(Reuters) - Here are five facts about Jeff Zucker, who resigned on Wednesday as president of CNN and chairman of WarnerMedia's news and sports division for failing to disclose a consensual relationship with a close colleague.
* Zucker, 56, graduated from Harvard College in 1986 with a bachelor's degree in American history, according to a profile on CNN's website.
* Zucker began his career at NBC in 1986 as a researcher for NBC Sports' coverage of the 1988 Summer Olympic Games in Seoul, South Korea.
* In January 1989, he joined NBC News as a field producer for the "Today" show. He eventually became its executive producer. Under his leadership "Today" became the most-watched morning news program in America, according to CNN's website.
* He was president and CEO of NBC Universal from 2007 to 2011. Zucker has served as president of CNN Worldwide since 2013.
* Born and reared in Miami, Zucker has four children and resides in New York City, according to CNN. He is divorced, his spokesperson said.
CNN is part of AT&T-owned WarnerMedia, which is being spun off in a $43 billion transaction with Discovery (NASDAQ:DISCA) Inc.