NBCUniversal today announced that Linda Yaccarino is leaving the company, effective immediately. Mark Marshall, currently President, Advertising Sales and Client Partnerships, will become interim Chairman of NBCUniversal's Advertising and Partnerships group, reporting to Mark Lazarus, Chairman, NBCUniversal Television and Streaming.

Mike Cavanagh, President of Comcast Corporation said, "We are grateful for Linda Yaccarino's leadership of NBCUniversal's Advertising Sales business, and for the innovative team and platform she has built. Linda has made countless contributions to the company during her twelve year tenure, and we wish her the best."

Linda Yaccarino said, "It has been an absolute honor to be part of Comcast NBCUniversal and lead the most incredible team. We've transformed our company and the entire industry—and I am so proud of what we've accomplished together, and grateful to my colleagues and mentors, especially Brian Roberts, Mike Cavanagh and the entire NBCU leadership team."