Eric SAN JUAN has held various positions in the IRS and Treasury as the Senior Advisor to the Commissioner (Tax-Exempt/Government Entities), Senior Attorney-Advisor in the Taxpayer Advocate Service, and Deputy & Acting Tax Legislative Counsel in the Office of Tax Policy. 

He has taught Federal income tax, tax-exempt, and other law school courses as an adjunct or assistant professor at Georgetown, Catholic, American, and St. Louis universities. He has served as Chair of the Committee on Tax Policy in the American Bar Association. He was a founding member of the executive committee (Core Idea Group) to, the multi-lingual platform initiated by the Clarke Program on Asian Law & Culture at Cornell University.  He has published articles in the Georgetown-ABA Tax Lawyer and other law and sociological reviews.

In the past, he was an associate at the law firm then known as Hale and Dorr (Boston) and a judicial clerk at the U.S. Tax Court (Washington, DC).  He is a graduate of Harvard College, Harvard Law School, and the University of Chicago.