Bob Harper

Robert "Bob" Harper is an American personal trainer and author. He appears on the American television series The Biggest Loser. On September 8, 2015, Harper was announced as new host of The Biggest Loser, succeeding Alison Sweeney.

Known For


Cast Credits

Hollywood Game Night (2013)
Guest starring as Bob Harper
Watch What Happens Live (2009)
Guest starring as Bob Harper
The NEW Celebrity Apprentice (2008)
Guest starring as Boardroom Advisor
The Biggest Loser (2004)
Starring as Trainer (260 episodes)
Starring as Host (8 episodes)
The Ellen DeGeneres Show (2003)
Guest starring as Bob Harper (8 episodes)