1976-1981 Study of Mining Engineering Thereafter engineer in the onshor oil & gas production 1991-1993 MBA at London Business School Thereafter consultant with the emphasis of implimenting changes and transformation in firms or part of. 2010-2013 Member of the committee for archive and library of the German NSA 2013- today Archivist of the Hermann-Grossmann-Archive since 2018 retired and 4th carrier: 2019 published the book on Dr. Fallscheer-Zürcher 2022 published the book comprising all Tablets of ‘Abdu’l-Bahá to Germany and Austria currently working on the Tablet to Prof. Forel to be published this year.