Our Team

Dr. Olaf Ringelband

Managing shareholder and consultant

ringelband@management-diagnostik.de

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Martin Hoffmann

Shareholder and consultant

hoffmann@management-diagnostik.de

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Dr. Andreas Hoyndorf

Shareholder and consultant

hoyndorf@management-diagnostik.de

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Dr. Jens Kühl

Shareholder and consultant

kuehl@management-diagnostik.de

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Dr. Gisela Seggebruch

Shareholder and consultant

seggebruch@management-diagnostik.de

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Dr. Jana Kagel

Consultant

jana.kagel@management-diagnostik.de

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Dr. Mitra Anne Sen

Consultant

sen@management-diagnostik.de

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Dr. Eva Maria Kunzmann

Consultant

kunzmann@management-diagnostik.de

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Susann Werl-Wöstenberg

Consultant

werl-woestenberg@management-diagnostik.de

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Prof. Dr. André Körner

Consultant

koerner@management-diagnostik.de

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Dr. Nick Stratemeyer

Consultant

stratemeyer@management-diagnostik.de

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Prof. Dr. Fritz Westermann

Shareholder and consultant

westermann@management-diagnostik.de

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Prof. Dr. Christian Warneke

Consultant

warneke@management-diagnostik.de

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Dr. Kim-Oliver Tietze

Consultant

tietze@management-diagnostik.de

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Torben Ruhr

Consultant

ruhr@management-diagnostik.de

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Christine Kube

Consultant; Head of sales and business development

kube@management-diagnostik.de

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Sirke Kaci-Nerlich

Assistant Office Management

kaci-nerlich@management-diagnostik.de

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Dr. Georg Birkhan

Nestor

birkhan@management-diagnostik.de

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Nina Fortnagel

Assistance

fortnagel@management-diagnostik.de

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Christina Nissen

Office Manager

nissen@management-diagnostik.de

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