Collaborating with Professor William Stanley Peart, he purified the peptide hormone angiotensin, solidifying Dato’ Dr. Gan’s international authority on the renin-angiotensin system.
His efforts led to the establishment of the Clinical Pharmacy Programme and the Masters in Clinical Pharmacy Programme at Universiti Sains Malaysia, along with the Bioequivalent Studies Laboratory.
Apart from his role as a member of the International Health Advisory Panel by the United States Pharmacopeia Convention (USP), Dato’ Dr. Gan holds an advisory role with the Malaysian Society of Pharmaceutical Trade and Manufacturers Association.
From 2000 to 2013, Dato’ Dr. Gan led the development of USAINS Group as the Founding Group Managing Director. His strategic direction transformed USAINS into a successful model for public-private partnerships in R&D, earning recognition from international agencies such as the International Atomic Energy Agency, World Health Organisation, and the Rockefeller Foundation.