Paul Ainslie

Partner - Assurance & Advisory Services

Phone: 415.434.3744

Paul Ainslie is the lead partner on several audits of public and private companies in the fields of biotechnology, medical devices, specialty pharma, and technology. His areas of focus include consultations and technical services in matters such as collaboration arrangements with multiple deliverables; sales reserves for product returns, rebates, and other incentives; complex debt equity financing with embedded derivatives; share-based compensation; exit activities; asset impairment; and income tax provisions. Paul has testified in numerous federal and state cases as an expert witness on forensic accounting matters and economic damages. Prior to joining OUM, he was a senior audit manager at Price Waterhouse & Co.


Member of the American Institute of Certified Public Accountants

Member of the California Society of Certified Public Accountants

BayBio, Northern California’s Life Science Association

Instructor in accounting and auditing at Golden Gate University and Price Waterhouse & Co.


Bachelor of Science in Accounting and Finance (cum laude), University of Southern California

Master of Science in Accounting, University of Southern California


Boston Marathon, Quadruple Dipsea Race, Escape From Alcatraz Triathlon