Andrzej Kruczkowski, full time diving Trimix Instructor Trainer, Technical Wreck IT, Gas Blender IT, Rebreather Instructor, Technical Cave Instructor, Emergency First Response Instructor Trainer, Divers Alert Network Instructor Trainer.
IANTD CE Training Director, Member of IANTD Board of Advisors.
Owner of Exstream Diving Center in Wrocław, Poland.
