Management

Keelung Hong, PhD
Founder, Chairman & CEO

Dr. Hong founded TLC in 1997 and has served as our Chairman of the board of directors since 2002 and Chief Executive Officer since 2005. He is the co-inventor of TLC's NanoX® technology. Prior to serving as CEO, Dr. Hong served as our Science and Technology Adviser from 1997 to 2004. Dr. Hong co-founded Hermes Biosciences, Inc. and served as its Chief Scientific Officer from 1999 to 2005. Before venturing into the world of drug development, Dr. Hong was a Research Scientist for the California Pacific Medical Center Research Institute from 1998 to 2002, prior to which he was a Scientist at the Liposome Research Laboratory at the Cancer Research Institute of the University of California, San Francisco from 1979 to 1998. Dr. Hong has also served as consultant to various biopharmaceutical companies over the years.

Dr. Hong received his PhD in Chemistry from the University of California, Berkeley, his MS in Chemistry from the University of Texas at El Paso, and his BS in Chemistry from Taiwan Cheng Kung University.

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George Yeh, MBA
President

Mr. Yeh has served as the President of TLC since 2002. Prior to joining TLC, Mr. Yeh was Vice President of AsiaWired Group, Inc., a venture advisory company, from 1999 to 2002. Before AsiaWired Group, Mr. Yeh was an associate at General Bank, a US-based commercial bank. Mr. Yeh also served as the Chief Financial Officer of Hermes Biosciences, Inc. from 2002 to 2005, where he first started working alongside Dr. Keelung Hong.

Mr. Yeh received his Master of Architecture and MBA from the University of Michigan - Ann Arbor. He received his BA in Architecture from the University of California, Berkeley.

George Spencer-Green, MD, MS
Chief Medical Officer

Dr. Spencer-Green brings with him experience as the prior Vice President and clinical head of Pfizer’s biosimilars development program, where he led the team that designed and initiated clinical development plans from Phase 1 to Phase 3 for five assets. Prior to Pfizer, he served as the Senior Medical Director at Vertex Pharmaceuticals, where he led the design and execution of clinical development programs in rheumatoid arthritis and cystic fibrosis. Prior to Vertex, he was the Global Medical Director at Abbott Laboratories, and was the clinical lead for the rheumatoid arthritis registration and long-term extension programs for Humira. At Immunex Corporation, where he worked prior to Abbott Laboratories, he was Franchise Medical Director for Enbrel, the first targeted biologic treatment approved for the treatment of rheumatoid arthritis.

Dr. Spencer-Green received his BA from Oberlin College, his MD from Columbia University College of Physicians and Surgeons, and his MS in Clinical Evaluative Science from Dartmouth College.

Sheue Fang Shih, PhD
VP of Product Development

Dr. Shih joined TLC in 2002 and is the inventor of TLC's BioSeizer® technology. Dr. Shih's research focuses on the development of protein drug delivery, antibody discovery and targeted drug delivery with immunoliposomes. In her role as Manager/Project Leader, Dr. Shih led various research and development programs in areas of retinal diseases and arthritis and received IND approvals from the US FDA as well as Taiwan FDA. Her current role specializes in drug development, product development strategy, non-clinical and clinical operations as well as planning. Dr. Shih has authored a number of scientific publications and is the inventor of a novel anti-VEGF antibody and several drug delivery patents.

Dr. Shih received her PhD and completed postdoctoral research from the Department of Biochemistry at National Taiwan University’s College of Medicine.

Vincent Chang, PhD
VP of CMC & QA

Dr. Chang has over 35 years’ experience in process development, project management and quality assurance. Prior to joining TLC, Dr. Chang ran a consulting firm that performed quality audits and worked with clients on quality improvement and various CMC issues. Before that, he had been with Abbott for 25 years. In his last role at Abbott, he was responsible for the quality assurance of contract manufacturing from API to a wide range of dosage forms of drug products.

Dr. Chang received his MSc in inorganic chemistry from the University of Missouri – St. Louis and his PhD in organic chemistry from Duke University.

Yunlong Tseng, PhD
VP of Research & Development

Dr. Tseng is the co-inventor of TLC's NanoX® technology and has served as our Vice President of Research and Development since January 2014. Prior to holding that position, Dr. Tseng was our Director of Research and Development from 2002 to December 2013. Prior to joining TLC, Dr. Tseng conducted his postdoctoral research at the Department of Oncology at National Taiwan University Hospital.

Dr. Tseng received his PhD in Biochemistry from National Taiwan University, College of Medicine, and his BS in Chemistry from Tamkang University, Taiwan.

