Leonhard Birnbaum
Chief Executive Officer at EON SE
Network origin in Leonhard Birnbaum first degree
| Entity | Entity type | Industry | |
|---|---|---|---|
76
| Public Company | Electric Utilities | 76 |
Mckinsey & Co., Inc. (Germany)
33
| Subsidiary | 33 | |
World Energy Council
 World Energy Council Miscellaneous Commercial ServicesCommercial Services World Energy Council operates as global network of energy leaders and practitioners dedicated to delivering a sustainable energy system. The company was founded in 1923 and is headquartered in London, the United Kingdom.
33
| Private Company | Miscellaneous Commercial Services | 33 |
32
| Public Company | Electric Utilities | 32 |
Union of Electricity Industry
 Union of Electricity Industry Miscellaneous Commercial ServicesCommercial Services The Union of Electricity Industry operates as a trade association. The non-profit company is based in Brussels, Belgium.
15
| Non-Profit Organization | Miscellaneous Commercial Services | 15 |
The World Energy Council Services Ltd.
 The World Energy Council Services Ltd. Miscellaneous Commercial ServicesCommercial Services The World Energy Council Services Ltd. provides energy council services. The company was founded in 1923 and is headquartered in London, the United Kingdom.
14
| Subsidiary | Miscellaneous Commercial Services | 14 |
Georgsmarienhütte Holding GmbH
 Georgsmarienhütte Holding GmbH SteelNon-Energy Minerals Georgsmarienhütte Holding GmbH operates as a renewables and environment company. It focuses on the mobility, energy, and engineering industries. The company was founded by Jürgen Grossmann on October 1, 1997 and is headquartered in Georgsmarienhuette, Germany.
14
| Holding Company | Steel | 14 |
E.ON Kundsupport Sverige AB
 E.ON Kundsupport Sverige AB Miscellaneous Commercial ServicesCommercial Services Part of E.ON SE, E.ON Kundsupport Sverige AB engages in the operation of a call center. The company is based in Malmö, Sweden. Leonhard Birnbaum has been the CEO of the Swedish company since 2021.
10
| Subsidiary | Miscellaneous Commercial Services | 10 |
| Extinct | Alternative Power Generation | 9 | |
Bundesverband der Deutschen Energie und Wasserwirtschaft eV
 Bundesverband der Deutschen Energie und Wasserwirtschaft eV Gas DistributorsUtilities Bundesverband der Deutschen Energie und Wasserwirtschaft eV supplies and generates gas, electricity and bio power. The private company is based in Berlin, Germany.
4
| Private Company | Gas Distributors | 4 |
RWE Turkey Holding AS
2
| Subsidiary | 2 | |
E.ON Country Hub Germany GmbH
 E.ON Country Hub Germany GmbH Electric UtilitiesUtilities Part of E.ON SE, E.ON Country Hub Germany GmbH provides electricity services. The company is based in Berlin, Germany. The CEOs of the German company are Ruth Werhahn, Peter André Simon, Michael Witt.
