Wolfgang Kühn

Dell, Inc. engages in the manufacture of electronic devices. Its products include laptops, desktops, tablets, thin clients, printers, monitors, software, workstations and accessories. The company was founded by Michael Saul Dell on February 1, 1984 and is headquartered in Round Rock, TX.

Mediaspectrum, Inc. engages in the design and development of multi-channel advertising and content management and publishing software and applications. The company was founded by Scott William Killoh and Harry James Flood in 2001 and is headquartered in Miami Beach, FL.

Apax Partners (UK) Ltd (Apax Partners) is a private equity subsidiary of Apax Partners Holdings Ltd founded in 1977. The firm is headquartered in London, United Kingdom with additional offices in Mumbai, Hong Kong, Munich, New York, Shanghai and Tel Aviv.

LSG Lufthansa Service Holding AG provides in-flight catering and logistic services. It offers catering services; onboard retail services; equipment, including meal-service products, commodities, comfort items, and galley inserts; lounge management services, including cleaning, provisioning, maintenance, reception, and more; logistics and supply-chain management services; and innovation and consulting services in the areas of menu design, food and service presentation, sales, ancillary retail, product design, and more. The company serves airlines, train operators and retailers. LSG Lufthansa Service Holding was founded in 1966 and is headquartered in Frankfurt am Main, Germany.

Part of Swissquote Group Holding Ltd., Swissquote Bank SA is a company that provides investment advice. The company is based in Gland, Switzerland. The company was founded in 2000. Marc Bürki has been the CEO of the company since 2002. Swissquote Bank was acquired by Swissquote Group Holding Ltd. from Zurich Insurance Group AG on July 24, 2003.

Part of Armacell International SA, Ultima Holding Ltd. operates nursing homes. The company is based in Oldham, UK. The British company was founded in 2016 by Mohamed Saleem Asaria.

Swisscom Fixnet AG provides telecommunication services and is ultimately controlled by the Government of Switzerland. The company is based in Worblaufen, Switzerland.

ESIT Canada Enterprise Services Co. provides technology solutions to consumers, businesses, and institutions through out the world. Its technology solutions include enterprise storage, servers, software, and services. The company was founded in 1961 and is headquartered in Mississauga, Canada.

Armacell International GmbH engages in the acquisition and sale of local as well as foreign companies involved in the manufacturing, distribution, and trading of elastic insulation material. The company was founded in June 2000 and is headquartered in Münster, Germany.

Part of International Business Machines Corp., IBM Schweiz AG develops computer solutions through the use of advanced information technology. The company is based in Zurich, Switzerland. The CEO of the Swiss company is Christian Keller.

Part of United Internet AG, 1&1 Versatel Deutschland GmbH is a B2B provider for fiber optic internet, telephone, and networking. The company is based in Dusseldorf, Germany. The German company offers tailor-made internet solutions for businesses, including fiber optic, ADSL, SDSL, VDSL, or leased line, as well as fiber optic internet ranging from 2 Mbit/s to 1,000 Gbit/s. The company prioritizes the security of their clients' data and never pass it on to third parties. The CEOs of the company are Jan Lange, Claus Beck, Walter Denk. 1&1 Versatel also recommends the cellular products from 1&1.

Zattoo Europa AG engages in the provision of live TV broadcasting via the internet. The company was founded by Bea Knetch in 2006 and is headquartered in Zurich, Switzerland.

Telefónica Germany GmbH & Co. oHG engages in telecommunication services. It specializes in digitalisation, protection and security of personal data, ad network processing. The company was founded in May 1995 and is headquartered in Munich, Germany.

Armacell LLC specializes in flexible foam for the equipment insulation market and also provides engineered foams. It develops thermal, acoustic and mechanical solutions to its customers. The firm also operates two main businesses, Advanced Insulation and Engineered Foams. It focuses on insulation materials for technical equipment, high-performance foams for high-tech and lightweight applications and next-generation aerogel blanket technology. The company was founded in 1999 and is headquartered in Chapel Hill, NC.

Rain Carbon Germany GmbH engages in the manufacture, trade, and use of raw materials derived from coal and mineral oil, plastics, as well as other chemical products and building materials. The company was founded on December 18, 2006 and is headquartered in Castrop-Rauxel, Germany.

KKR Group Co., Inc. engages in the provision of investment and private equity asset management services. The firm manages investments across multiple asset classes including private equity, energy, infrastructure, real estate, credit, and hedge funds. It operates through the Asset Management and Insurance segments. The Asset Management segment includes investment management and other services to funds, vehicles, collateral loan obligations, managed accounts and portfolio companies, and transaction-specific income from capital markets transactions. The Insurance segment offers retirement and life insurance services which provide a suite of protection, legacy and savings products to customers and reinsurance solutions to clients across individual and institutional markets. The company was founded by Henry R. Kravis and George R. Roberts in 1976 and is headquartered in New York, NY.

