As Chief, Lee leads the IRS's criminal enforcement efforts to investigate tax code violations and other related financial crimes such as money laundering, public corruption, cybercrimes, identity theft, narcotics and terrorist-financing. Prior to serving as Deputy Chief of CI, he served as the Director of Field Operations, Northern Area where he oversaw CI enforcement programs in the Boston, New Jersey, New York, Ohio and Philadelphia Field Offices. He also previously served in executive roles as the Director of Field Operations, Southern Area and the Director, Strategy. Lee began his IRS CI career in 1995 as a special agent in Detroit. He moved into the CI leadership ranks and has held positions of increasing responsibility throughout his career including Supervisory Special Agent in the New Orleans Field Office; Headquarters Senior Analyst in the International and Financial Crimes Sections; Assistant Special Agent in Charge within the Boston Field Office; and Special Agent in Charge of the New Orleans Field Office and later the Chicago Field Office. Lee has a Bachelor of Business Administration Degree with a concentration in Accounting from Tiffin University in Ohio.