Yat Sun Or

Chief Tech/Sci/R&D Officer at ENANTA PHARMACEUTICALS, INC.

Net worth: 5 M $ as of 30/05/2026

75 year

Health Technology

Consumer Services

Profile

Yat Sun Or currently works at Enanta Pharmaceuticals, Inc., as CSO, Senior Vice President-Research & Development from 1999.
Dr. Or also formerly worked at Abbott Laboratories, as Principal and Schering-Plough Pharmaceuticals, as Member-Cardiovascular Drug Discovery Team.
Dr. Or received his doctorate degree in 1980 from The University of Chicago.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
ENANTA PHARMACEUTICALS, INC. 1.29%	11/02/2026	374,854 ( 1.29% )	5 M $	30/05/2026

Yat Sun Or active positions

Companies	Position	Start
ENANTA PHARMACEUTICALS, INC.	Chief Tech/Sci/R&D Officer	31/10/1999

All active positions of Yat Sun Or

Former positions of Yat Sun Or

Companies	Position	End
ABBOTT LABORATORIES	Corporate Officer/Principal	-
Schering-Plough Pharmaceuticals	Portfolio Manager-Fixed Income	-

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Experiences
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Linked companies

Private companies	4
Abbott Laboratories Abbott Laboratories Medical SpecialtiesHealth Technology Develops and manufactures medical devices, diagnostic systems, pharmaceuticals & nutritional products	Health Technology
The University of Chicago The University of Chicago Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Enanta Pharmaceuticals, Inc. Enanta Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops small molecule drugs for the treatment of viral infections and liver diseases	Health Technology
Schering-Plough Pharmaceuticals