David L. Cohen, a mainstay at Philadelphia-based Comcast Corp., will be stepping down from his day-to-day operational roles beginning in 2020, according to a filing with the Securities and Exchange Commission on Thursday. The chief legal officer of Comcast will now oversee government and regulatory affairs and political affairs for the company, according to an internal memo sent to Corporate Counsel on Friday.

Cohen said in a statement that throughout 2020 he will continue to work as executive vice president of Comcast and his role will be to “ensure a smooth transition” of all of the functions he has overseen. After 2020, he will become a senior counselor to CEO Brian Roberts.