Claude D Zacharias founded Lidingö Dive school, a subdivision of his self-employed-company Z-DYK & BÅT. Over the years changes has been made and the charter part is no longer active. Most of the time nowadays, Claude dives CCR and preferable in Malta.
Claude D Zacharias is a PADI Staff instructor in active status. He focuses on already certified divers who wishes to take their skills to the next level and with safety as a central part of this. He preferers one-to-one classes.
One of the more useful courses recommended by Claude is the PADI Self-Reliant Diver. It enhances the diver’s ability to handle stressful situations on the divers own.