Mark Klein

Mark Klein

Chief Executive Officer at ERGO Digital Ventures AG

52 year
Communications
Consumer Services
Finance

Network origin in Mark Klein first degree

EntityEntity typeIndustry
RWTH Aachen University
39
College/University Other Consumer Services 39
Public Company Major Telecommunications 27
19
Subsidiary Specialty Telecommunications 19
3
Subsidiary Multi-Line Insurance 3
2
Subsidiary Information Technology Services 2

Chart of Companies connected to the second degree

Multi-company connection

Companies connected to Mark Klein via their personal network

CompanySectorRelated peopleMain position
DEUTSCHE TELEKOM AG Major Telecommunications

Ralph Roland Rentschler

Mark Nierwetberg

Stephan Eger

Eirini Nikolaidi

Kai-Ulrich Deissner

Comptroller/Controller/Auditor

Public Communications Contact

Investor Relations Contact

Director/Board Member

Director of Finance/CFO

MUNICH RE Life/Health Insurance

Markus Rieß

Torsten Jeworrek

Corporate Officer/Principal

Corporate Officer/Principal

Specialty Telecommunications

Karsten Wildberger

Corporate Officer/Principal

EON SE Electric Utilities

Karsten Wildberger

Oliver Giese

Corporate Officer/Principal

Corporate Officer/Principal

HELLENIC TELECOMMUNICATIONS ORGANIZATION S.A. Wireless Telecommunications

Elias Drakopoulos

Roland Mahler

Eirini Nikolaidi

Chief Operating Officer

Director/Board Member

General Counsel

Miscellaneous Commercial Services

Albert Kim

Wulf Böttger

Corporate Officer/Principal

Corporate Officer/Principal

MAGYAR TELEKOM TÁVKÖZLÉSI NYILVÁNOSAN MÜKÖDÖ RÉSZVÉNYTÁRSASÁG Major Telecommunications

Ralph Roland Rentschler

Branka Skaramuca

Lubor Zatko

Director/Board Member

Director/Board Member

Chief Tech/Sci/R&D Officer

Cable/Satellite TV

Craig Butcher

Miloš Mastník

Director/Board Member

Chief Executive Officer

Tools & Hardware

Ralph Roland Rentschler

Iris Grässler

Director/Board Member

Corporate Officer/Principal

Insurance Brokers/Services

Markus Rieß

Sebastian Rapsch

Chairman

Corporate Officer/Principal

Electric Utilities

Karsten Wildberger

Chairman

Wireless Telecommunications

Karsten Wildberger

Corporate Officer/Principal

Insurance Brokers/Services

Markus Rieß

Torsten Jeworrek

Chairman

Director/Board Member

University of Cambridge College/University

Kai-Ulrich Deissner

Doctorate Degree

Specialty Telecommunications

Ralph Roland Rentschler

Hans-Peter Schultz

Lubor Zatko

Director/Board Member

Chairman

Corporate Officer/Principal

AS LATVIJAS GAZE Gas Distributors

Andreas Rau

Oliver Giese

Director/Board Member

Director/Board Member

MAKEDONSKI TELEKOM AD SKOPJE Specialty Telecommunications

David Kopriva

Lubor Zatko

Director/Board Member

Director/Board Member

College/University

Frank Menzler

Elias Drakopoulos

Uršula Králová

Masters Business Admin

Doctorate Degree

Masters Business Admin

INSEAD College/University

Craig Butcher

Elias Drakopoulos

Karsten Wildberger

Masters Business Admin

Graduate Degree

Masters Business Admin

Technische Universität München College/University

Karsten Wildberger

Undergraduate Degree

Wireless Telecommunications

Karsten Wildberger

Corporate Officer/Principal

University College London College/University

Oliver Knipping

Eirini Nikolaidi

Doctorate Degree

Graduate Degree

Electric Utilities

Karsten Wildberger

Director/Board Member

University of Zagreb College/University

Irena Jolic Šimovic

Branka Skaramuca

Damir Grbavac

Marija Felkel

Boris Batelic

Igor Radojkovic

Undergraduate Degree

Graduate Degree

Undergraduate Degree

Graduate Degree

Undergraduate Degree

Corporate Officer/Principal

Investment Managers

Craig Butcher

Robert Chmelar

Ratko Jovic

Private Equity Investor

Director/Board Member

Private Equity Investor

Vysoká škola ekonomická v Praze College/University

Miloš Mastník

Robert Chmelar

Undergraduate Degree

Undergraduate Degree

CHROMOS AGRO D.D. Chemicals: Agricultural

Arijana Bazala-Mišetic

Director/Board Member

OT-OPTIMA TELEKOM D.D. Major Telecommunications

Arijana Bazala-Mišetic

Siniša Ðuranovic

Maša Serdinšek

Boris Batelic

Igor Radojkovic

Director/Board Member

Chairman

Director/Board Member

Chief Executive Officer

Director/Board Member

Electronics/Appliance Stores

Kai-Ulrich Deissner

Karsten Wildberger

Chief Executive Officer

Chief Executive Officer

T-Mobile Hrvatska doo

Branka Skaramuca

Johan H. M. Busé

Director/Board Member

Sales & Marketing

Miscellaneous Commercial Services

Karsten Wildberger

Director/Board Member

Packaged Software

Ralph Roland Rentschler

Kai-Ulrich Deissner

Director/Board Member

Director/Board Member

Specialty Telecommunications

Ralph Roland Rentschler

Frank Meywerk

Director/Board Member

Chief Tech/Sci/R&D Officer

Steel

Isabel Corinna Knauf

Arnd Köfler

Corporate Officer/Principal

Chief Tech/Sci/R&D Officer

Commercial Printing/Forms

Karsten Wildberger

Director/Board Member

FORTUNA ENTERTAINMENT GROUP NV Media Conglomerates

Barbora Stejskalová

Vladimir Klein

Human Resources Officer

Chief Tech/Sci/R&D Officer

CRNOGORSKI TELEKOM AD PODGORICA Specialty Telecommunications

Sussane Maria Krogmann

Siniša Ðuranovic

Director/Board Member

Chairman

Telecommunications Equipment

Arijana Bazala-Mišetic

Public Communications Contact

E.ON Energie as

Karsten Wildberger

Chairman

Electric Utilities

Karsten Wildberger

Director/Board Member

Faculty of Economics & Business Zagreb College/University

Arijana Bazala-Mišetic

Maša Serdinšek

Undergraduate Degree

Undergraduate Degree

Pravni Fakultet U Zagrebu College/University

Siniša Ðuranovic

Undergraduate Degree

Miscellaneous Commercial Services

Karsten Wildberger

Chief Executive Officer

Electric Utilities

Karsten Wildberger

Chairman

CECONOMY AG Department Stores

Kai-Ulrich Deissner

Karsten Wildberger

Director of Finance/CFO

Chief Executive Officer

Specialty Telecommunications

Kai-Ulrich Deissner

Chief Executive Officer

Focus GmbH

Kai-Ulrich Deissner

Corporate Officer/Principal

Financial Conglomerates

Siniša Ðuranovic

Corporate Officer/Principal

Insurance Brokers/Services

Markus Rieß

Sebastian Rapsch

Chairman

Chief Executive Officer

Statistics

International

Germany 21
Croatia 9
United Kingdom 6
Czech Republic 4
Netherlands 4

Sectoral

Communications 14
Consumer Services 12
Finance 7
Utilities 7
Commercial Services 5

Operational

Director/Board Member 140
Corporate Officer/Principal 117
Chief Executive Officer 48
Undergraduate Degree 43
Chairman 43