| Guillermo Hoyos | |
| Fullname: | Ángel Guillermo Hoyos Marchisio |
| Height: | 1.73 m |
| Birth Date: | 9 June 1963 |
| Birth Place: | Córdoba, Argentina |
| Position: | Midfielder |
| Years1: | 1981–1982 |
| Caps1: | 15 |
| Goals1: | 3 |
| Years2: | 1986–1989 |
| Caps2: | 46 |
| Goals2: | 2 |
| Years3: | 1990–1991 |
| Years4: | 1991–1992 |
| Years5: | 1992–1993 |
| Clubs5: | Tolima[1] |
| Caps5: | 38 |
| Goals5: | 2 |
| Manageryears1: | 2001–2006 |
| Managerclubs1: | Barcelona Juvenil B |
| Manageryears2: | 2006–2007 |
| Managerclubs2: | Aris |
| Manageryears3: | 2007–2008 |
| Managerclubs3: | Atromitos |
| Manageryears4: | 2008–2009 |
| Managerclubs4: | PAS Giannina |
| Manageryears5: | 2009–2010 |
| Managerclubs5: | Panserraikos |
| Manageryears6: | 2010–2011 |
| Managerclubs6: | Anorthosis Famagusta |
| Manageryears7: | 2011–2012 |
| Managerclubs7: | Club Bolivar |
| Manageryears8: | 2012–2013 |
| Managerclubs8: | Once Caldas |
| Manageryears9: | 2013–2014 |
| Managerclubs9: | Iraklis |
| Manageryears10: | 2014 |
| Managerclubs10: | Talleres de Córdoba |
| Manageryears11: | 2015 |
| Managerclubs11: | Jacksonville Armada |
| Manageryears12: | 2016 |
| Managerclubs12: | Bolivia |
| Manageryears13: | 2016–2018 |
| Managerclubs13: | Universidad de Chile |
| Manageryears14: | 2018–2019 |
| Managerclubs14: | Atlas |
| Manageryears15: | 2019–2021 |
| Managerclubs15: | Aldosivi |
| Manageryears16: | 2022 |
| Managerclubs16: | Talleres |
| Manageryears17: | 2023 |
| Managerclubs17: | Oriente Petrolero |
Ángel Guillermo Hoyos Marchisio (born 9 June 1963), known as Guillermo Hoyos,[2] is an Argentine football manager and former player who played as a midfielder.
Hoyos hails from Villa Maria, Cordoba, Argentina and has played club football for Boca Juniors, Banfield, Gimnasia LP, Talleres de Cordoba, Chacarita Juniors in Argentina, Deportes Tolima and Unión Magdalena (Colombia),[3] Everton de Viña del Mar (Chile), Deportivo Táchira, Minerven, El Vigía F.C. (Venezuela) Club Blooming (Bolivia), Sport Boys (Peru) Real Madrid Castilla (Spain).[4]
With Boca Juniors he won the championships in Argentina, Copa Libertadores, Super Copa and Copa Oro.
He played in the National Olympic Team of Argentina and the National team of Argentina.
As a coach, he worked for four years at Barcelona B, where he discovered Lionel Messi, additionally he has won the youth championship twice, before he went to Greece, he first appeared in the Summer of 2006 where he was in Aris Thessaloniki in the year when he returned from the League and made it a purely Latin team playing offensive football that was at the time missing in the Greek league.
Anorthosis confirmed Hoyos appointment on 26 May 2010,[5] and he officially took up the team on 31 May. Hoyos, had completely changed the squad of Anorthosis Famagusta, by transferring players known for their speed from all over the positions of the field. He is also famous for his ambitions of offensive football, and the formation of 4–3–3 who had established to Anorthosis. Hoyos was not a holder of the UEFA Pro coaching license, therefore Anorthosis recruited Bulgarian coach Vasil Simov as "virtual" first coach, and the Argentine was declared as technical director during Anorthosis matches. This did not work and Hoyos was released from his contract on November 17, 2010.[6]
On 3 November 2013 he signed a contract with Greek Football League club Iraklis.[7]