Robert Holmes Bell Jr. is an American author, speaker, playwright, musician, and former pastor, born on August 23, 1970. He is best known as the founder of Mars Hill Bible Church in Grandville, Michigan, where he served as pastor until 2012. Under his leadership, Mars Hill became one of the fastest-growing churches in America.

Bell is the author of several New York Times bestsellers including Love Wins, and he is the writer and narrator of a series of spiritual short films called NOOMA. In 2011, Time magazine named him among the 100 Most Influential People in the World.

Currently, Rob Bell works as a freelance writer and speaker, appearing on various talk shows and national speaking tours focusing on spirituality and leadership topics. He also hosts a popular podcast titled The Robcast. In 2018, a documentary about his life and work, titled The Heretic, was released.