David S. Chan

Chief Executive Officer

David has overall responsibility for the strategic direction of Riparian, product development and specific client initiatives.  David brings 18+ years of experience leading advisory teams in the life sciences


Cynthia Hwang

EVP Consulting & Managed Services

Cynthia has 17+ years of experience advising a variety of clients in the life sciences industry – including generic drug manufacturers, “traditional” brand drug manufacturers, and manufacturers of specialty therapeutics (including gene therapy)


Don Russell

Director of Managed Services

With more than seventeen years of pharmaceutical industry and managed services experience, Don’s primary concentration has been in Government price reporting, program contracting and rebate adjudication. Prior to joining Riparian, Don was Practice Leader for Deloitte Advisory Managed Risk Services leading the Government and Commercial rebates and fees practice.