Sven Lodziewski was an East German freestyle swimmer who finished 12th in the 100 metres at the 1988 Seoul Olympic Games, but with the 4x200 freestyle relay squad he won the silver medal. His medal collection also included one gold, one silver and three bronzes at the World Championships (1982-2001) and, at Europeans, he added another nine medals (two golds, five silvers and two bronzes) between 1983-87.
After his active swimming career, Lodziewski became an Internal medicine physician. He first worked at the Heart Center Berlin, then at the university clinic Greifswald, and finally at Diaconia Clinic, Hannover. From November 2008 he was a member of the medical team in the German Swimming Federation and took over as head in 2021.