On the way to a professional education
Divemaster - A leadership training 

Take the first step in your dive career and become a PADI Divemaster. Working closely with a PADI Instructor, you'll expand your dive knowledge and hone your skills as you become a dive professional. PADI Divemaster training develops your leadership abilities by training you to supervise dive activities and assist instructors with student divers.
What can a PADI Divemaster do?: Work at local dive centers, on live-aboard dive boats, yachts and at exotic resort locations. Assist PADI Instructors with students Lead PADI Scuba Divers on guided dive tours. Teach and certify PADI Skin Divers. Teach PADI Discover Snorkeling programs . Conduct PADI Scuba Review programs for certified divers. Lead certified divers on Discover Local Diving experiences. Teach Emergency First Response programs after successful completion of an Emergency First Response Instructor course.
What do I need to start: PADI Advanced Open Water Diver or qualifying certification from another training organization. PADI Rescue Diver certification or qualifying certification from another training organization. Medical clearance signed by a physician 20 logged dives. 18 years old.  What will I do? Learn dive leadership through classroom and independent study sessions. Complete water skills and stamina exercises in confined and open water. Training exercises to test organizational and problem solving abilities. An internship or series of practical training exercises. How long will it take? From two weeks to three months. What materials are needed: Divemaster Training Package Divemaster DVD The Encyclopedia of Recreational Diving (GB) PADI Instructor Manual Divemaster slates. DSD Cue Card. Log Book.