Technical Diving

• TECHNICAL FULL CAVE Diver – IANTD
  (International Association Nitrox and Technical Diving)
  November 2013, Instructor: Dirk Penzel; Cenote-Diving , Playa del Carmen, Yucatan Mexico

• NORMOXIC Diver – IANTD
  (International Association Nitrox and Technical Diving)

• TRIMIX 60 Diver – BARAKUDA TEC-diving
  (International Aquanautic Club)
  April 2010, Instructor: Chistiane Mette / Timo Zischka; MISCHGASTAUCHEN, Geretsried, Germany

• ADVANCED EANx Diver – IANTD
  (International Association Nitrox and Technical Diving)
  February 2010, Instructor: Chistiane Mette; MISCHGASTAUCHEN, Geretsried, Germany

• Cave1, IntroCaveDiver – PATD
  (Professional Association for Technical Diving)
  August 2008, Instructor: Ralph Wilhelm, France
  

Recreational Diving

• Ice Diving
  February 2006,  Luigi (Ruppert Obster), Munich

• NITROX CMAS*
  March 2005, Luigi (Ruppert Obster),  preparation for the planned liveaboard trip, Egypt 2005, MY “Golden Dolphin”

• CMAS***   /   DIVE LEADER
  June 2004, Instructor: Kurt König

• CMAS**   /   MASTER DIVER
  Instructor: Kurt König

• CMAS*
  01.02.2001, Diving Center  “FELIX” Fuerteventura; Jandia,
  Instructor: Thomas Hubbuch