Nasdaq:US$10.87 (-0.30) | HKEX:HK$17.64 (-0.22) | AIM:£1.62 (-0.11)
Board of Directors

Dr. Dan ELDAR

Chairman and Non-executive Director

Dr Dan Eldar, aged 72, has been a Non-executive Director of the Company since 2016. He is also the Chairman of the Board, and a member of the Nomination Committee and Technical Committee of the Company. He has more than 30 years of experience as a senior executive, leading global operations in biotechnology, healthcare, telecommunications and water. He is an executive director of Hutchison Water Israel E.P.C Ltd, an associate of CK Hutchison Holdings Limited (“CKHH”) Group, which focuses on large scale desalination and hydro-electric projects. Dr Eldar is a director of certain companies controlled by certain substantial shareholders (within the meaning of the Securities and Futures Ordinance (Chapter 571 of the Laws of Hong Kong), the “SFO”) of the Company.

Dr Eldar received a Doctor of Philosophy degree in Government from Harvard University, Master of Arts degree in Government from Harvard University, Master of Arts degree in Political Science and Public Administration from the Hebrew University of Jerusalem and a Bachelor of Arts degree in Political Science from the Hebrew University of Jerusalem.

Dr. Weiguo SU

Executive Director, Chief Executive Officer (currently on leave of absence) and Chief Scientific Officer

Dr Weiguo Su, aged 68, has been an Executive Director since 2017 and Chief Executive Officer of the Company since 2022. He has also been Chief Scientific Officer of the Company since 2012 and a member of the Technical Committee of the Company. Dr Su has headed all drug discovery and research since he joined the Company, including master-minding the scientific strategy of the Company, being a key leader of the Oncology/Immunology operations, and responsible for the discovery of each and every small molecule drug candidate in our pipeline. Prior to joining the Company in 2005, Dr Su worked with the US research and development department of Pfizer, Inc. He is currently a director of ImageneBio, Inc.

In 2017, Dr Su was granted the prestigious award by the China Pharmaceutical Innovation and Research Development Association (PhIRDA) as one of the Most Influential Drug R&D Leaders in China. He was also awarded as one of the 2025 Forbes China 100 Most Influential Chinese Selection.

Dr Su received a Bachelor of Science degree in Chemistry from Fudan University in Shanghai and completed a PhD and Post-Doctoral Fellowship in Chemistry at Harvard University under the guidance of Nobel Laureate Professor E. J. Corey.

Mr. Johnny CHENG

Executive Director, Acting Chief Executive Officer and Chief Financial Officer

Mr Johnny Cheng, aged 59, has been an Executive Director since 2011 and Chief Financial Officer of the Company since 2008. He was appointed as Acting Chief Executive Officer in August 2025 and he is also a member of the Sustainability Committee of the Company.

Prior to joining the Company, Mr Cheng was vice president, finance of Bristol Myers Squibb in China, a director of Sino-American Shanghai Squibb Pharmaceuticals Ltd. and Bristol-Myers Squibb (China) Investment Co. Ltd. in Shanghai between late 2006 and 2008.

Mr Cheng started his career as an auditor with Price Waterhouse (currently PricewaterhouseCoopers) in Australia and then KPMG in Beijing before spending eight years with Nestlé China where he was in charge of a number of finance and control functions in various operations. Mr Cheng received a Bachelor of Economics, Accounting Major from the University of Adelaide and is an associate of Chartered Accountants Australia and New Zealand (“CAANZ”).

Ms. Edith SHIH

Non-executive Director and Company Secretary

Ms Edith Shih, aged 74, has been a Non-executive Director since 2006, the Company Secretary of the Company and the company secretary of Group companies since 2000. She is also chairman of the Sustainability Committee and a member of the Remuneration Committee of the Company. She has over 40 years of experience in legal, regulatory, corporate finance, compliance and corporate governance fields. She is also executive director and company secretary of CKHH and has been with the Cheung Kong (Holdings) Limited (“CKH”) group since 1989 and with Hutchison Whampoa Limited (“HWL”) since 1991. Both CKH and HWL were formerly listed on The Stock Exchange of Hong Kong Limited (“HKEX”) and became wholly-owned subsidiaries of CKHH in 2015. She has acted in various capacities within the HWL group, including head group general counsel from 1993 to June 2015 and company secretary since 1997. Ms Shih is in addition a non-executive director of Hutchison Telecommunications Hong Kong Holdings Limited, Hutchison Port Holdings Management Pte. Limited as the trustee-manager of Hutchison Port Holdings Trust and a commissioner of PT Duta Intidaya Tbk. In addition, Ms Shih is a director of certain substantial shareholders (within the meaning of the SFO) of the Company and certain companies controlled by certain substantial shareholders of the Company. The aforementioned companies are either subsidiaries or associated companies of CKHH of which Ms Shih has oversight as a director of CKHH.

