– Certified Research Diver (BG/VBG Uni Rostock)
– Advanced Scientific Diver- (TU Bergakademie Freiberg
– 1980 Diving Licence
– VDST/CMAS Silver 2 stars
– over 3200 diving hours
– Nitrox CMAS 1 star
– breathing gas -Air and Nitrox
– motorboat driving licence for inland water and Sea
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