In 1994, he moved to the United States where he had the ambition to join the newly started Major League Soccer.
[3] After working for seven years as a high school teacher Westman was recruited by GAIS in 2008 as a youth team coach.
[4] He also acquired his UEFA Pro Licence while working for Swedish manager Hans Backe at the New York Red Bulls.
[5] Over the years he has also worked as an assistant coach to the Swedish youth national team for players born in 1996, who among other things, finished in third place at the 2013 FIFA U-17 World Cup.
At the end of the 2015 Superettan season Westman took over as the GAIS caretaker again and helped the club avoid relegation.