His career lasted from 1928 to 1937, during which he carried out 3 hangings as a chief executioner and assisted at 14 others.
His first action as chief executioner came on 23 November 1932.
When Desfourneaux died in 1951, Obrecht wrote to the ministry of Justice, proposing his candidature as chief executioner.
Marcel Chevalier served as chief executioner.
The other was the slaying of Albert Anastasia, chief executioner of Murder Inc., in 1957.
He was rejoined as first assistant in 1945 by Obrecht, who, despite his increasing dislike of Desfourneaux, could see a potential future as chief executioner looming.
He married the chief executioner's daughter Maria, and eventually became chief executioner after his father-in-law.
His career lasted from 1932 to 1941, during which he carried out 4 hangings as a chief executioner and assisted at 20 others.
He was finally promoted in 1940 and carried out his first job as chief executioner on 31 July 1940.
After his appointment as chief executioner, on 1 October 1976, he executed only two people.