Ronald Machen

Ronald C. Machen
United States Attorney for the District of Columbia
In office
February 2010  March 31, 2015
Appointed byBarack Obama
Preceded byKenneth L. Wainstein
Succeeded byChanning D. Phillips
Personal details
Born (1969-05-06) May 6, 1969
EducationStanford University (B.A.)
Harvard Law School (J.D.)

Ronald C. Machen Jr. (born May 6, 1969) is the former United States Attorney for the District of Columbia. In April 2015, he left the position and returned to the law firm WilmerHale after the longest tenure as US Attorney for the District of Columbia in more than 35 years.