Karl Foster has 15 years of experience in the fitness industry. He is now the CTO at GymNation. His expertise has evolved from designing ML algorithms for digital assets to advanced business intelligence and AI systems in commercial fitness. Foster was the first globally to implement voice and agentic AI systems in the sector, and his innovations impact operations, retention, communication, and customer service. He champions AI-driven systems to optimise the fitness industry's future, and his work is reshaping how gyms operate and engage members.