
Zack George
ZACK GEORGE (AKA 'Silverback') is one of the world's top Crossfit athletes, a fitness influencer and officially the UK's Fittest Man 2020. He has over 180k followers and Start Where Others Stop is his first book.
ZACK GEORGE (AKA 'Silverback') is one of the world's top Crossfit athletes, a fitness influencer and officially the UK's Fittest Man 2020. He has over 180k followers and Start Where Others Stop is his first book.