Johan de With


Johan de With started diving at the NOB / CMAS in 1996 and soon became infected with the technical diving virus. within the IANTD he is a trimix instructor, technical cave instructor and he can give many specialty programs including sidemount and solo diving.

many people visit him for deep diving courses or cave diving, in particular because this sport is of interest to him and is frequently practiced by him.

this has also led him to a world record deep diving mixed team freshwater on 26-09-2015 in the Thunersee switzerland, here he achieved a depth of 169 meters on OC.

in daily life, johan is the commercial diving professional instructor

and teaches civil divers who are going to work on / in oil rigs, construction pits, inspections, fire brigades, etc.

he is also the owner of a technical diving school.


where the emphasis is mainly on giving technical and cave diving training. he does this together with a highly motivated and professional team, within which everyone has their own specialism and the student gets what he needs.