Personal trainer Coach junior in san mateo Coach junior is a personal fitness trainer who trains and helps people to build strength and teach how exercises can be done in the proper way. Coach junior has professional experience as a track and field coach, international athletics coach, medalist trainer, national and international olympic champion. Coach junior also has been a coach of Disabled athletes. He has been acting since 2009 as a running and fitness coach. https://coachjunior.com/