Douglas O'Donnell is an American government official who has served as acting Commissioner of Internal Revenue from November 2022 into March 2023, and then from January 2025 to present.

O'Donnell graduated from the University of Maryland, College Park with a Bachelor of Science degree in accounting.

[1] O'Donnell began his IRS career as a revenue agent in Washington, DC in 1986.

[1] He was licensed as a Certified Public Accountant in the state of Maryland.

[2] He eventually became Deputy Commissioner (International) in LB&I, Assistant Deputy Commissioner (International) in LB&I, Director of Competent Authority & International Coordination, Director of International Compliance, Strategy & Policy, deputy director, Pre-Filing and Technical Guidance, then the Director of Field Operations, Heavy Manufacturing and Transportation Industry.