Tom Roos

Tom Roos was named chief accounting officer of UnitedHealth Group in August 2015. He is responsible for SEC reporting, accounting policy, tax and enterprise risk management. Previously, Roos was a partner at Deloitte & Touche LLP for eight years, where he worked closely with Deloitte & Touche's national office and industry leaders on emerging technical accounting and reporting matters in the health insurance industry, with experience in company mergers and acquisitions and initial public offerings.