• by Wayne Friedman , February 20, 2014

CBS longtime senior executive Nina Tassler has expanded her programming role, covering a broader range of dayparts for the company as part of a new title and promotion.

Tassler, the president of CBS Entertainment for the last 11 years, now becomes chairman of CBS Entertainment, continuing to report to Les Moonves, president and chief executive officer of CBS Corp.

Tassler will continue to lead programming efforts across prime time, daytime and late night as well as program development in all genres, including comedy, drama, reality, specials and long-form. Tassler will add to her portfolio a newly created limited-series and live-event programming unit.

In addition, she continues to oversee entertainment division efforts around advertising and promotion, business affairs, consumer products, digital/interactive, diversity, publicity, scheduling and research.

Tassler came to CBS in August 1997 as vice president of drama of CBS Productions. A year later, she became senior vice president of drama development for the CBS Television Network. She became president of CBS Entertainment in 2003.

Under her leadership, she launched big CBS shows, including “The Big Bang Theory,” “How I Met Your Mother,” “The Good Wife,” “Person of Interest,” and “Elementary.” As the head of drama development, she was also instrumental in the “CSI” and “NCIS” program franchises.