Worldwide PADI TecRec SCUBA diving Course Director, DSAT Tec Trimix Instructor Trainer, Technical Advanced Wreck Instructor Trainer, ANDI Cave Instructor. Delighted to run your dive Instructor Development Course in El Nido or Boracay, Philippines; or Negombo, Sri Lanka. IDC Staff Instructor Courses, Master SCUBA Diver Trainer Prep, Speciality Instructor Training Courses. Technical diving instruction from Tec Basics through full hypoxic advanced Tec Trimix Instructor.