, an associate member of the Hong Kong Institute of Certified Public Accountants.

Kok Chung Johnny Chan, also known as Johnny Chan, has served as our director since August 2025. Mr. Chan has over 40 years of experience in the investment banking and investment management industry. Mr. Chan is currently the chief investment officer of the Hong Kong Cyberport Management Company, a position he has held since September 2018. He has also served as an independent non-executive director of CNQC International Holdings Ltd. (HKEX: 1240) since January 2016, Hangzhou SF Intra-city Industrial Co., Ltd. (HKEX: 9699) since November 2021, and the HSBC Provident Fund Trustee (Hong Kong) Limited, a member of HSBC Holdings, since January 2021 (and as chairman of its Investment Committee since May 2024). In addition, Mr. Chan has been a member of the Market Misconduct Tribunal, established under the Securities and Futures Ordinance of Hong Kong, a director of the Accounting and Financial Reporting Council, and a panel member of the Securities and Futures Appeals Tribunal since January 2023, October 2024 and April 2025, respectively. He is also president and executive director of the Hong Kong Venture Capital and Private Equity Association and chairman of the Global Venture Capital Congress. Previously, Mr. Chan was a member of the Listing Committee of the Stock Exchange of Hong Kong from July 2020 to July 2024, serving as its deputy chairman from July 2022 to July 2024. Prior to that, he was the chief investment officer of Softech Investment Management Ltd., the manager of the Hong Kong Government Applied Research Fund, from 2000 to 2019, a co-founder and director of Techpacific Capital Limited, which became Crosby Capital Limited, and chairman and chief investment officer of Crosby Asset Management (Hong Kong) Limited from 2002 to 2016. Mr. Chan received a bachelor’s degree (majoring in economics) from City of London Polytechnic (now London Metropolitan University) in July 1982, a master’s degree in business administration from City University London in November 1983 and a postgraduate diploma from the Securities Institute of Australia (now The Financial Services Institute of Australasia (FINSIA)) in April 1989.

Michael Man Kit Leung, also known as Michael Leung, has served as our director since July 2002. Mr. Leung was a responsible officer of Grand Moore Capital Limited from September 2019 to November 2021. Mr. Leung was appointed executive director of Unitas Holdings Limited (stock code: 8020) from September 2011 to November 2018, and served as a responsible officer from May 2011 to November 2018 of Chanceton Capital Partners Limited, a subsidiary of Unitas Holdings Limited. Previously, Mr. Leung was a director of Emerging Markets Partnership (Hong Kong) Limited, the principal adviser to the AIG Infrastructure Fund L.P., in 1999. Mr. Leung also held senior positions in the Hong Kong Branch of the Swiss Bank Corporation, SG Securities (HK) Limited (formerly known as Crosby Securities (Hong Kong) Limited) and Peregrine Capital Limited. Mr. Leung currently is an independent non-executive director and chairman of the audit committee for Orange Sky Golden Harvest Entertainment (Holdings) Limited (stock code: 1132) and Luye Pharma Group Ltd. (stock code: 2186), all of which are companies listed on the Hong Kong Stock Exchange. Mr. Leung also serves as an independent non-executive director on the board of China Ting Group Holdings Limited (stock code: 3398), a company listed on the Hong Kong Stock Exchange. Mr. Leung received a Bachelor’s Degree in Social Sciences from the University of Hong Kong in October 1977 with a major in Accounting, Management and Statistics.