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Shareholders of factum |
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Berthold Schaaf: born in 1959, married, 2 children. Study of psychology 1979-1985 in Frankfurt, focus on statistics, methods, study design. Tutorials of study courses. Self-employed since 1985. Since 1989 general manager and shareholder of factum. |
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Michael Gutmann (PhD): born in 1958, married, 2 children. Study of psychology 1978-1983 in Bielefeld. Graduation in 1988. 1984-1988 scientific staff of the university of Münster. Since 1989 shareholder of factum. |
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Michael Vornkahl: born in 1960, married, 2 children. Study of psychology 1983-1988 in
Gießen. 1988 scientific staff of the university of Gießen in statistics. Since 1989 shareholder of factum.
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