Nathan Sheldon has spent over 10 years in the Australian fitness industry and is National Strategic Account Manager for Matrix Fitness Australia, working with franchise groups, independent operators and council leisure facilities nationally. He leads Matrix’s partnership with Seca, the medical body composition company, which brings clinical-grade scanning and lean mass data onto the gym floor. With GLP-1 use rising among members, Nathan has a direct view of how operators are using body composition data to protect muscle, retain members and build programs around it.