Guillaume Maisondieu
Comptroller/Controller/Auditor at DEUTSCHE TELEKOM AG
Network origin in Guillaume Maisondieu first degree
| Entity | Entity type | Industry | |
|---|---|---|---|
| Public Company | Major Telecommunications | 112 | |
T-Systems International GmbH
 T-Systems International GmbH Information Technology ServicesTechnology Services T-Systems International GmbH engages in the development, implementation, operation, and marketing of client- and industry-specific solutions in the information processing and telecommunications sectors. These include security, data processing, information management, training, and consulting services. The company was founded on August 30, 2004 and is headquartered in Frankfurt, Germany.
18
| Subsidiary | Information Technology Services | 18 |
Chart of Companies connected to the second degree
Multi-company connection
Companies connected to Guillaume Maisondieu via their personal network
| Company | Sector | Related people | Main position |
|---|---|---|---|
Telekom Deutschland GmbH
 Telekom Deutschland GmbH Major TelecommunicationsCommunications Telekom Deutschland GmbH provides mobile communication services. It offers fixed network telephony, broadband Internet, mobile voice and data, and IPTV products and services. The firm's technologies for mobile data transmission include GPRS, EDGE, W-LAN, UMTS, and HSDPA. The company was founded in 1993 and is headquartered in Bonn, Germany. | Major Telecommunications | Director/Board Member Director/Board Member Human Resources Officer Chairman Director/Board Member Director/Board Member Chief Executive Officer Sales & Marketing Director of Finance/CFO Sales & Marketing Chief Tech/Sci/R&D Officer Director/Board Member Corporate Officer/Principal Director/Board Member Human Resources Officer Director/Board Member Director/Board Member Corporate Officer/Principal | |
| T-MOBILE US | Wireless Telecommunications | Chairman Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Corporate Officer/Principal | |
T-Mobile International AG
 T-Mobile International AG Wireless TelecommunicationsCommunications T-Mobile International AG & Co. KG provides telecommunications services. As strategic business segment of Deutschen Telekom AG for mobile telephony, the company concentrates on mobile telephony markets in Europe and the USA. The company is a partner of the FreeMove alliance, which they founded together with three other european mobile phone providers: Orange, Telefónica Móviles Espana and TIM (Telecom Italia Mobile). The company was founded in 1999 and is headquartered in Bonn, Germany. | Wireless Telecommunications | Director/Board Member Public Communications Contact Corporate Officer/Principal Corporate Officer/Principal Corporate Officer/Principal Corporate Officer/Principal Sales & Marketing Director/Board Member Sales & Marketing | |
| MAGYAR TELEKOM TÁVKÖZLÉSI NYILVÁNOSAN MÜKÖDÖ RÉSZVÉNYTÁRSASÁG | Major Telecommunications | Director/Board Member Director/Board Member Director/Board Member Director/Board Member Corporate Officer/Principal Director/Board Member Director/Board Member Comptroller/Controller/Auditor | |
T-Mobile USA, Inc.
