[4] Whilst at the school he nurtured future Ghanaian international footballer like Sulley Muntari, John Mensah, Kwadwo Poku, Stephen Oduro, Lawrence Kianya and William Thompson.
He served in that capacity till 2002 nurturing footballers like Francis Akwafo, Alex Asamoah, Osei Kwadwo and Eric Nii Baah.
Under Hans Dieter-Schmidt, he also won the Ghanaian Premier League in 2005, and helped Kotoko to place 2nd in the 2004 CAF Confederation Cup after losing to their arch rivals Accra Hearts of Oak.
[6] Fabin moved from Berekum Arsenal to Kpando Heart of Lions in 2007, He led the team to win the MTN Top 4 championship[7][8] and the SWAG Cup both in 2009.
[15][16] After a bad run of performances, Fabin was sacked in April 2010 with six matches to the end of the 2009–2010 season leaving at the point when the team was 10th on the league table.
[17][18] After losing his job at arch rivals Asante Kotoko, Fabin signed for Accra Hearts of Oak in June 2010 and led the club to win the MTN Top 4 championship in 2010.
[19][20] Fabin left the club by mutual agreement in January 2011 after a run of poor performances, making it worse when they lost to Real Tamale United in the opening day of the second round of fixtures in a home match at Ohene Djan Sports Stadium, making it the first time in 33years Real Tamale United had won a match against Hearts at that stadium.
[22][23] Fabin signed for Ghana Division One side Wassaman United in March 2011 after unsuccessful seasons with both Asante Kotoko and Accra Hearts of Oak.
[28][29] He subsequently was appointed head coach of the Ghana U-17 team and was replaced by Ken August before the start of the second round of the season in January 2012.
The Black Starlets topped their group with 7 points after 2 wins and one draw to make it to the semi-finals where they beat Niger U-17 team in a penalty shootout to push them into the final for the time in 12 years.
Within Fabin's squad were players like current Ajax midfielder Mohammed Kudus, Emmanuel Toku and Asante Kotoko goalkeeper Ibrahim Danlad.
[46][47] In March 2019, the Federation of Uganda Football Associations (FUFA) confirmed on their official website that they had appointed Fabin as the head coach for their national U-17 and U-20 teams for a period of one year.
[1] He replaced Ibrahim Tanko whose team narrowly missed out on qualifying for the 2020 Tokyo Olympic Games after finishing fourth in the Africa U-23 Cup of Nations held in Egypt in November 2019.
Fabin remained in his role as head coach ahead of the 2020–2021 season,[59] however in February 2021, he left the club after his contract expired and was replaced by Asare Bediako.