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Cornellians in Private Equity

Dr. Keyoung


Managing Partner
Portola Capital Partners (San Francisco, CA)


Dr. Michael Keyoung is Managing Partner of Portola Capital Partners.  Dr. Keyoung is also President of Catalyst  Biosciences Asia. Previously, Dr. Keyoung served as a Director at Burrill Private Equity and a Managing Director at Burrill Venture Capital. Dr. Keyoung was also the Managing Director at Burrill Pan-Asia. He has more than 15 years of healthcare and life sciences experience through his role as scientist, surgeon, consultant and investor. At Burrill & Company, Dr. Keyoung managed Burrill’s Pan-Asia Equity Fund, oversaw United States and European public portfolio companies and led Pan-Asia transaction business as well as the global arbitrage efforts across multiple countries in Asia. Previously, he was a Co-Founder of a life sciences healthcare investment partnership in New York. Dr. Keyoung also served as an Advisor and Consultant to leading life sciences venture capital firms, medical devices, pharma, and biotechnology companies. Previously, he was a Howard Hughes Medical Institute fellow and received his clinical surgical training at University of California, San Francisco and biomedical fellowship at Memorial Sloan Kettering Institute and Rockefeller University in New York. Dr. Keyoung performed preclinical drug discovery research for Aventis and Merck while at Cornell and participated in cutting-edge translational clinical trials at leading academic centers. He has over 35 articles, book chapters and presentations in publications such as Nature Biotechnology and Nature Medicine.


As a National Institute of Health-Medical Scientist Training Program scholarship recipient, Dr. Keyoung received both his Medical Doctorate and Doctor of Philosophy degrees in Neuroscience and Neurology from Cornell University Weill Medical College and Memorial Sloan Kettering Cancer Center.

Board Affiliations

Dr. Keyoung has served on the Board of Directors at New York County Medical Society and Board of Overseers at the Cornell University-Weill Medical College in New York and currently serves on the boards of other companies and organizations in the United States and in Asia.