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Sandra Schumann-Heitzer
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+49 241 80-23316
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Administrative Director

Dipl.-Kff. Sandra Schumann-Heitzer

Curriculum Vitae

In 2017, Sandra Schumann-Heitzer took over as Head of Project Administration at DWI, bringing many years of professional and management experience in the private and social sectors. In this role, she coordinated the further development of the Leibniz Institute’s administrative structures. Following the departure of her predecessor, she assumed responsibility for her area of work in summer 2022 and has since also overseen the institute’s structural development, including the Leibniz Joint Lab “first in Translation”. In January 2023, the Board of Trustees initially appointed her Acting Administrative Director; since March 2026, she has held the position in a regular capacity.

  • Workshop

    André Ampen

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    A 0.11a
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  • Administration | Central Services

    Eunice De Matos

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  • Head of HR

    Claudia Desamerie

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    +49 241 80-23159
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    A 1.07
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    Claudia Desamerie
  • Administration | Central Services

    Christa Graalmann

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    +49 241 80-23192
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    A 1.07
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  • Administration | Central Services

    Paul Guske

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    +49 24180-23307
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    B3.74
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  • Secretariat

    Angela Huschens

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    +49 241 80-23305
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    Angela Huschens
  • Financial Accounting | Controlling

    Melanie Jahns

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    +49 241 80-23312
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  • Secretariat | Library

    Regina Krause

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    +49 241 80-23300
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    A1.05
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  • Administration | Central Services

    Michael Mäter

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    +49 241 80-23380
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    C1.07
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  • Assistant to the management

    Claudia Mohr

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    +49 241 80-23302
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    Portraitfoto Claudia Mohr
  • Science Support Team | Purchase

    Ardita Pronaj

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    +49 241 80-23321
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    A 0.07 b/c
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  • Administration | Central Services

    Dennis Rings

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    +49 241 80-23314
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    A1.08
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  • XPS-Messungen

    Dipl.-Ing. Joachim Roes

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    +49 241 80-23315
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    Joint lab fiT first floor
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  • Administration | Central Services

    Andrea Rutkiewicz

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    +49 241 80-23187
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    A1.08
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  • Science Support Team | Purchase

    Silke Scharfenberger

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    +49 241 80-23321
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  • Science Support Team | Purchase

    Leonie Sieberichs

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    +49 241 80-23346
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    A0.07 b/c
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  • Science Support Team | Network Administrator

    Ewgeni Stab

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    +49 241 80-23338
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    A 1.04
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  • Administration | Central Services

    Marwin Tönnies, B.Sc.

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    +49 241 80-23364
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    Joint lab fiT first floor
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