Jan Jacobus "Sonny" Silooy (born 31 August 1963) is a Dutch former professional footballer and football manager. He is currently the assistant coach with AFC Ajax. His last managing post was for the under-19 team for United Arab Emirates club Al Shabab. His most successful time as a player was in his period with Ajax. He won seven Eredivisie titles, four KNVB Cups, three Johan Cruyff Shields, one UEFA Champions League, one UEFA Cup Winners' Cup, one UEFA Cup, one UEFA Super Cup and one Intercontinental Cup.
Club career Silooy was born in Rotterdam. He played as a right or central defender and is one of the legends of Ajax, where he made his debut on 3 May 1981, playing over 250 league games for the Amsterdam club in two separate periods. Silooy also played for Matra Racing, Arminia Bielefeld,11 FREUNDE – Bundesligen – Ik heb een tweejarig contract De Graafschap and the amateurs of GVV Unitas from Gorinchem. He played in the 1996 UEFA Champions League Final against Juventus, but missed a key penalty in the shootout which Ajax ultimately lost.Sonny Silooy at home.wanadoo.nl
International career Silooy, a member of the Netherlands national team's squad at the 1983 FIFA World Youth Championship, obtained 25 caps,Interlands Sonny Silooy including eight appearances in Euro 88 qualifying, but never played in a major international competition.
Coaching career Silooy coached of the Jong Ajax youth academy and juniors team.Sonny Silooy to leave Ajax In 2010, he became the head coach of the new club Dayton Dutch Lions.
He left Dayton Dutch Lions to become an assistant coach with the Major League Soccer club D.C. United. In 2015, he was appointed as head coach of Al Shabab under 19. He joined Ajax's women's team in 2024 with new head coach Hesterine de Reus.
Career statistics International + Appearances and goals by national team and yearNational teamYearAppsGoalsNetherlands198310198420198510198670198770198830198910199000199100199220199310Total250
Honours Player Ajax Eredivisie: 1981–82, 1982–83, 1984–85, 1989–90, 1993–94, 1994–95, 1995–96 KNVB Cup: 1982–83, 1985–86, 1986–87, 1992–93 Johan Cruijff Shield: 1993, 1994, 1995 UEFA Champions League: 1995 UEFA Cup Winners' Cup: 1986–87 UEFA Cup: 1991–92 UEFA Super Cup: 1995 Intercontinental Cup: 1995
References
External links Profile International career Ajax.nl – Sonny Silooy to leave Ajax, 7 February 2008