About us. F45 Training is a global fitness community specializing in innovative, high-intensity group workouts that are fast, fun, and results-driven. F45 Training Boerum Hill is currently the 3rd ranked studio in the USA and 5th in the World. We are looking to complete our team with a strong leader in sales and membership management. Our F45 family is looking to grow our sales team. If you are a positive, outgoing, confident team player this mig...