Kenneth E. Melson
 Kenneth E. Melson is the former acting director of the Bureau of Alcohol Tobacco Firearms and Explosives (ATF) in the United States. He was appointed to this post by Attorney General Eric Holder in 2009. He resigned as head of the ATF in the aftermath of the ATF gunwalking scandal and was replaced by B. Todd Jones a former Marine who has twice served as the U.S. attorney in Minnesota.