Peter Mueller (speed skater) Heiden. After ending his speed skating career, Mueller became a very successful skating coach. He was the coach of Bonnie Blair when she won two gold medals at the 1992 Winter Olympics, Dan Jansen when he won gold at the 1994 Winter Olympics, Marianne Timmer (two gold medals) and Jan Bos (silver) at the 1998 Winter Olympics, and Gianni Romme (silver) at the 2002 Winter Olympics. In addition, several speed skaters winning a total of five World Sprint Championships, one World Allround Championships, and one European Allround Championships titles were also coached by him. Since the 2003/2004 season, Mueller was
Guo Dan (speed skater) the 2017 Asian Winter Games and competed in the women's mass start event. Guo Dan was selected to represent China at the 2018 Winter Olympics and competed in the women's mass start event. Guo Dan (speed skater) Guo Dan (; ; born 6 December 1990) is a Chinese female roller skater who is also specialised in speed skating. She took the sport of roller skating at the age of three and has competed at several international competitions as a roller skater. She most notably secured a gold medal in the women's 20000m elimination race during the 2013 World Games which