Prior to this new role, Leclerc (39) was responsible for the Citroën brand in Denmark, Norway and Sweden, holding the position of Managing Director - Citroën Scandinavia since July 2011.
Leclerc also held a number of key roles earlier in his career, including Managing Director - Citroën Croatia and Regional Co-Ordinator for the Citroën brand in Europe.
He started his career in the motor industry in 1997 and joined PSA Peugeot Citroën in March 2001.
Commenting on his appointment, Leclerc said; "I am delighted to take up this new position following Linda Jackson's promotion as CEO of the Citroën brand.
"This is a very exciting time for the brand globally and Citroën has already achieved real success in the UK and Ireland.
"I look forward to playing my part in this continuing success story as we work to implement the 'Back in the Race' strategy across the PSA Group."