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.

Club Decision Sees Mohamed Salah Dropped For Champions League Trip To Milan
Monday Morning Sports Update
Munster's Jack Crowley Ruled Out Of Game Against Bath
Daniel Wiffen Qualifies For 800-Metres Freestyle Final
Rassie Erasmus To Remain South Africa Head Coach Until 2031
Two Kildare Teams In GAA Action This Weekend
Friday Morning Sports Update
Kildare Trio Feature As Leinster Rugby Confirm Squad For Investec Champions Cup Round One