|Date of birth||24 November 1948|
|Place of birth||Terborg, Netherlands|
|2003–2004||Club Deportivo Guadalajara|
|2006||Club Deportivo Guadalajara|
|* Senior club appearances and goals counted for the domestic league only.|
As a player, Westerhof played for BV Veendam and BVO Cambuur of the Dutch First Division. He began his coaching career in 1982, and has managed ONS Sneek, ACV, Groningen (1988–92 and 1994–96), PSV Eindhoven (1992–1994), the Dutch U-21 national team (1996–97), Ajax Amsterdam (2000), Willem II Tilburg (2000–03)and Chivas de Guadalajara(2003–04), Necaxa (2007–2008)
Westerhof originally joined Chivas de Guadalajara in 2003 as sporting director of the club's teams, but took over the dual role as head coach of the first team in October of that year. He stepped down as coach after the Clausura 2004 season. On 3 June 2005 while serving as sporting director, Guadalajara's "sister" team, Chivas USA, named Westerhof its head coach, after a disastrous start under Thomas Rongen. He was replaced after the season by Bob Bradley and then came back to the parent club as its head coach and sporting director.
Besides coaching, he has been a teacher in Heerenveen (the Netherlands) at the Central Institute for Sports Education (CIOS) for many years. For Apertura 2007, Westerhof was appointed New Head Coach of Necaxa of Mexico.
On 12 June 2008 Hans was appointed Vitesse Arnhem new coach. He was then sacked after 6 months in December after a disappointing first half of the season. Having led them into 15th position of the 18-team league, he managed 15 points from 17 matches.
- Westerhof sacked as manager Retrieved on December 31, 2008