2
| Subsidiary | Electric Utilities | 2 |
Brandenburg University of Technology Cottbus
1
| College/University | Other Consumer Services | 1 |
Chart of Companies connected to the second degree
Multi-company connection
Companies connected to Leonhard Birnbaum via their personal network
| Company | Sector | Related people | Main position |
|---|---|---|---|
| DEUTSCHE BANK AG | Investment Banks/Brokers | Director/Board Member Director/Board Member Corporate Officer/Principal Director/Board Member Director/Board Member | |
| BAYER AG | Pharmaceuticals: Major | Director of Finance/CFO Chief Executive Officer Chairman | |
| SIEMENS AG | Industrial Machinery | Director/Board Member Director/Board Member Corporate Officer/Principal | |
| LUFTHANSA | Airlines | Director/Board Member Director/Board Member Chairman | |
Süwag Energie AG
 Süwag Energie AG Alternative Power GenerationUtilities Süwag Energie AG distributes electricity, natural gas and heat. It offers these products and its related services to both private and corporate clients. The company was founded in 2001 and is headquartered in Frankfurt, Germany. | Alternative Power Generation | Chairman Chairman Corporate Officer/Principal Director/Board Member Director/Board Member | |
| COMMERZBANK AG | Regional Banks | Director/Board Member Director/Board Member Director/Board Member | |
| BMW AG | Motor Vehicles | Director/Board Member Corporate Officer/Principal | |
| LECHWERKE AG | Electric Utilities | Chairman Chairman Director/Board Member | |
Deutsche Bahn AG
 Deutsche Bahn AG RailroadsTransportation Deutsche Bahn AG engages in the provision of mobility, logistics, and passenger transport services. It operates through the following segments: DB Long-Distance, DB Regional, DB Arriva, DB Cargo, DB Schenker, DB Netze bStations, and DB Netza Energy. The company was founded in 1994 and is headquartered in Berlin, Germany. | Railroads | Director/Board Member Director/Board Member Chief Tech/Sci/R&D Officer Director/Board Member | |
| IKB DEUTSCHE INDUSTRIEBANK AG | Major Banks | Director/Board Member Director/Board Member | |
| ENCAVIS AG | Electric Utilities | Chairman Chief Executive Officer | |
STEAG GmbH
 STEAG GmbH Electric UtilitiesUtilities STEAG GmbH engages in the planning, development, construction, and operation of power plants and storage facilities. Its services include conventional power generation, energy trading and optimization, district heating, as well as distributed generation. The company was founded in 1937 and is headquartered in Essen, Germany. | Electric Utilities | President Chairman Chairman | |
E.ON Sverige AB
 E.ON Sverige AB Electric UtilitiesUtilities E.ON Sverige AB trades and distributes energy and provides energy-related services. It offers electricity, renewable energy, gas, heating, cooling, and waste treatment. The company is headquartered in Malmo, Sweden. | Electric Utilities | Director/Board Member Chairman Director/Board Member Comptroller/Controller/Auditor Chairman | |
Essent N.V.
 Essent N.V. Electric UtilitiesUtilities Essent NV engages in the supply of electricity, gas, and heat to consumers and corporations. It offers electricity generated through biomass, wind energy, combined heat and power plants. The company was founded in 1999 and is headquartered in ’s-Hertogenbosch, the Netherlands. | Electric Utilities | Director/Board Member Director/Board Member Chairman | |
RWE Power AG
 RWE Power AG Electric UtilitiesUtilities RWE Power AG engages in the production, generation, and distribution of electricity. It operates coal, nuclear, hydroelectric, and other conventional power plants. The firm also specializes in the extraction of energy raw materials. The company is headquartered in Essen, Germany. | Electric Utilities | Chairman Chairman | |
Stadtwerke Essen AG
 Stadtwerke Essen AG Oil & Gas PipelinesIndustrial Services Stadtwerke Essen AG provides natural gas and water supply services. It also supplies power and treats sewage. The company was founded in 1979 and is headquartered in Essen, Germany. | Oil & Gas Pipelines | Director/Board Member Director/Board Member Director/Board Member | |
envia Mitteldeutsche Energie AG
 envia Mitteldeutsche Energie AG Electric UtilitiesUtilities envia Mitteldeutsche Energie AG operates as an investment holding company which focuses on the electricity distribution, gas, water supply, and telecommunications sectors. The company was founded in 1999 and is headquartered in Chemnitz, Germany. | Electric Utilities | Chairman Chairman Director/Board Member Director/Board Member | |
Avacon AG
 Avacon AG Electric UtilitiesUtilities Avacon AG operates as a regional energy service provider. Its services include energy and natural gas distribution, water supply, as well as district heating. The firm also offers technical and infrastructure services. The company was founded in 1999 and is headquartered in Helmstedt, Germany. | Electric Utilities | Chief Executive Officer Chief Executive Officer Chairman | |
Thüga AG
 Thüga AG Electric UtilitiesUtilities Thüga AG operates as a holding company with interests in the energy and water sectors. It provides consulting services with its technical know-how and market assessments to partner companies, as well as ensures the financial support of municipal enterprises. The company was founded by Theodor Weigel in November 1867 and is headquartered in Munich, Germany. | Electric Utilities | Corporate Officer/Principal Chief Executive Officer Chief Executive Officer | |
RWE Generation UK Plc
 RWE Generation UK Plc Alternative Power GenerationUtilities RWE Generation UK Plc engages in the supply of gas and electricity. The company was founded on December 13, 1999 and is headquartered in Swindon, the United Kingdom. | Alternative Power Generation | Chairman Chief Operating Officer | |
RheinEnergie AG
 RheinEnergie AG Water UtilitiesUtilities RheinEnergie AG engages in the production, trading, network operation, as well as distribution of energy and water. Its products include electricity, natural gas, water, district and local heating, as well as steam. The firm also provides energy-related services. The company was founded in 1863 and is headquartered in Cologne, Germany. | Water Utilities | Chief Executive Officer Director/Board Member Director/Board Member | |
Electric Power Research Institute, Inc.