Hertha BSC GmbH & Co. KGaA operates as a football club. The company was founded on July 25, 1892 by Fritz Linder, Max Linder and Otto Lorenz and Willi Lorenz and is headquartered in Berlin, Germany.

RÜTGERS NV manufactures chemical raw materials made from coal tar. It uses a by-product of the coal coking process to produce essential basic materials for the aluminum and steel industries as well as technical oils, naphthalene and other basic chemicals. The company was founded by Julius Rütgers in 1849 and is headquartered in Zelzate, Belgium.

Regent Beleuchtungskörper AG is a company based in Basel, Switzerland. and has subsidiaries in Germany. Regent Beleuchtungskörper AG is dedicated to improving and enriching the work and habitats of people through their lights and luminous bodies. The Swiss company prioritizes the environment and are always looking for new technologies and ideas to improve it. The company offers a retrofit service to replace existing conventional lamps with new Regent retrofit kits on site. The company's lighting is designed to make people feel better, work better, and live better. The company was founded in 1908. Christoph Schüpbach has been the CEO of the company since 2020.

Swissgrid AG engages in providing electricity distribution services. It offers security supply, electricity market, and renewable energies. The company was founded in 2006 and is headquartered in Laufenburg, Switzerland.

Publicitas AG offers print media advertising solutions through national daily newspapers, business and free dailies, including luxury magazines. It also markets digital media advertising solutions across a range of platforms, including television, websites, tablets, mobile and smart phones, applications, as well as digital screens. In addition, the firm offers media search services that provide access to various international media factsheets with consumer insights, market analysis, and advertising rates. The company was founded on January 1, 1855 and is headquartered in Zurich, Switzerland.

Alfred Müller AG provides real estate management and rental services. The private company is based in Baar, Switzerland.

Kohlberg Kravis Roberts & Co. Ltd. operates as a global investment firm. It specializes in investment management across multiple asset classes, including private equity, energy, infrastructure, real estate, credit strategies and hedge funds. The company was founded by Henry Kravis and George Roberts in 1976 and is headquartered in London, the United Kingdom.

Avaloq Evolution AG provides banking software services and solutions. Its services include safeguarding, consulting, training, support, and maintenance. The company was founded in 1991 and is headquartered in Zurich, Switzerland.

GARAIO AG provides computer infrastructure and maintenance services. It offers consulting, development, integration, application management, maintenance and support. The firm also provides Caraio room software for workplace management and REM (real estate management) software. The company was founded by Thomas C. Garaio in 1994 and is headquartered in Bern, Switzerland.

United Group BV engages in the provision of telecommunications and media services. It provides services to brands such as SBB, telemach, total TV, telemach, and Net TV plus. The company was founded by Dragan Šolak in 2000 and is headquartered in Amsterdam, the Netherlands.

SweetSpot, Inc. provides solution for marketing and advertising. It offers WiFi distribution network with sophisticated content delivery and analytic systems and merchants and manufacturers with greater control over product marketing. The company was founded by Steve Zelinger and Robert Ryan Ross and is headquartered in Palo Alto, CA.

Part of Armacell International SA, Ultima Acquisition GB Ltd. is a holding British company that manufactures and sells insulation, foams, and rubber products through its subsidiaries. The company is based in Oldham, UK and was founded in 2012.

Armacell Services GmbH provides investment services. The private company is based in Schoenefeld, Germany. The CEOs of the German company are Max Padberg, Benedict Bodem.

Part of Armacell Holdco SARL Luxembourg, Ultima Holding GmbH is a German company that provides investment services. The company is based in Muenster, Germany. The CEO of the company is Max Padberg.

Part of IHAG Holding AG, AdNovum AG is a Swiss software development company that specializes in security, application, and integration projects. The company is based in Zurich, Switzerland. The CEO of the company is Ruedi Wipf. AdNovum was acquired by IHAG Holding AG on March 29, 2007.

Autohaus Siegmar Haese GmbH operates as a car dealer that retails new and used cars. The private company is based in Erkrath-Hochdahl, Germany. The CEO of the German company is Thorsten Haeser.

Part of United Internet AG, Tropolys Service GmbH is a German company that provides electrical installation services. The company is based in Dusseldorf, Germany. The CEOs of the company are Guido Mannshausen, Jörg Elsäßer, Walter Denk.