Sangakkara had resigned from the post a few days after his team's loss to India [ Images ] in the final of the World Cup, their second successive loss in the title clash of the quadrennial extravaganza.
The 40-year-old former batsman, who represented Sri Lanka in 90 Tests apart from 268 one-dayers, will join interim coach Stuart Law, Champaka Ramanayaka and Ruwan Kalpage.
The veteran cricketer was last seen in action during a Test match against Australia [ Images ] in 2007. He also featured in the rebel Indian Cricket League towards the end of his career, before taking over coaching assignments. He was the national coach of the Singapore team for year 2010.
Sri Lanka are yet to name a full-time successor for Trevor Bayliss, whose tenure as coach ended with the World Cup.