Born in Saint-Étienne, Oleksiak began his career at his hometown club of Saint-Étienne. He played seven seasons for the club's first team from 1979 to 1986, winning the Division 1 title in the 1980–81 season.[3] In 1986, he joined Nice, where he would play three seasons.[4] In 1989, Oleksiak signed for Metz, before joining Lille in 1991. In 1993, he signed for Angers, where he met then-teammate Christophe Galtier; they would go on to work together extensively as coaches in the 21st century.[2] In the 1993–94 season with Angers, Oleksiak suffered relegation from the Division 1. The season was also his final as a professional, as he joined amateur side Aurillac in 1994.[citation needed]
International career
Oleksiak represented France at under-21 level in the early 1980s,[4] and made a total of twelve appearances for the team.[3] In 1988, he was selected by Jacky Braun, coach of the France Olympic football team, for a match against Sweden. France had already been eliminated in the race for qualification for the 1988 Summer Olympics, and lost the match to Sweden by a score of 2–1.[3]
Coaching career
In 1994, Oleksiak joined Aurillac as a player-manager. His team won promotion from the Championnat National 3 in the 1994–95 season.[citation needed] In 1997, he retired from playing, and became solely the manager of the team.[citation needed] From 1999 to 2000, Oleksiak worked as an assistant coach to his former Nice teammate René Marsiglia for Amiens,[4] before returning to coach Aurillac in 2001.[citation needed] In 2008, Oleksiak joined Libourne Saint-Seurin (later renamed Libourne), where he was initially an assistant coach before becoming the head coach.[citation needed]
In 2012, Oleksiak returned to his hometown club Saint-Étienne, initially as a scout,[4] before becoming the manager of the reserve team in 2013.[citation needed] In 2015, he joined his former Angers teammate Christophe Galtier's coaching staff in Sainté's first team as an assistant coach.[2][5] Besides a small stint as an assistant coach for Chinese club Liaoning in 2017,[citation needed] Oleksiak followed Galtier to Lille, where he contributed to a Ligue 1 title in the 2020–21 season.[4] In the 2021–22 season, Oleksiak was with Galtier at Nice.[4] They both joined Paris Saint-Germain in July 2022, leaving after one season.[6][7]
Personal life
Thierry's father Jean [fr] is also a former professional footballer. They both played for Saint-Étienne and Lille in their careers.[8] Jean's father, Thierry's grandfather, was a political refugee from Poland.[9]