Celebrity fitness trainer Gunnar Peterson announced on Instagram Wednesday that his 4-year-old daughter has been diagnosed with leukemia. Peterson, who trains stars such as Khloé Kardashian and ...
But celebrity trainer and one of PEOPLE's Health Squad pros, Gunnar Peterson, says consistency is key when it comes to finding success with your workouts. "The key is that you start, and you start ...
Revered celebrity trainer and former Director of Strength and Endurance for the Los Angeles Lakers Gunnar Peterson announced heartbreaking news on his Instagram Wednesday. The Duke University alum ...