Sherwood replaces David Westin, who announced earlier in the fall that he would be stepping down after 14 years.
Sherwood started at ABC News in 1989 as a producer for the "Primetime Live" newsmagazine. He also has worked at NBC News.
Early in his career in 1984-1985, during a year off from college, Sherwood worked for The News and Observer in Raleigh; the Los Angeles Times Paris bureau and the United Nations Border Relief Operation in Aranyaprathet, Thailand.
Besides his work as a journalist, Sherwood is an author who wrote the novel "The Death and Life of Charlie St. Cloud." He is a founder of a website that is a resource for people surviving in the face of adversity.