Dietmar Siemssen

Dietmar Siemssen

Chief Executive Officer at GERRESHEIMER AG

60 year
Process Industries
Producer Manufacturing
Consumer Durables

Network origin in Dietmar Siemssen first degree

EntityEntity typeIndustry
Public Company Automotive Aftermarket 62
Public Company Containers/Packaging 26
Public Company Auto Parts: OEM 8
6
Subsidiary Home Furnishings 6
6
Subsidiary Containers/Packaging 6
6
Subsidiary Containers/Packaging 6
5
Subsidiary Miscellaneous Manufacturing 5
5
Subsidiary Miscellaneous Manufacturing 5
4
Subsidiary Containers/Packaging 4
3
Subsidiary Miscellaneous Commercial Services 3
3
Subsidiary Pharmaceuticals: Major 3
3
Subsidiary Financial Conglomerates 3
2
Holding Company Wholesale Distributors 2
2
Subsidiary Containers/Packaging 2
2
Subsidiary Miscellaneous 2
1
Subsidiary Industrial Conglomerates 1
1
Subsidiary Containers/Packaging 1
1
Subsidiary Pharmaceuticals: Major 1

Chart of Companies connected to the second degree

Multi-company connection

Companies connected to Dietmar Siemssen via their personal network

CompanySectorRelated peopleMain position
DEUTSCHE TELEKOM AG Major Telecommunications

