Winston Macmillan

Assistant Controller, Finance

In his role as assistant controller at Omidyar Network, Winston supports the global controller with financial reporting, consolidation of foreign entities, international audits, tax compliance, budgeting, and account team management.

Before joining the firm, Winston worked for Ellation Inc. where he led accounting operations, financial reporting, and compliance activities. In this capacity, he managed audits while maintaining cadenced daily financial operations by optimizing systems, processes, and staff. Prior to Ellation, Winston worked at PartnerRe America Insurance Company leading accounting, finance, compliance, and management of the Health Division.  

Winston graduated magna cum laude with a B.S. in business administration and accounting from California State University, East Bay. He is a licensed CPA in the state of California.