Katherine Tolis is a highly sought after celebrity stretch therapist, Pilates instructor at JetSet Pilates in Miami, NASM certified personal trainer, wellness/nutrition guru and data scientist. She is also the founder of XcellBODY, which speaks to the benefits of the service which help people excel in their unique activities and goals. The spelling Xcell refers to sculpting the body and genetics on a cellular level. Kat is an expert at helping others make these lifestyle changes in order to look and feel amazing, slow down aging, prevent degenerative disease and increase longevity and cognitive function.