He will be assistant coach with his native Argentina.
Leinster Rugby have confirmed that assistant coach Felipe Contepomi will leave the province at the end of the season.
The former Blues outhalf is to become the assistant to head coach Michael Cheika with his native Argentina.
Contepomi joined the Leinster coaching team in 2018 and has been a key figure in the three PRO-14 titles won in that time.
As a player he made 116 appearances with the club - winning a Celtic League title in 2008 and the Heineken Cup a year later.

Ireland Issue An Injury Update Ahead Of The Autumn Nations Series Game With Australia
Swansea Have Fired Manager Alan Sheehan With The Club 18th In The Championship
The Republic Of Ireland Under 17's Round Off Group Stages Of World Cup With Scoreless Draw
Sports Minister Asked To Clarify Government's Position On EuroBasket Qualifier: Ireland Vs Israel
Aidan Walsh Retires From The Ring At Age 28
Tuesday Morning Sports Update
Mack Hansen And Darragh Murray Called To Ireland Squad Ahead Of Their Game Against Australia
Celtic Kenny And McGrath Called Into The Republic Of Ireland Squad Ahead Of World Cup Qualifiers