Now that he has launched his training websites, and he makes appearances in television shows, He can maintain high-class lifestyle.
Harper openly came out as gay in the seventh episode of The Biggest Loser, when talking to a contestant who was having difficulty telling his parents about his sexuality.
'And I'd be able to have that hero ending that I've never been able to have.'Equally unrecognisable not just for his body transformation but also for being clean-cut and shaven, David - in a smart suit and tie - said it 'took great bravery on my part' to go from just watching previous seasons of the show to actually taking part.
He appears on the American television series The Biggest Loser.
He's an astounding body measurement, and he loves to stay fit and healthy.
He has been working hard with his life and having the reputation as the personal trainer.
However, he has managed to collect the total net worth of million, and his salary is perhaps in thousands of dollars annually.
He named the dog Karl, after Karl Lagerfeld, because of the dog's color.
Harper revealed he came out to his parents at 17, but that this was his first time ever addressing his sexuality publicly in his career. On February 12, 2017, Harper suffered a heart attack.