Your DiveSafari Hosts! HERB and SANDI HOLST are Certified Instructor Trainers AND Instructor Trainer Evaluators with ACUC International. Herb is also an Instructor Trainer with Divers Alert Network. Both active scuba instructors with over 25 years experience, Sandi and Herb continue to deliver scuba certification programs and skill development workshops to all levels of divers in many locations throughout Canada including Ontario, British Columbia, Newfoundland, Manitoba and Quebec. Sandi also comes with a travel background. She has organized trips for over 15 years to many parts of Canada and the Caribbean. Fine-tuning every detail is her specialty.