Best known for hosting the ABC hidden camera program Primetime: What Would You Do? He is a multi-time Emmy winner, and has also appeared on ABC news programs such as Good Morning America, Nightline, and 20/20.
A participant in the federal Upward Bound program, he studied speech and communication at St. Mary's University in Texas and went on to earn a graduate degree in journalism from Columbia University (New York).
During the mid-1970s, he worked for a Houston, Texas radio station called KTRH.
He was born Juan Manuel Quiñones. He has three children with his former wife Nancy Loftus, whom he was married to from 1988 until 2009. He married Deanna White in 2010.
He occasionally appeared as a reporter on ABC's World News with Diane Sawyer program.