Fritz Sdunek

as one of the most successful and famous boxing trainers, he trained, among others, such world champions as Wladimir and Vitali Klitschko and Dariusz Michalczewski.

There he trained among others Andreas Zülow, who won a gold medal (lightweight) at 1988 Summer Olympics in Seoul.

From 1994 until his death in 2014 Sdunek was active as a trainer for a famous Hamburg boxing promotion organization Universum Box-Promotion.

His daughter was married to Ahmet Öner,[1] a German of Turkish descent, head of Hamburg professional promotional firm Arena Box-Promotion and ex-professional boxer.

He died in a hospital in Hamburg on 22 December 2014, at the age of 67 following a heart attack he had suffered earlier on the island of Gran Canaria.