Garbelotto started his coaching career with hometown club
London Towers in 1992, as an assistant coach, leaving the post just two years later. In 1997 he joined up with the
England team set-up where he was again an assistant coach, before being promoted to head coach of the Under-23 team in 1998. In 1998, Garbelotto accepted a job in
Iceland, taking the reins of
Úrvalsdeild club
KFÍ, where he stayed for two years, also jointly coaching the Great Britain Students team in 1999. Upon his return to England in 2000, he was appointed head coach of fledgling
British Basketball League club
Newcastle Eagles where he immediately turned their fortunes. By the end of his first season at the club, Garbelotto's Eagles had reached the
BBL Trophy final, while finishing 3rd place in the Northern Conference. In 2002 he moved on to the
Birmingham Bullets before settling with hometown club
London United in 2006, upon their election to the BBL. From September 2003 to April 2008, Garbelotto was head coach of the
Hackney Community College Basketball Academy programme. Alongside Sol Ayinla, he was instrumental in the programme's success, dominating national U19 competition. He became head coach of
Everton Tigers on 30 April 2008, and led the Tigers to five pieces of silverware including a 2010-11 treble. In 2014 he signed on as an assistant coach to
Jason Rabedeaux with the
Saigon Heat. Thirteen games into the
2014 season, Rabedeaux died, leaving Garbelotto at the helm. The Heat finished the season in fourth place, clinching their first ever playoff berth. The Heat were swept 0-2 by the
Westports Malaysia Dragons in the
2014 ABL playoffs. In June 2017, Garbelotto was hired as the head coach of Scottish club
Glasgow Rocks of the
British Basketball League. In September 2017, took over as the head coach of the
Scottish men's national basketball team for the
2018 Commonwealth Games, and the head coach of the
Great Britain Men's national Team for the
2019 FIBA World Cup Qualifiers. In February 2018, Garbelotto was fired as Scotland's head coach by
basketballscotland and subsequently resigned from both the Great Britain National Team and the
Glasgow Rocks. ==Head coaching record==