Derek Theurer is Republican Chief Tax Counsel for the House Committee on Ways and Means. Previously he served as Senior Tax Counsel for Senator Bill Cassidy of Louisiana, contributing to construction and passage of the Tax Cuts and Jobs Act of 2017. Most recently, Theurer was Vice President of Tax and Fiscal Policy at the Business Roundtable. He spent the first decade of his career with Exxon Mobil Corporation, working in tax advisory and senior government affairs roles.

Theurer graduated with highest honors in accounting from Utah State University and holds a J.D. from UCLA and an LL.M. in Tax from NYU.