Dipl.- Ing. Michael Kollnberger

is certified and qualified member in the following organizations:

                        - Saudi Council of Engineers                                                              (SCE)

               - Association of consulting engineers                                                                                 (VBI - Geotechnik)

               - Association of German engineers                                                                                    (VDI - Bautechnik)

               - Bavarian chamber for civil engineers                                                                               (BYIK - Bau)

               - German association for geotechnical matters                                                                 (DGGT - Erd- und Grundbau)

               - Association of German experts and consultants                                                              (BDSF)

, is also active as:

               - author in the expert publishing company, Renningen                      (Spezialtiefbau, Band 566)

               - lecturer at the Technical Academy, Esslingen                                (Spezialtiefbau, Bauen in Boden und Fels)

and is certified as:

               - VBA-programmer (ILS)

               - Projectmanager (IHK)