Borrello began coaching university teams between 1994 and 1995, before managing
San Martín de Burzaco from 1996 to 1997. In 1997, he became an assistant coach for the
Argentina women's national team. In June 1998, he became the head coach and technical director of the Argentina women's national teams. He helped the senior team qualify for their first
FIFA Women's World Cup in
2003. Three years later, he led the team to their first major title, winning the
2006 South American Women's Football Championship as hosts. The success meant Argentina qualified for the
2007 FIFA Women's World Cup, as well as the
2008 Summer Olympics, the first Olympic appearance for the women's team. Borrello also coached the youth women's national teams, managing to qualify for the
FIFA U-20 Women's World Cup in
2006,
2008 and
2012. He remained in the position until October 2012. Later, he began managing the women's team of
UAI Urquiza until 2017. In July 2017, he returned to his position as technical director of the women's national teams. Borrello led the team to a third-place finish at the
2018 Copa América Femenina, with Argentina advancing to an
intercontinental play-off against
Panama. Argentina won 5–1 on aggregate to qualify for the
2019 FIFA Women's World Cup in France after a twelve-year absence. ==Controversy==