With more than 35 years of experience at the Internal Revenue Service, former national chief of appeals Diane Ryan has handled complex procedural issues; international tax issues, including cost-sharing transactions; taxation of hybrid instruments; alternative dispute resolution methodologies; and appellate resolution of major tax cases.
- J.D., St. Louis University Law School, 1991 (magna cum laude)
- M.B.A., Southern Illinois University Edwardsville, 1980
- B.S., Southern Illinois University Edwardsville, 1978 (high honors)
- Certified Public Accountant (1981)
Retired Of Counsel, Taxdiane.email@example.com