Gibson started his career at the NBC station in Rochester, NY. After spending three years reporting there, he moved to WTXF in Philadelphia as the morning anchor and reporter. He won two Emmy Awards for “outstanding news reporting” and “sports feature”. He returned to New York City to be a lead reporter for WNBC News Channel. At NBC he reported on some of the biggest news stories at the time, including the crash of the Concorde.

Gibson joined CNN and CNN Headline News in January 2002 as an entertainment anchor and occasional news anchor seen nationally. During his three years there, Gibson would often make the rounds on the red carpet including the Academy Awards and the Grammy Awards. Gibson has also spent time in the hosting world with HGTV’s I Want That and as an evening news anchor for KSWB-T news in San Diego, California. In June 2010, Gibson joined CBS News in Los Angeles as west coast correspondent for CBS Newspath Gibson left Southern California to join WJLA, the ABC affiliate Washington, D.. in October 2011. In December 2013 Gibson left WJLA-TV to join ABC News as a correspondent. He is also co-anchor for World News Now.