Berwick started her career at
Channel 4, where she worked on publicity and operations. Part of her role included shipping tapes of programming overseas as part of the channel's expansion of international syndication. Berwick later worked as vice president of programming at
Bravo. When Bravo was acquired by
NBCUniversal, Berwick became general manager, and later president, of the network. Berwick is credited with helping build Bravo into a powerhouse of unscripted television. Berwick held numerous other roles within NBCUniversal, and in 2020, was promoted to chairman of entertainment networks for
NBCUniversal TV and Streaming. As chairman, Berwick oversaw program strategy and business operations for
NBC, the company's flagship broadcast network, and NBCU's six cable entertainment networks,
USA Network,
Bravo,
E!,
Oxygen True Crime,
SYFY and
Universal Kids. == Personal life ==