Jaco Jonker — known to his followers as Jaco Beast — is the 2025 Overall Men's Physique World Champion, a two-time Men's Physique Pro and the founder and head coach of FitNation HQ in Stellenbosch, South Africa. He coaches clients in person and online, worldwide.
Jaco Jonker has been in the fitness industry since 2018, coaching hundreds of clients through life-changing transformations — contest prep, body recomposition, fat loss, muscle building, posing and performance. In 2020 he founded FitNation HQ in Stellenbosch with one mission: help people unlock their full potential through expert coaching, accountability and a results-driven approach.
He competes at the level he coaches. A two-time Men's Physique Professional with the PCA and UWSFF, Jaco has represented South Africa on the international stage twice — and in 2025 he won the Overall Men's Physique World Championship in Thailand.
As a certified bodybuilding judge, he coaches posing and stage craft with a judge's eye, and fuels his athletes in partnership with Sci-Core Nutrition. His standard for every FitNation athlete is the one he lives by: forged by discipline.
Starts coaching — technique, nutrition and transformation clients.
Founds FitNation HQ in Stellenbosch. The team grows to four coaches and hundreds of client transformations.
Represents South Africa at the World Championships in the UK.
Earns professional status twice over — Men's Physique Pro with the PCA and UWSFF.
Wins the Overall Men's Physique World Championship in Thailand.
Daily training, prep and nutrition content — follow Jaco Beast across the platforms.
1-on-1 training in Stellenbosch or online coaching anywhere in the world — custom programming, nutrition and weekly check-ins, coached by a world champion.