Mr. Jingsong Wang, M.D., Ph.D. (王劲松), is an executive Director, the chief executive officer and chairman of the Board of our Company. Dr. Wang is also a director of HBM Holdings BVI and HBM Therapeutics, as well as the legal representative and chief executive officer of HBM Shanghai, HBM Suzhou and HBM Beijing. Dr. Wang was the associate director of translational medicine at Wyeth from July 2005 to May 2007. After that, he served as director of clinical discovery immunology at Bristol-Myers Squibb from June 2007 to November 2011. From November 2011 to December 2015, Dr. Wang served as the head of China research and development at Sanofi. Dr. Wang served as an independent Director of XINJIANG BAI HUA CUN PHARMA TECH Co., LTD ("新疆百花村醫藥集團股份有限公司", SSE: 600721) from September 2021 to August 2024. He has served as an independent non-executive director of Frontage Holdings Corporation (HKEX:1521) since April 2018. He has also served as an independent non-executive director of InSilico Medicine (英矽智能, HKEX: 3696). He also served as an independent non-executive director of Silicon Therapeutics from August 2016 to February 2021 (acquired by Roivant Sciences). Dr. Wang received his M.D. in clinical medicine from Xuzhou Medical College in China in June 1986, his master's degree in medical science (immunology) from Jilin University in China in July 1989, and his Ph.D. in molecular pharmacology from China Pharmaceutical University in China in July 2011. Dr. Wang also obtained a physician qualification awarded by the Commonwealth of Massachusetts Board of Registration in Medicine in May 2002, as well as a Diplomate in Internal Medicine and a Diplomate in Rheumatology, both awarded by the American Board of Internal Medicine in 2003 and 2004 respectively. He obtained an unrestricted licensure in medicine awarded by the State Board of Medicine of the Commonwealth of Pennsylvania in 2005. In addition, Dr. Wang served as a research/clinical fellow in rheumatology at Brigham and Women's Hospital and Harvard Medical School from June 2001 to June 2005.

Mr. Youchen Chen, M.B.A. (陈侑晨), is an executive Director and the chief financial officer of our Company. Mr. Chen joined the Group in October 2023 as vice president of finance, corporate development and capital markets and served in such capacity until April 2025. He has served as the chief financial officer of the Company since April 2025.

Prior to joining the Group, Mr. Chen served as a vice president in the Investment Banking and Capital Markets division of Credit Suisse Securities (China) Limited from June 2021 to March 2023, covering the healthcare, life sciences and technology sectors in Greater China. From June 2020 to April 2021, he served as head of corporate finance of Yidu Tech Inc. (HKEX: 2158). From July 2017 to June 2020, he worked in the investment banking division of Credit Suisse Securities (China) Limited as a senior associate. He also worked in the audit department of KPMG Huazhen LLP, Shanghai Branch from October 2011 to April 2014, where his last position was assistant manager. Mr. Chen received his Bachelor of Laws degree from Fudan University in China in July 2011 and his Master of Business Administration degree from Georgetown University in the United States in May 2017. He was granted the Hong Kong Securities Industry Practitioner Qualification recognized by the Securities and Futures Commission of Hong Kong and also holds securities practitioner qualifications in the PRC.

Mr. Ian Yi Liu, Ph.D., J.D. (刘毅), is an executive Director, senior vice president and global head of legal, and a joint company secretary of our Company. Dr. Liu joined the Company in March 2025 as senior vice president and global head of legal and has served as a joint company secretary of the Company since June 2025. 

Prior to joining the Group, Dr. Liu served as head of legal and government affairs and head of operations of Simcere of America, Inc., a member of Simcere Pharmaceutical Group Limited (HKEX: 2096), from March 2021 to March 2025. From April 2017 to March 2021, he served as general legal counsel and company secretary of Breas Medical Holdings AB, a member of Shanghai Fosun Pharmaceutical (Group) Co., Ltd. (HKEX: 2196; SSE: 600196). Dr. Liu previously served as executive director of legal affairs and corporate administration of Boston Biomedical, Inc. from February 2015 to April 2017 and as senior counsel of Idenix Pharmaceuticals, Inc. from February 2014 to December 2014. He also practiced law at Finnegan, Henderson, Farabow, Garrett & Dunner LLP from November 2008 to February 2014 and at K&L Gates LLP from November 2006 to October 2008. Dr. Liu became a member of the Bar in the Commonwealth of Massachusetts in 2006. He received his Bachelor of Science degree in chemistry from Fudan University in China in May 1993, his Ph.D. in chemistry from Worcester Polytechnic Institute in the United States in May 2002, and his Juris Doctor degree from Suffolk University Law School in the United States in May 2006.