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Amanda Sung, MBA
VP of Finance

Ms. Sung has served as our Head of Finance since May 2024 with primary responsibility for leading TLC’s financial strategy and overseeing all the finance activities of the company, including financial planning and analysis, treasury, accounting, taxation, and capital market related matters. Before joining us, she served as financial executive in Taiwan and U.S. listed companies. Before that, she played a partner role in Big 4 accounting firms based in Taiwan and Mainland China, and focused on U.S. capital markets related professional services.

Ms. Sung holds a Master’s degree in Accounting from National Taiwan University and a Bachelor's degree in Public Finance from National Cheng-Chi University. She is a Certified Public Accountant of California and Member of AICPA.
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Terry Tai, MD
Director of Regulatory Affairs

Dr. Tai has more than 10 years of experience in regulatory science as a medical reviewer and consultant at the Center for Drug Evaluation (CDE), Taiwan. In the role of Senior Medical Reviewer/IND Review Team Leader, Dr. Tai has reviewed more than 200 IND cases and was instrumental in developing multiple TFDA draft guidance documents for new drug development. As the Consultation Center’s Director, he provided scientific and strategic leadership to a multidisciplinary (CMC/PT/PK/Clinical/Stat.) regulatory consultation team consisting of senior reviewers and project managers and offered integrated consultation services to new drug development pipelines from pharmaceutical industries/research institutes. Dr. Tai was designated as the principal investigator/co-PI in multiple government-sponsored programs, such as the TFDA-sponsored “Cross-strait Cooperation Agreement on Medicine and Public Health Affairs”, where he led the collaboration between the TFDA/CDE and CFDA-CDE to execute the Cross-strait Collaborative Platform on Technical Review of Drug and provided Mainland China Regulatory Consultation Service to domestic pharmaceutical companies interested in submitting a CTA/NDA/ANDA to the CFDA.

Dr. Tai received his MD from Taipei Medical University and practiced at Mackay Memorial Hospital and Chung-Shan Medical University Hospital. He has been a board-certified physician of Physical Medicine & Rehabilitation since 2004.

Bella Kuo
Director of Alliance Management

Ms. Kuo has decades years of experience in the pharmaceutical industry. Prior to joining TLC, Ms. Kuo was the associate head of project management, responsible for project/grant management at PharmaEngine Inc. Prior to PharmaEngine, Ms. Kuo was Project Manager at TTY Biopharm Co., Ltd., where she established the R&D management process and was responsible for the management of SBIR’s small chemical compound projects and liposome formulation grant projects. At TTY Biopharm, Ms. Kuo successfully assisted the company in winning the Industrial Technology Development Award of Ministry of Economic Affairs. Before TTY Biopharm, Ms. Kuo assisted government-sponsored projects such as pharmaceutical facility audits, cGMP guideline drafting and training programs at the Pharmaceutical Industry Technology Development Center and Taiwan Parenteral Drug Association.

Ms. Kuo holds a bachelor’s degree from the Department of Animal Science and Technology, National Taiwan University. She also holds a graduate certificate in Engineering and Technology Management from George Washington University.

Paige Tsai
Director of Human Resources

Ms. Tsai joined TLC in 2022 as a seasoned HR professional with nearly 20 years of diverse work experience across various functions in multinational companies. Ms. Tsai was most recently the Director of Human Resources and Administration at Zuellig Pharma Inc., where she oversaw all aspects of HR activities for over 800 employees and helped company won HR Asia Best Companies to Work for and WeCare Awards for 2 consecutive years. Ms. Tsai accrued invaluable experience and expertise including communication and coaching skills from her HR roles at IQVIA and Bausch + Lomb, as well as from her customer relations and legal roles at Procter & Gamble Co., ING Group, and the Taiwan FDA. Passion, Authenticity, Integrity, Generosity, and Edge spell out Ms. Paige Tsai’s name and personality, and with these traits, her vision is to influence others in a positive way that brings out the best in people.

Ms. Tsai received her Master of Laws degree at Santa Clara University in California, her MBA in Risk Management and Insurance at National Cheng-Chi University, and her Bachelor’s in Laws at National Taipei University.

Wayne Liao, PhD
Director of Operations, United States

Dr. Liao has more than 17 years of experience in biotech and pharmaceutical industries. Prior to joining TLC, he held R&D and product development positions at Deltagen, PhalanxBio, and Verinata (now Illumina). Dr. Liao joined TLC in 2007 and was a part of various drug development programs at IND or ANDA stages. Dr. Liao is currently managing TLC’s US subsidiary in South San Francisco focusing on early development of pharmaceutical products.

Dr. Liao received his PhD in Pharmaceutical Science at USC and conducted research at UCSF Department of Biochemistry as an American Heart Association Postdoctoral Fellow.