[1] Originally a hockey player, Steffan decided to switch to ice dancing in 2006 at the age of ten.

[2] His first ice dance coach was Annerose Wetzel and he was briefly partnered with Camilla Barth for a short period.

Steffan would eventually decide to team up with his sister, Leah, in 2012, and the siblings were coached by Susan Fichtelmann in Chemnitz.

[6] Prior to the 2016–17 figure skating season, it was announced that Steffan had teamed with fellow German ice dancer, Jennifer Janse van Rensburg and that the duo would train in Oberstdorf under coaches, Rostislav Sinicyn and Natalia Karamysheva.

[7] Assigned to an event on the 2021–22 Grand Prix circuit for the first time, Janse van Rensburg/Steffan finished tenth at the 2021 Internationaux de France.

[7] Assigned to compete at 2022 Skate America, Janse van Rensburg/Steffan started the season by finishing ninth at the event.

[7] Beginning their season on the 2024–25 Grand Prix circuit, Janse van Rensburg/Steffan finished seventh at the 2024 NHK Trophy.