Ms. Weiwei Chen (陈维维), is an independent non-executive Director of our Company. Ms. Chen joined Sanofi Group in February 2004 as chief financial officer (China) and had subsequently served as the chief financial officer (Asia) since April 2011 until her departure in June 2012. Ms. Chen then served as the chief financial officer of Yum! Brands, Inc. (China Division) between July 2012 and May 2015. Subsequently, she joined Starbucks (China) where she has served as vice president and chief financial officer since June 2015. Ms. Chen received her bachelor’s degree in accountancy from the University of Illinois in the United States in May 1993 and her master of administration degree from Rutgers University in the United States in October 2002. During the past three years, Ms. Chen has not been a director of any listed companies.

Mr. Robert Irwin Kamen, Ph.D., is an independent non-executive Director of our Company. He also served as a director of Harbour Antibodies from December 2007 to December 2016 prior to the acquisition of Harbour Antibodies by our Group. Dr. Kamen has served as an independent Director on our Board as well as a member of our scientific advisory board since December 2016. He provides our Group with independent consulting and advisory services and is not involved in the day-to-day management of the Group. Dr. Kamen was the head of the transcription laboratory and a principle investigator of the Imperial Cancer Research Fund from 1976 to 1982, after which he served as the senior vice president of scientific affairs at Genetics Institute, Inc. from 1982 to 1989, where he was the overall head of research and development. He then served as the president of the BASF Research Corporation from 1991 to 2000, and the president and unit head of the Abbott Bioresearch Center, where he was also a member of the Abbott Labs executive committee, from 2000 to 2002. Dr. Kamen served as an executive in residence at Oxford Bioscience Partners, a venture capital firm, from 2002 to 2008. He has served as a venture partner at Third Rock Ventures since 2010. Dr. Kamen has served as a director of the following listed companies: Jounce Therapeutics (NASDAQ:JNCE), since June 2013; Neon Therapeutics (which was formerly NASDAQ-listed with ticker symbol NTGN and subsequently acquired by Biopharmaceutical New Technologies (NASDAQ:BNTX), in May 2020), since October 2015.

Dr. Kamen received his bachelor’s degree of arts in biophysics from Amherst College in the United States in 1965 and his Ph.D. in biochemistry and molecular biology from the Harvard University Graduate School of Arts and Sciences in the United States in 1970. He has also been a member of the European Molecular Biology Organization since 1976.

Mr. Xiaoping Ye, Ph.D. (叶小平), is an independence non-executive Director of our Company. From March 2005 to September 2010, Dr. Ye served successively as manager, director and general manager at Hangzhou Tigermed Limited, the predecessor of Hangzhou Tigermed Consulting Co., Ltd. (“Hangzhou Tigermed”). After the incorporation of Hangzhou Tigermed in September 2010, he served as the general manager from September 2010 to April 2019. He has served as the chairman of the board and a director of Hangzhou Tigermed since its incorporation in September 2010 and also as an executive director since April 2020. Dr. Ye is also the chairman of the Strategy Development Committee of Hangzhou Tigermed. Dr. Ye has served as a director of Di’an Diagnostics (SZSE: 300244) since March 2020 and Coland Holdings Limited (TWSE: 4144) since December 2010. Dr. Ye also served as a director of Shanghai Lide Biotech Co., Ltd., the shares of which ceased to be quoted on the National Equities Exchange and Quotations in April 2019. Dr. Ye received his Ph.D. in immunology from Oxford University in April 2001.

Dr. Collinson, aged 65, has over 30 years of experience in the pharmaceutical and biotechnology industries. Dr. Collinson has been the president and chief executive officer at Theracos, Inc. since July 2009, a pharmaceutical research and development company focusing on mid- to late- stage assets for the treatment of human diseases including type-2 diabetes. Prior to joining the Group, Dr. Collinson founded and served as president and chief executive officer of Opsonic Therapeutics from 2009 to June 2014, a privately held biotechnology company engaged in the development of the next generation of antibody therapeutics. Dr. Collinson also served as the chief business officer of Rib-X Pharmaceuticals from 2004 to 2009, the senior vice president of business development at Phylos, Inc. from 2000 to 2004, and the vice president of global research & development licensing at BASF Pharma from 1998 to 2000. Dr. Collinson began his career as a scientist at ImmunoGen, Inc..

Dr. Collinson received his Ph.D. in Biochemistry from Brandeis University in 1987 and his bachelor’s degree in science in Biology (General) from the University of Rhode Island in 1980. Dr. Collinson was a post-doctoral fellow at the Dana Farber Cancer Institute and Harvard Medical School.