When Dan Delivers Fitness meets you in your home or your building’s gym, you’ve got all your excuses cornered and your barriers busted. Your time is conserved; hassle is reduced. About Dan: Dan Marks, M.Ed, is a certified personal trainer, Advanced MELT Instructor, MVP Kettlebell Instructor, Crossfit Level 1 Trainer, and Licensed Massage Therapist (NY) living and working in Manhattan.