Sabrena Jo, Ph.D. training and sporting activities Science / Fitness Sabrena Jo, Ph.D., senior director of science and investigation for the American Council on exercising, has decades of experience serving to people https://www.facebook.com/econopass/posts/pfbid0HR3dGDSkS5awV9PKDaK2KbnyZPfsbVBm83jjJ46edWsq9fmq1MiSaMaGmEH2s7R6l