 Electric Power Research Institute, Inc. Miscellaneous Commercial ServicesCommercial Services Electric Power Research Institute, Inc. provides energy and environmental research services. It conducts research and development relating to the generation, delivery and use of electricity for the benefit of the public. The firm also provides technology, policy and economic analyses to drive long-range research and development planning and supports research in emerging technologies. The company was founded in 1972 and is headquartered in Palo Alto, CA. | Miscellaneous Commercial Services | Chief Executive Officer Director/Board Member Director/Board Member | |
E.ON Hanse AG
 E.ON Hanse AG Electric UtilitiesUtilities E.ON Hanse AG provides utility services by providing natural gas, electricity, water, and waste management services. It also offers energy supply plans and real estate development services to local governments. It was created by the merger of Schleswag (Rendsburg), Hein gas (Hamburg), and Hanse gas (Schwerin). The company is headquartered in Quickborn, Germany. | Electric Utilities | Chairman Chairman | |
| University of Münster | College/University | Undergraduate Degree Masters Business Admin Undergraduate Degree Masters Business Admin | |
E.ON Energie AG
 E.ON Energie AG Electric UtilitiesUtilities E.ON Energie AG is a provider of energy services. Most of its activities are concentrated in the countries of Central Europe and Central Eastern Europe. It's power stations in Germany and abroad generate electricity and, in some cases, district heating, and have a total installed capacity of some 27,000 megawatts (MW). It's German nuclear subsidiary, E.ON Kernkraft, owns / co-owns 12 reactors in Germany's Bavaria, Lower Saxony, and Schleswig-Holstein regions, with a net installed capacity of about 8,500 MW | Electric Utilities | Chief Executive Officer Chief Executive Officer Director/Board Member | |
| University of Bayreuth | College/University | Undergraduate Degree Doctorate Degree | |
| Swiss Federal Institute of Technology | College/University | Undergraduate Degree Undergraduate Degree | |
| Ludwig-Maximilians-Universität München | College/University | Doctorate Degree Doctorate Degree Doctorate Degree Doctorate Degree | |
Bundesverband der Deutschen Industrie e.V.
 Bundesverband der Deutschen Industrie e.V. Miscellaneous Commercial ServicesCommercial Services Bundesverband der Deutschen Industrie e.V. provides information on the German industry, economy, and economic policies. The private company is based in Berlin, Germany. The German company organizes events that bring together business, politics, science, and civil society for discussions, whether virtually, in-person, or hybrid. The company was founded by Gerhard Schempp. | Miscellaneous Commercial Services | President Corporate Officer/Principal Corporate Officer/Principal President Corporate Officer/Principal | |
| Mexican Natural Gas Association | Corporate Officer/Principal President | ||
Energy Council of Canada
 Energy Council of Canada Miscellaneous Commercial ServicesCommercial Services Energy Council of Canada is a non-partisan organization that promotes excellence in Canadian energy leadership both domestically and internationally. The non-profit company is based in Ottawa, Canada. The organization is neutral in terms of resources and technology and aims to provide a platform for the energy sector to come together and discuss important issues. | Miscellaneous Commercial Services | Director/Board Member Corporate Officer/Principal | |
| ENGIE | Electric Utilities | Director/Board Member Corporate Officer/Principal | |
Nord Stream AG
 Nord Stream AG Oil & Gas PipelinesIndustrial Services Nord Stream AG develops and builds a gas pipeline. It operates offshore pipeline supplies natural gas to businesses and households. The company was founded in 2005 and is headquartered in Woodcliff Lake, NJ. | Oil & Gas Pipelines | Director/Board Member Director/Board Member | |
innogy Netze Deutschland GmbH
