NSW Liberal Party president Chris Downy has resigned to take up a senior executive role with The Star casino in Pyrmont.

Mr Downy, a former NSW minister for sport and racing, tendered his resignation on Tuesday, almost three years after he was appointed.

Chris Downy has a history as a gambling industry lobbyist. Credit:Quentin Jones

He will become general manager, corporate affairs, at The Star, a position which will could involve lobbying the NSW Coalition government.

However, The Star has said this aspect of the job will not begin for several months while Mr Downy familiarises himself with the role, if at all.