[1] At an early age, his parents divorced and he attended 17 schools in six states as his devout Christian mother followed what she believed were dreams from God.

[clarification needed] World News devoted air time to his reports from Africa, the Middle East and the South Pacific.

He went to New Orleans after Hurricane Katrina, as well as to Afghanistan in 2010[3] and led the network's coverage of Iraq, Where Things Stand at the height of the American troop surge.

"[4] As a writer and anchor at ABC, he produced special hours for the network on topics ranging from religion to brain science to the rise and fall of General Motors.

[5] Bill Weir's final story for Nightline, a piece about the popular photography blog Humans of New York, aired Friday, October 11, 2013 on ABC.

[8][9] On November 12, 2019, Weir hosted the annual Krause Lecture at New England boarding school, Choate Rosemary Hall.