Education
After secondary education Reber completed a business internship at Badische Anilin- & Soda-Fabrik, and in the early 1960s gathered more practical experience in the Wärtsilä corporations in Helsinki, and in the Canadian General Electric Company Limited. in Toronto. Sequentially he graduated for the study of business administration at the University of Mannheim with a thesis entitled "Refa-Arbeitsgestaltung und Refa-Entlohnung in leistungs-theoretischer Sicht" on work structuring. In 1966 Reber obtained his Master of Business Administration on a German Academic Exchange Service scholarship at the University of Toronto with a thesis on industrial relations.
He continued his dissertation and habilitation on a research grant from the German Research Foundation (Deutsche Forschungsgemeinschaft) and graduated in 1972 with the thesis entitled " Analyse entscheidungstheoretischer Ansätze - Auseinandersetzung mit Grundlagen des personalen Verhaltens im Betrieb" (Analysis of decision theory approach - dealing with basics of personal behavior during operations).