PADI
PADI, the Professional Association of Diving Instructors, is the world's leading organization for scuba diving training. Founded in 1966 by John Cronin and Ralph Erickson, PADI has grown to provide a wide range of diving certification courses, from beginner to professional levels, through its global network of dive centers and instructors. The organization is committed to both safety and education in recreational diving, promoting underwater exploration and environmental conservation.