Ronnie Miller is a certified AAAI/ISMA Group fitness and Aquatic instructor. She’s been fitness director and teaching fitness industry for over 20 years. She is the founder and creator of DATFITNESS. DAT gained popularity quickly! This lead her to create a water version called DAT-H2O. Ronnie is also a Certified Personal Trainer as well as a provider for AFAA & NASM.