 T-Mobile USA, Inc. Wireless TelecommunicationsCommunications T-Mobile USA, Inc. engages in the provision of wireless voice, messaging, and data services. It offers different plans for phones and tablets. The company was founded by John W. Stanton in 1994 and is headquartered in Bellevue, WA. | Wireless Telecommunications | Chairman Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Corporate Officer/Principal | |
| HELLENIC TELECOMMUNICATIONS ORGANIZATION S.A. | Wireless Telecommunications | Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member | |
| HRVATSKI TELEKOM D.D. | Major Telecommunications | Director/Board Member Chairman Director/Board Member Chairman Director of Finance/CFO Director/Board Member | |
Digital Transformation Capital Partners GmbH
 Digital Transformation Capital Partners GmbH Investment ManagersFinance Digital Transformation Capital Partners GmbH (DTCP) is an independent private equity and venture capital firm. It was founded by Vicente Vento Bosch in 2015. The firm is headquartered in Hamburg, Germany. | Investment Managers | Consultant / Advisor Consultant / Advisor Consultant / Advisor Consultant / Advisor Private Equity Investor | |
Deutsche Telekom IT GmbH
 Deutsche Telekom IT GmbH Packaged SoftwareTechnology Services Founded in 1999, Deutsche Telekom IT GmbH is a German software development company that develops software applications. The company is based in Bonn, Germany and is a subsidiary of Deutsche Telekom AG. | Packaged Software | Director/Board Member Director/Board Member Chairman Director/Board Member Director/Board Member | |
T-Mobile Czech Republic as
 T-Mobile Czech Republic as Specialty TelecommunicationsCommunications T-Mobile Czech Republic a.s. provides telecommunications services. The company offers mobile telecommunication services, internet, television, mobile phones, tablets, laptops and modems. The company was founded on February 15, 1996 and is headquartered in Prague, Czech Republic. | Specialty Telecommunications | Corporate Officer/Principal Director of Finance/CFO Chief Executive Officer Director/Board Member | |
T-Systems Enterprise Services GmbH
 T-Systems Enterprise Services GmbH Information Technology ServicesTechnology Services Drawing on a global infrastructure of data centers and networks, T-Systems operates information and communication technology (ICT) systems for multinational corporations and public sector institutions. On this basis, the company provides integrated solutions for the networked future of business and society. T-Systems combines industry expertise and ICT innovations to add significant value to customers' core business all over the world. | Information Technology Services | Director/Board Member Chairman Corporate Officer/Principal Corporate Officer/Principal | |
| MERCEDES-BENZ GROUP AG | Motor Vehicles | Director/Board Member Director/Board Member Director/Board Member Human Resources Officer | |
T-Mobile Austria GmbH
 T-Mobile Austria GmbH Wireless TelecommunicationsCommunications T-Mobile Austria GmbH engages in the provision of mobile telecommunications, fixed-line network, and Internet services. It also operates an online platform, which offers mobile phones. The company was founded in October 1996 and is headquartered in Vienna, Austria. | Wireless Telecommunications | Director/Board Member Chairman Director/Board Member Comptroller/Controller/Auditor | |
Buyin SA
 Buyin SA Real Estate DevelopmentFinance Buyin SA is a Belgian procurement company that specializes in telecommunications industry. Buyin is based in Brussels, BE. The private company provides technical consultancy with commercial cost insights and leverage scale and innovation across all the strategic telco product categories. The company creates solutions to increase competitiveness on the basis of a demand plan and in constant interaction with their customers. The company has a proven track of building strong long-term relationships with suppliers and partners. Béatrice Felder has been the CEO of the company since 2019. | Real Estate Development | Director/Board Member Chairman Director/Board Member Chief Executive Officer | |
| Deutsche Telekom Services Europe SE | Director/Board Member Chairman Director/Board Member Director/Board Member | ||
| THYSSENKRUPP AG | Steel | Chairman Director/Board Member Chief Executive Officer General Counsel | |
| HENKEL AG & CO. KGAA | Household/Personal Care | Chief Executive Officer Director/Board Member Director/Board Member Director/Board Member | |
| University of Bonn | College/University | Doctorate Degree Graduate Degree Graduate Degree | |
| NOKIA OYJ | Telecommunications Equipment | Director/Board Member Chairman Director/Board Member | |
| INFINEON TECHNOLOGIES AG | Semiconductors | Director/Board Member Director/Board Member Chief Executive Officer | |
| DHL GROUP | Air Freight/Couriers | Director/Board Member Chief Executive Officer Director/Board Member | |
| Telekom Shop Vertriebsgesellschaft mbH | Chairman Chairman Corporate Officer/Principal | ||
| Technische Universität München | College/University | Undergraduate Degree Graduate Degree Undergraduate Degree | |
EE Ltd.
