Thomas Johannes W. Dittrich

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.

Shire Plc is a biopharmaceutical company, which engages in the research, development, licensing, manufacturing, marketing, distribution, and sale of medicines. Its products include adderall, advate, adynovate, agrylin, antithrombin 3, aralast, bebulin, buccolam, feiba, firazyr, and foznol. The company was founded in 1986 and is headquartered in Dublin, Ireland.

AMGEN GmbH develops, manufactures, and markets human therapeutics based on cellular biology. It was established to help sell and distribute biotechnical therapies for the treatment of such ailments as chemotherapy side effects, chronic kidney failure, and rheumatoid arthritis. Among the group's products are Epogen & Aranesp for the treatment of anemia in people with chronic kidney disease; Neupogen & Neulasta to help restore white blood cell counts for cancer patients and Enbrel for the treatment of psoriasis and rheumatoid arthritis. The company was founded in 1980 and is headquartered in Munich, Germany.

Founded in 1997, Proactiv Skin Health Ltd. is a part of Guthy-Renker Partners, Inc. that provides sales and support services. The private company is based in London, UK.