Robert Harper worked on a variety of projects during his entertainment career. Harper worked on a variety of projects during his early entertainment career, including "Deal or No Deal" (NBC, 2005-08), "The Biggest Loser" (NBC, 2004-) and "The Biggest Loser: A Look Back Special" (NBC, 2004-05). In the early 2000s and the 2010s, Harper devoted his time to various credits, such as "The Biggest Loser: Special Edition" (NBC, 2005-06), "The Biggest Loser: Did They Keep the Weight Off?" (NBC, 2007-08) and "Macy's Passport Celebrity Catwalk Challenge" (NBC, 2008-09). He also worked on "The Biggest Loser: Where Are They Now?" (NBC, 2009-2010), "NBC's New Year's Eve with Carson Daly" (NBC, 2011-12) and "The Biggest Loser: Where Are They Now" (NBC, 2011-12). Harper most recently appeared on "The 2013 Miss USA Pageant" (NBC, 2012-13).