Network Medical Management is now Astrana Health Management

Brandon K. Sim, MS

Chief Executive Officer

Brandon Sim is the President and Chief Executive Officer of Astrana Health, where he leads the company in its mission to enable providers in delivering accessible, high-quality, and high-value care to all. At Astrana Health, he leads the healthcare delivery transformation effort for physicians and patients and oversees the company’s strategy, growth, operations, and technology innovation. Prior to his current role, he served as Chief Operating Officer, Chief Technology Officer, and Vice President of Engineering at Astrana Health, formerly known as ApolloMed, joining the organization in 2019. 

Prior to joining Astrana, Mr. Sim was a Quantitative Researcher at Citadel Securities from 2015 to 2019, and before that, co-founded and served as Chief Technology Officer at Theratech, a medical device startup. Mr. Sim serves as a board member for a private healthcare technology company and prior served as a board member of Cardio Diagnostics (NASDAQ:CDIO).

Mr. Sim received his M.S. in Computer Science and Engineering as well as his B.A. in Statistics and Physics with high honors from Harvard University.