New York (CNN Business) Kevin Hassett, chairman of the White House's Council of Economic Advisers, is leaving his post.

"I want to thank Kevin for all he has done - he is a true friend!" Trump tweeted.

The Council of Economic Advisers is "charged with offering the President objective economic advice on the formulation of both domestic and international economic policy," according to the White House website . The chairman of the council is generally seen as the White House's chief economist.

Hassett told CNN Sunday night that no one asked him to leave the role, adding that it is normal for CEA chairmen to step down after two years.

Read More