Wolfgang W. Reitzle

Rainer Beaujean

Thomas Sattelberger

Director/Board Member

Director of Finance/CFO

Human Resources Officer

SIEMENS AG Industrial Machinery

Wolfgang W. Reitzle

Helmut Matschi

Andrea Abt

Corinna Schittenhelm

President

Corporate Officer/Principal

Corporate Officer/Principal

Human Resources Officer

THYSSENKRUPP AG Steel

Alan Hippe

Peter Michael Noé

Director of Finance/CFO

Corporate Officer/Principal

Metal Fabrication

Klaus Rosenfeld

Georg Schaeffler

Chief Executive Officer

Chief Executive Officer

Metal Fabrication

Klaus Rosenfeld

Georg Schaeffler

Chief Executive Officer

Corporate Officer/Principal

SCHAEFFLER INDIA LIMITED Metal Fabrication

Klaus Rosenfeld

Corinna Schittenhelm

Director/Board Member

Director/Board Member

Tools & Hardware

Elmar Degenhart

Dirk Linzmeier

Corporate Officer/Principal

Corporate Officer/Principal

Auto Parts: OEM

Klaus Rosenfeld

Peter Gutzmer

Chief Executive Officer

Chairman

Metal Fabrication

Joachim Rauhut

Udo Günter Werner Stark

Stephan Josef Maria Kessel

Andi Klein

Ralf-Michael Fuchs

Dirk Linzmeier

Director/Board Member

Chairman

Chairman

Chairman

Director/Board Member

Director/Board Member

Universität zu Köln College/University

Uwe Ferdinand Röhrhoff

Peter Michael Noé

Annette Koehler

Undergraduate Degree

Undergraduate Degree

Doctorate Degree

Technische Universität München College/University

Wolfgang W. Reitzle

Wolfgang H. Ziebart

Michael Ruf

Mathias Mörtl

Undergraduate Degree

Doctorate Degree

Doctorate Degree

Doctorate Degree

Automotive Aftermarket

Alan Hippe

Hans-Joachim Nikolin

Elmar Degenhart

Nikolai Setzer

Christian Kötz

President

Director/Board Member

Chairman

Corporate Officer/Principal

Director/Board Member

MTU AERO ENGINES AG Aerospace & Defense

Joachim Rauhut

Udo Günter Werner Stark

Director/Board Member

Director/Board Member

GEA GROUP AG Industrial Machinery

Hartmut Eberlein

Annette Koehler

Director/Board Member

Director/Board Member

University of Münster College/University

Klaus Rosenfeld

Manfred Heinrich Wennemer

Undergraduate Degree

Graduate Degree

RWTH Aachen University College/University

Axel Herberg

Hans-Joachim Nikolin

Stephan Josef Maria Kessel

Undergraduate Degree

Undergraduate Degree

Doctorate Degree

University of Hamburg College/University

Ulrich Weiss

Axel Herberg

Undergraduate Degree

Doctorate Degree

Universität Stuttgart College/University

Peter Gutzmer

Elmar Degenhart

Ralf Cramer

Axel Joachim Maschka

Petra Mayer

Undergraduate Degree

Undergraduate Degree

Graduate Degree

Graduate Degree

Doctorate Degree

Technical University of Berlin College/University

Joachim Rauhut

Philip Nelles

Doctorate Degree

Graduate Degree

University of Duisburg-Essen College/University

Karl-Thomas Neumann

Annette Koehler

Doctorate Degree

Comptroller/Controller/Auditor

Containers/Packaging

Axel Herberg

Hans-Jürgen Elmar Wiecha

Andreas Schütte

Director/Board Member

Director/Board Member

Director/Board Member

University of Siegen College/University

Hans-Jürgen Elmar Wiecha

Bernd Metzner

Masters Business Admin

Doctorate Degree

Universität Ulm College/University

Annette Koehler

Dirk Linzmeier

Undergraduate Degree

Doctorate Degree

Miscellaneous Manufacturing

Manfred Heinrich Wennemer

Elmar Degenhart

Nikolai Setzer

Philip Nelles

Chief Executive Officer

Chairman

Chairman

Chief Executive Officer

Regional Banks

Gunter Dunkel

Stefan Scholz

Chief Executive Officer

Comptroller/Controller/Auditor

Automotive Aftermarket

Wolfgang Schäfer

Ralf Cramer

Director/Board Member

Director/Board Member

Containers/Packaging

Axel Herberg

Hans-Jürgen Elmar Wiecha

Andreas Schütte

Sonja Apel

Director/Board Member

Director/Board Member

Director/Board Member

Corporate Officer/Principal

Auto Parts: OEM

Helmut Matschi

Hans Fischl

Cornelia Stiewing

Chairman

Corporate Officer/Principal

Director/Board Member

Motor Vehicles

Wolfgang H. Ziebart

Peter Müller

Chief Executive Officer

President

Containers/Packaging

Axel Herberg

Uwe Ferdinand Röhrhoff

Hans-Jürgen Elmar Wiecha

Lukas Burkhardt

Director/Board Member

Chairman

Director/Board Member

Director/Board Member

Medical Specialties

Rainer Beaujean

Axel Herberg

Uwe Ferdinand Röhrhoff

Hans-Jürgen Elmar Wiecha

Bernd Metzner

Markus Rocholz

Lukas Burkhardt

Hartmut Schulz

Director/Board Member

Director/Board Member

Chairman

Director/Board Member

Director/Board Member

Director/Board Member

Chairman

Director/Board Member

Containers/Packaging

Axel Herberg

Hans-Jürgen Elmar Wiecha

Stefan Grote

Director/Board Member

Director/Board Member

Chairman

Auto Parts: OEM

Ralf Cramer

Frank Jourdan

Director/Board Member

Director/Board Member

Miscellaneous Commercial Services

Dirk Nordmann

Jörg Schönfelder

Francesco Grioli

Corporate Officer/Principal

Corporate Officer/Principal

Corporate Officer/Principal

Metal Fabrication

Elmar Degenhart

Corinna Schittenhelm

President

Human Resources Officer

Medical Specialties

Rainer Beaujean

Uwe Ferdinand Röhrhoff

Stefan Grote

Chairman

Director/Board Member

Chairman

Gerresheimer Shuangfeng Pharmaceutical Packaging (Zhenjiang)

Uwe Ferdinand Röhrhoff

Hans-Jürgen Elmar Wiecha

Stefan Grote

Lukas Burkhardt

Chairman

Director/Board Member

Chairman

Chairman

Automotive Aftermarket

Jörg Schönfelder

Wolfgang Schäfer

Nikolai Setzer

Christian Kötz

Director/Board Member

Director/Board Member

Chairman

Director/Board Member

Metal Fabrication

Klaus Rosenfeld

Georg Schaeffler

Peter Gutzmer

Chief Executive Officer

Chairman

Corporate Officer/Principal

SCHAEFFLER AG Auto Parts: OEM

Siegfried Wolf

Klaus Rosenfeld

Georg Schaeffler

Peter Gutzmer

Corinna Schittenhelm

Director/Board Member

Chief Executive Officer

Chairman

Chief Tech/Sci/R&D Officer

Human Resources Officer

Gerresheimer Shuangfeng Pharmaceutical Glass Danyang Co. Ltd.

Uwe Ferdinand Röhrhoff

Stefan Grote

Lukas Burkhardt

Chairman

Chairman

Chairman

Metal Fabrication

Klaus Rosenfeld

Georg Schaeffler

Corporate Officer/Principal

Corporate Officer/Principal

TI FLUID SYSTEMS PLC Auto Parts: OEM

Manfred Heinrich Wennemer

Bill Kozyra

Chairman

Chief Executive Officer

Miscellaneous Commercial Services

Uwe Ferdinand Röhrhoff

Bernd Metzner

Lukas Burkhardt

Director/Board Member

Director/Board Member

Director/Board Member

Auto Parts: OEM

Klaus Rosenfeld

Peter Gutzmer

Corinna Schittenhelm

Chief Executive Officer

Director/Board Member

Director/Board Member

VITESCO TECHNOLOGIES GROUP AG Auto Parts: OEM

Siegfried Wolf

Klaus Rosenfeld

Georg Schaeffler

Holger Siebenthaler

Cornelia Stiewing

Chairman

Director/Board Member

Director/Board Member

Director/Board Member

Director/Board Member

Miscellaneous Manufacturing

Nikolai Setzer

Philip Nelles

Chairman

Chief Executive Officer

Containers/Packaging

Axel Herberg

Uwe Ferdinand Röhrhoff

Hans-Jürgen Elmar Wiecha

Stefan Grote

Lukas Burkhardt

Director/Board Member

Director/Board Member

Director/Board Member

Chairman

Chairman

Statistics

International

Germany 36
United States 6
China 3
India 2
Spain 2

Sectoral

Producer Manufacturing 19
Consumer Services 11
Consumer Durables 6
Process Industries 6
Electronic Technology 3

Operational

Director/Board Member 422
Chairman 164
Corporate Officer/Principal 152
Chief Executive Officer 113
Independent Dir/Board Member 61