Ms Shih holds a Bachelor of Science degree and a Master of Arts degree from the University of the Philippines as well as a Master of Arts degree and a Master of Education degree from Columbia University, New York. She is a solicitor qualified in England and Wales, Hong Kong and Victoria, Australia. She is also a fellow of both The Chartered Governance Institute (“CGI”) and The Hong Kong Chartered Governance Institute (“HKCGI”), holding Chartered Secretary and Chartered Governance Professional dual designations.

Ms Shih is a past international president and current member of the Council of CGI as well as a past president and current honorary advisor of HKCGI. Further, she is also chairman of the Process Review Panel for the Accounting and Financial Reporting Council and vice-chairman of the Council of The Hong Kong University of Science and Technology.

Ms. Ling YANG

Non-executive Director

Ms Ling Yang, aged 46, has been a Non-executive Director of the Company since 2023. She has been the managing director of Carlyle since 2017 and its Head of China since 2024 and co-head of Carlyle Asia Healthcare since 2021, in charge of advising in healthcare investment and portfolio activities of Carlyle in China. She is also chairwoman and non-executive director of ADICON Holdings Limited.

Prior to Carlyle Group, Ms Yang worked in private equity at KKR Asia Limited and investment banking at Goldman Sachs in the US. She was formerly a director of Shenzhen Salubris Pharmaceuticals Co., Ltd.

Ms Yang graduated summa cum laude and is a member of Phi Beta Kappa with a Bachelor’s degree in Economics and Computer Science from Smith College and received her Master of Business Administration degree from Harvard Business School.

Dr. Renu BHATIA

Senior and Lead Independent Non-executive Director

Dr Renu Bhatia, aged 66, has been an Independent Non-executive Director of the Company since May 2024 and was appointed as the Senior and Lead Independent Non-executive Director of the Company since May 2026. She is also chairman of the Remuneration Committee and the Nomination Committee as well as a member of the Audit Committee and Technical Committee of the Company. She is also chairman and co-founder of Opharmic Technology (HK) Ltd, a company focusing on the development of ultrasound technology for non-invasive drug delivery to the eyes and co-founder of Asia Fintech Angels which invests in early stage fintech companies. In addition, Dr Bhatia is an independent non-executive director of Overstone Associates Limited, a UK based data science provider to financial institutions focused on the art industry.

Dr Bhatia holds positions in public service including membership of the Business Professional Federation Healthcare Committee and assessor for the Hong Kong Enterprise Support Scheme Assessment Panel of the Innovation and Technology Fund. She is also a co-opted member of the Knowledge Transfer Committee of the Hong Kong University of Science and Technology. She was formerly the chairman of the Listing Committee of HKEX and a member of the Board of Review (Inland Revenue Ordinance) and the Cyberport Entrepreneurship Centre Advisory Group. Dr Bhatia started her career in finance at Goldman Sachs and HSBC Asset Management.

Dr Bhatia is a Doctor of Medicine (MBBS) from the University of London and holds a Master of Business Administration degree from Yale University, and a Postgraduate Diploma in Therapeutics and Medicine from The University of Hong Kong.

Dr. Chaohong HU

Independent Non-executive Director

Dr Chaohong Hu, aged 60, has been an Independent Non-executive Director of the Company since November 2024. She is also chairman of the Technical Committee as well as a member of the Audit Committee and Nomination Committee of the Company. Dr Hu has over 20 years of experience in the development of therapeutic antibodies, antibody-drug conjugates, and vaccines. Throughout her career, she has demonstrated strong leadership and innovative capabilities, leading various research and development initiatives. Dr Hu’s expertise spans from early-stage discovery to clinical development and commercialization. She also has a proven track record of successful business development and strategic partnerships, including out-licensing and collaboration.

