Together with Wolfgang Staudinger he won the bronze medal in the men's doubles event at the 1988 Winter Olympics in Calgary, representing West Germany.

[1] Schwab also won a bronze medal in the men's doubles event at the 1987 FIL World Luge Championships in Igls, Austria.

He also won two gold medals at the 1988 FIL European Luge Championships in Königssee, West Germany (Men's doubles and mixed team).

In February 2008, Schwab was named secretary general and sports director for the German bobsleigh and luge federation (BSD), effective in May.

He was replaced as head coach of the German luge team by Norbert Loch, father of 2008 men's single world champion Felix.