 EE Ltd. Major TelecommunicationsCommunications EE Ltd. engages in the provision of telecommunications, broadband, services and equipment. The company was founded on May 10, 1989 and is headquartered in London, the United Kingdom. | Major Telecommunications | Chairman Chairman Director/Board Member | |
| BT GROUP PLC | Major Telecommunications | Director/Board Member Director/Board Member Corporate Officer/Principal | |
| Ludwig-Maximilians-Universität München | College/University | Undergraduate Degree Undergraduate Degree Undergraduate Degree | |
Deutsche Telekom Technik GmbH
 Deutsche Telekom Technik GmbH Specialty TelecommunicationsCommunications Part of Deutsche Telekom AG, Deutsche Telekom Technik GmbH is a German telecommunications company. The company is based in Bonn, Germany. The CEOs are Abdurazak Mudesir, Christian Kramm, Peter Beutgen. The company was founded in 2005. | Specialty Telecommunications | Chairman Corporate Officer/Principal Director/Board Member | |
| INSEAD | College/University | Masters Business Admin Masters Business Admin Masters Business Admin | |
Vereinte Dienstleistungsgewerkschaft
 Vereinte Dienstleistungsgewerkschaft Miscellaneous Commercial ServicesCommercial Services Vereinte Dienstleistungsgewerkschaft is a trade union based in Germany. The German company provides information on current issues in society, business, politics, culture, and trade union issues through its publication, Ver.di Publik, which appears eight times a year. Ver.di is an expert in good work, fair wages, work-life balance, equal rights, and more. The company takes the time to answer questions and discuss topics in online meetings with its members. Ver.di positions itself with resolutions, declarations, and statements on legislative initiatives and much more. Ver.di TV provides surveys, backgrounds, portraits, reports, and more on the world of work and society. | Miscellaneous Commercial Services | Corporate Secretary Corporate Secretary Corporate Officer/Principal | |
| Deutsche Telekom Services Europe GmbH | Director/Board Member Director/Board Member Director/Board Member | ||
| Fachhochschule Düsseldorf | College/University | Undergraduate Degree Undergraduate Degree | |
KfW
 KfW General GovernmentGovernment KfW provides housing-related loans, grants, and financing services. The firm offers financing for infrastructure projects for municipalities, global funding to regional development agencies and financial institutions, and export and project finance. It also promotes small and medium-sized enterprises, business founders, start-ups, self-employed professionals, and developing and transition countries. The company was founded on November 18, 1948 and is headquartered in Frankfurt am Main, Germany. | General Government | Chief Executive Officer Chief Executive Officer | |
FC Bayern München AG
 FC Bayern München AG Movies/EntertainmentConsumer Services FC Bayern München AG is a football clubs, which sponsors sports professional and teams. It provides FCB.tv and shop as well as ticketing, auction, training, maintaining league time tables, match reports, sports news, and community services. The company was founded by Franz John on February 27, 1900 and is headquartered in Munich, Germany. | Movies/Entertainment | Director/Board Member Director/Board Member | |
| University of Vienna | College/University | Graduate Degree Graduate Degree | |
| Universität zu Köln | College/University | Undergraduate Degree Corporate Officer/Principal | |
| Stanford Graduate School of Business | College/University | Masters Business Admin Graduate Degree | |
| SOFTWARE AG | Packaged Software | Chief Executive Officer Human Resources Officer | |
Hypo Real Estate Holding GmbH
 Hypo Real Estate Holding GmbH Finance/Rental/LeasingFinance Hypo Real Estate Holding GmbH is a finance company, which engages in commercial real estate financing. The company was founded on September 29, 2003 and is headquartered in München, Germany. | Finance/Rental/Leasing | Director/Board Member Director/Board Member | |
KfW IPEX-Bank GmbH
 KfW IPEX-Bank GmbH Regional BanksFinance KfW IPEX-Bank GmbH provides project, corporate, trade and export finance services. It offers medium to long-term financing solutions to support the German and European economy. The firm finances economic and social infrastructure in Europe, helps to secure the supply of raw materials and supports the realization of environmental and climate protection projects - all over the world. It finances for ships, aircraft and railroad vehicles as well as for investments in the expansion of airports and seaports. The firm provides tailor-made financing solutions for energy and environmental protection projects. The company was founded in 1948 and is headquartered in Frankfurt, Germany. | Regional Banks | Director/Board Member Director/Board Member | |
| Johann Wolfgang Goethe-Universität Frankfurt am Main | College/University | Graduate Degree Graduate Degree | |
Microsoft Deutschland GmbH
 Microsoft Deutschland GmbH Packaged SoftwareTechnology Services Microsfot Deutschland GmbH is a distributor of software products. It offers operating systems for computers and mobile phones, cloud services, and programming services. The company was founded in 1983 and is headquartered in Unterschließheim, Germany, with offices within the country. | Packaged Software | Chief Executive Officer Human Resources Officer | |
| BERTELSMANN SE & CO. KGAA | Movies/Entertainment | Corporate Officer/Principal Public Communications Contact | |
Amdocs (Israel) Ltd.
