[3] After completing his compulsory education (Volksschule), Mack learned the profession of coachbuilding and later qualified as a certified master craftsman.
After his father had hidden him for a year with a showman in the American Zone in Frankfurt, he returned to Germany.
[4] In 1958, Mack and his brothers Hermann and Willi took over the carriage and carousel factory from his father.
[4][7][10][11] Mack was a member of the DIN 4112 standards committee, responsible for the construction and operation of amusement rides.
He also had a seat on the supervisory board of Volksbank Waldkirch and was involved in various honorary offices.