She is currently chief operating officer of D Biotherapeutics, LLC and an owner and principal consultant of Lakebio Consulting, LLC. She was previously executive director and co-chief executive officer of Lepu Biopharma Co., Ltd. from 2020 to 2024. She was also chief executive officer and chairman of the board of Shanghai Miracogen Іnc., a company founded by Dr Hu, focusing on the research and development, clinical study and industrialization of new drugs for targeted cancer therapy – antibody-drug conjugates, from 2014 to 2024. Prior to founding Shanghai Miracogen Іnc., the interests of which she disposed of in 2020, Dr Hu served as a director of the Bioassay Development and Process Analytics department at Seagen Іnc., director of Molecular Biology and Clinical Іmmunology department of GlaxoSmithKline plc (currently GSK plc) and research scientist and director of Molecular Biology and Clinical Іmmunology department of ІD Biomedical Corporation.

Dr Hu holds a Bachelor of Science degree in biochemistry from Wuhan University and a PhD in molecular biology from Іnstitute of Biophysics, Chinese Academy of Sciences. She was also a postdoctoral fellow of the University of Washington.

Mr. WONG Tak Wai

Independent Non-executive Director

Mr Wong Tak Wai (Mr Alvin Wong), aged 69, has been an Independent Non-executive Director of the Company since March 2025. He is also chairman of the Audit Committee and a member of the Remuneration Committee of the Company. Mr Wong has over 35 years of extensive experience in accounting, auditing and corporate finance. He has acted in a pivotal role in assisting companies with their stock exchange listings and has been instrumental in completing numerous mergers and acquisitions. After a distinguished career spanning more than three decades, Mr Wong retired as a partner of PricewaterhouseCoopers in 2017.

Mr Wong is currently a non-executive director of Melbourne Enterprises Limited. He was president and council member of the Hong Kong Institute of Certified Public Accountants (“HKICPA”), chairman of the HKICPA auditing standards committee, and member of various committees of the International Federation of Accountants. He was also a member of the Sustainable Agricultural Development Fund Advisory Committee.

Mr Wong holds a Bachelor of Commerce degree from University of Otago, New Zealand and is a fellow of the HKICPA and an associate of CAANZ.

Professor TAN Shao Weng, Daniel

Independent Non-executive Director

Professor Tan Shao Weng, Daniel, aged 48, has been an Independent Non-executive Director of the Company since October 2025. He is also a member of the Technical Committee and the Sustainability Committee of the Company. Professor Tan has over 20 years of experience in oncology, with his main research interests focusing on thoracic, head and neck malignancies, and drug development. He is the head of the Division of Clinical Trials and Epidemiological Sciences and a senior consultant in the Division of Medical Oncology at the National Cancer Centre Singapore (“NCCS”). He is also a professor at Duke-NUS Medical School and serves as a senior clinician-scientist at the Genome Іnstitute of Singapore.

Professor Tan currently leads the Experimental Cancer Therapeutics Unit (ECRU) at the NCCS, one of Asia’s largest Phase І units, which runs approximately 30–40 trials at any time. He is also the principal іnvestigator of the Cancer Therapeutics Research Laboratory at NCCS focused on developing representative patient-derived preclinical models to study drug response and resistance, complementing his leadership in multiple biomarker-driven early-phase and first-in-human clinical trials. He currently serves as the principal investigator of the National Medical Research Council Lung Cancer Large Collaborative Grant in Singapore (2025-2029 and previously 2019–2023) and chairs the Asian Thoracic Oncology Research Group, a regional platform for translational research and clinical trials.

Professor Tan has published extensively, contributing to over 200 peer-reviewed articles including leading journals such as Nature, Nature Medicine, New England Journal of Medicine, and The Lancet Oncology. He has also held leadership roles in global oncology forums, including chair of the ІASLC Education Committee and co-chair of the World Conference on Lung Cancer (WCLC). He currently serves as associate editor for the Journal of Thoracic Oncology, scientific editor for Cancer Discovery and senior editor for Clinical Cancer Research. He is a member of the American Association of Cancer Research (AACR), the ASCO, the ESMO, ІASLC and the Singapore Society of Oncology of which he was also a past secretary.

Professor Tan holds a Bachelor of Science degree with first class honors in tumor biology from University College London, University of London, a Bachelor of Medicine and Bachelor of Surgery from St Bartholomew’s and the Royal London School of Medicine and Dentistry, as well as a PhD from the National University of Singapore. He is a member of the Royal College of Physicians of the United Kingdom.