 Amdocs (Israel) Ltd. Packaged SoftwareTechnology Services Amdocs (Israel) Ltd. provides information solutions to the communications industry worldwide. It offers customer care, billing, and order management systems for communications and Internet services providers; and business support systems for directory publishing companies. The company was founded in 1987 and is headquartered in Raanana, Israel. | Packaged Software | Corporate Officer/Principal Chief Tech/Sci/R&D Officer | |
| University of Augsburg | College/University | Masters Business Admin Graduate Degree | |
Citigroup Global Markets Europe AG
 Citigroup Global Markets Europe AG Investment Banks/BrokersFinance Citigroup Global Markets Europe AG is the German brokerage subsidiary of Citigroup Global Markets Finance Corp. & Co. beschkränkt, ultimately held by Citigroup, Inc. (NYSE: C) in the US. Headquartered in Frankfurt, the firm was founded in 1926 and provides a full spectrum of brokerage services that allows clients to access equity trading, such as shares, ETFs and Fixed Income securities across the world on 37 different stock markets. Equities include common stocks, preferred shares, ETFs and Depositary Receipts. Fixed Incomes include Corporate and Governments bonds trading in a wide range of currencies, coupon types and maturity ranges, both Investment Grade and non-Investment Grades. | Investment Banks/Brokers | Chairman Chief Executive Officer | |
Vereinigte Postversicherung VVaG
 Vereinigte Postversicherung VVaG Life/Health InsuranceFinance Vereinigte Postversicherung VVaG, also known as VPV, is a German modern insurance company that provides insurance and wealth planning services. The company is based in Stuttgart, Germany and has subsidiaries in Germany. The private company offers top customer service and have received high customer ratings. The company helps customers determine which insurance policies they need and offers personalized consultations with their VPV advisors. VPV has been serving its customers and partners since 1827. The CEO of the company is Ulrich Gauß. | Life/Health Insurance | Director/Board Member Director/Board Member | |
Verband der Chemischen Industrie eV
 Verband der Chemischen Industrie eV Miscellaneous Commercial ServicesCommercial Services Verband der Chemischen Industrie eV operates a chemical industry association. The non-profit company is based in Frankfurt am Main, Germany. | Miscellaneous Commercial Services | President Corporate Officer/Principal |
Statistics
International
| Germany | 36 |
| United States | 4 |
| Austria | 3 |
| United Kingdom | 3 |
| Hungary | 2 |
Sectoral
| Communications | 13 |
| Consumer Services | 13 |
| Technology Services | 9 |
| Finance | 7 |
| Electronic Technology | 3 |
Operational
| Director/Board Member | 413 |
| Corporate Officer/Principal | 209 |
| Chairman | 143 |
| Chief Executive Officer | 90 |
| Undergraduate Degree | 48 |
Most connected contacts
| Insiders | |
|---|---|
| Ines Kolmsee | 34 |
| Michael Kaschke | 33 |
| Sari Maritta Baldauf | 30 |
| Karl-Heinz Streibich | 28 |
| Margret Suckale | 26 |
| Wolfgang W. Reitzle | 24 |
| Guido Kerkhoff | 24 |
| Yvette M. Dominique Leroy | 24 |
| Edward R. Kozel | 23 |
| Martin Karl Enderle | 23 |
| Dagmar P. Kollmann | 22 |
| Thorsten Langheim | 20 |
| Anna Mossberg | 19 |
| Dirk Wössner | 18 |
| Ulrich Lehner | 18 |
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