Jessie Pavelka (born September 26, 1982) is an American health and well-being expert, author, coach, and TEDx speaker. He is the co-founder of Pavelka Wellness. Pavelka is known as a fitness professional and television host. In the United Kingdom, he was the presenter of Obese: A Year to Save My Life on Sky1 and Fat: The Fight of My Life on Sky Living HD. He joined the 16th season of The Biggest Loser as a new trainer in the fall of 2014.