Heather is the U.S. Director of Controversy for EY’s National Tax practice. Before joining EY in 2015, Heather served for almost six years as the IRS Commissioner for the Large Business & International (LB&I) Division. In addition to her most recent role, Heather has a deep and varied history of service at the IRS spanning almost 18 years, having worked in the Office of Chief Counsel as the Associate Chief Counsel for Income Tax & Accounting and Pass-throughs & Special Industries. Additionally, she served as Deputy Associate Chief Counsel for Domestic-Technical and as an Assistant to the Commissioner.