 innogy Netze Deutschland GmbH Alternative Power GenerationUtilities innogy Netze Deutschland GmbH engages in the production and distribution of electricity, natural gas, district heating, and water. It also constructs, operates, acquires, and utilizes network facilities, as well as transport, storage, and distribution systems for its products. In addition, the firm also provides associated services. The company is headquartered in Essen, Germany. | Alternative Power Generation | Chairman Director of Finance/CFO Director/Board Member | |
RWE Supply & Trading GmbH
 RWE Supply & Trading GmbH Alternative Power GenerationUtilities Part of RWE AG, RWE Supply & Trading GmbH is a German company that produces clean, secure, and affordable electricity while pursuing a clear goal of reducing CO2 emissions. The company is based in Essen, Germany. The company is also advancing storage and energy technologies globally. | Alternative Power Generation | Chairman Chairman Corporate Officer/Principal | |
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 | Corporate Officer/Principal President | |
Thüga Assekuranz Services München Versicherungsmakler GmbH
 Thüga Assekuranz Services München Versicherungsmakler GmbH Multi-Line InsuranceFinance Thüga Assekuranz Services München Versicherungsmakler GmbH is a private company based in Munich, Germany. The German company provides full vehicle, machinery, burglary and glass insurance services. The CEO of the company is Frank Köhler. | Multi-Line Insurance | Director/Board Member Director/Board Member | |
E.ON Energie Deutschland GmbH
 E.ON Energie Deutschland GmbH Electric UtilitiesUtilities E.ON Energie Deutschland GmbH supplies electricity. It offers electricity, natural gas, solar, and heating services. The company was founded in 2007 and is headquartered in Munich, Germany. | Electric Utilities | Chairman Chief Executive Officer Corporate Officer/Principal Director/Board Member | |
| UNIPER SE | Electric Utilities | Director/Board Member Director/Board Member Chief Executive Officer Chairman Director of Finance/CFO Director/Board Member | |
| E.ON Espana | Director of Finance/CFO Director of Finance/CFO | ||
Westenergie AG
 Westenergie AG Engineering & ConstructionIndustrial Services Westenergie AG engages in the planning, construction, operation, maintenance, acquisition, marketing, and utilization of network facilities and other transport, storage, and distribution systems used for electricity, natural gas, district heating, and water. These also include water management plants and information transfer facilities. The company was founded on May 3, 2016 and is headquartered in Essen, Germany. | Engineering & Construction | Chairman Director/Board Member Director/Board Member Director/Board Member | |
E. Merck KG
 E. Merck KG Pharmaceuticals: MajorHealth Technology E. Merck KG operates as a holding company with interest in pharmaceutical preparations. It acts as a general partner that holds the majority of shares of the public company Merck KGaA. Merck KG is the parent company of all Merck companies yet it does not have any operating businesses itself. It makes the entrepreneurial policy decisions for the Merck Group. The company is headquartered in Darmstadt, Germany. | Pharmaceuticals: Major | Director/Board Member Corporate Officer/Principal |
Statistics
International
| Germany | 41 |
| United States | 3 |
| Sweden | 2 |
| Netherlands | 2 |
| United Kingdom | 2 |
Sectoral
| Utilities | 23 |
| Commercial Services | 6 |
| Finance | 5 |
| Consumer Services | 5 |
| Transportation | 4 |
Operational
| Director/Board Member | 538 |
| Chairman | 217 |
| Corporate Officer/Principal | 210 |
| Chief Executive Officer | 127 |
| Independent Dir/Board Member | 63 |
Most connected contacts
| Insiders | |
|---|---|
| Ewald Woste | 43 |
| Rolf Martin Schmitz | 40 |
| Young-Hoon Kim | 39 |
| Constantin H. Alsheimer | 34 |
| Klaus-Dieter Maubach | 34 |
| Karl-Ludwig Kley | 32 |
| Markus Heikki Erdem Rauramo | 31 |
| Jürgen Großmann | 30 |
| Johannes Teyssen | 28 |
| Tomasz Zadroga | 26 |
| Robert Hanf | 26 |
| Hans-Peter Keitel | 24 |
| Ulrich Grillo | 23 |
| Werner Brinker | 23 |
| Werner Brandt | 22 |
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