z nurkowaniem związany od 2013r.
RESCUE DIVER PADI
ADVANCED NITROX DIVER TDI
DECOMPRESSION PROCEDURES DIVER TDI
TECHNICAL CAVE DIVER IANTD
EXTENDED RANGE DIVER TDI
ADVANCED TRIMIX DIVER TDI
z nurkowaniem związany od 2013r.
RESCUE DIVER PADI
ADVANCED NITROX DIVER TDI
DECOMPRESSION PROCEDURES DIVER TDI
TECHNICAL CAVE DIVER IANTD
EXTENDED RANGE DIVER TDI
ADVANCED TRIMIX DIVER TDI