Alf Geßner

GenOn Energy Holdings, Inc. provides electricity generation and distribution, management of gas assets, fuel procurement, and marketing of energy and energy-linked commodities. The company was founded on January 19, 2001 and is headquartered in Princeton, NJ.

Harvard University engages in the provision of teaching and research. It has twelve degree-granting Schools in addition to the Radcliffe Institute for Advanced Study, offering a global education. The university was founded in 1636 and is headquartered in Cambridge, MA.

Berliner Stadtreinigungsbetriebe provides waste collection and street cleaning services for the city of Berlin. It also operates disposal sites and recycling centers. The firm was founded in 1951 and is headquartered in Berlin, Germany.

PPL UK Distribution Holdings Ltd. provides electricity distribution services. The company generates electricity and offers meter reading, electrical contracting, property management, and helicopter surveillance services. It was founded in 1999 and is located in Bristol, the United Kingdom.

VEAG Vereinigte Energiewerke AG is a German company that specializes in mining, technology, and innovation. The company is based in Berlin, Germany. The company provides energy solutions from Lausitz. The company is ultimately controlled by the Government of Sweden. VEAG Vereinigte Energiewerke was acquired by Hamburgische Electricitäts-Werke AG from E.ON SE on May 01, 2001 for $1,301.08 million.

Lufthansa Cargo AG provides freight and logistics management services. The firm maintains a fleet of freighters and manages the cargo capacity of passenger aircrafts. Its services include e-services App, e-booking, e-tracking, station information, schedule and routings, fleet ULDs, and e-freight. The company was founded on November 30, 1994 and is headquartered in Frankfurt, Germany.

Berliner Energieagentur GmbH provides gas services. Its three business divisions Consulting, Contracting and International Know-how transfer, develop and realize innovative projects that reduce high energy costs as well as CO2 emissions. The company was founded in 1992 and is headquartered in Berlin, Germany.

ISO New England, Inc. generates and distributes electricity. The company was founded in 1997 and is headquartered in Holyoke, MA.

ÖBB-Infrastruktur AG designs and constructs railway infrastructure projects. It also operates railway stations, bridges, tunnels, railway crossings, hydroelectric power stations, and buildings. Its services include inspection and repair works, as well as providing railway-specific construction services. The company was founded in July 1969 and is headquartered in Vienna, Austria.

Denham Capital Management LP (Denham Capital) is a private equity firm founded in 2004 by Stuart Denham Porter, Riaz Qamar Siddiqi and Carl John Tricoli. The firm is headquartered in Boston, Massachusetts.

TEREG Gebäudedienste GmbH is a building services company based in Hamburg, Germany, with subsidiaries in Germany. TEREG offers a range of services, including building renovation, facade cleaning, glass cleaning, and maintenance. The private company also provides technical services such as building control system consulting and damage compensation. The company offers training and job opportunities for school leavers and career changers. TEREG values teamwork and offers a safe job, space for personal development, and further education. The company was founded in 1963 and is currently led by CEOs Dirk Kratz and Karsten Rakebrandt.

Vattenfall Europe New Energy GmbH generates renewable energy. The company is based in Hamburg, Germany. The German company is a subsidiary of Vattenfall AB and ultimately controlled by the Government of Sweden. The company was founded in 1994. The CEO is Andre Bandilla.

Vattenfall Wärme Berlin AG is a company based in Berlin, Germany. Vattenfall Wärme Berlin was acquired by the State of Berlin from Vattenfall GmbH on May 02, 2024 for $1,479.59 million. The German company provides heating services and is ultimately controlled by the State of Berlin. Vattenfall Wärme Berlin AG was founded in 2009 and Christian Feuerherd has been the CEO of the company since 2014.

Commonweal Ventures Management LLC (Commonweal Ventures) is a venture capital firm founded in 2021 by Nate Loewentheil. The firm is headquartered in New York.

Kernkraftwerk Brunsbüttel GmbH & Co. oHG is a company based in Hamburg, Germany that was founded in 2003. The German company provides individual energy advice through their Vattenfall stores and energy showrooms. The company offers green electricity and provide energy-saving tips to their customers. The company is ultimately controlled by the Government of Sweden.

Kernkraftwerk Krüemmel Gmbh & Co. oHG is a company based in Geesthacht, Germany. The German company specializes in decommissioning and dismantling nuclear power plants. The company is ultimately controlled by the Government of Sweden.