Oxygen’s head of programming has left the cable network after more than three years in the position, reports Deadline.com.

Amy Introcaso-Davis stepped down as senior VP of original programming and development at Oxygen Media.

Introcaso-Davis came to Oxygen from sister channel Bravo, where she successfully developed shows such as "Kathy Griffin: My Life on the D-List" and "Queer Eye for the Straight Guy."

Oxygen has been a part of the NBCUniversal group of channels for almost four years, and has struggled to find its identity, the story notes.