Herzog & de Meuron is a design studio initially composed of five partners, Jacques Herzog, Pierre de Meuron, Christine Binswanger, Ascan Mergenthaler and Stefan Marbach. In 1978 Jacques Herzog and Pierre de Meuron founded the Basel-based firm which over the years has grown into a team of 34 partners that also includes about 300 employees. Herzog & de Meuron has branches in Hamburg, London, Madrid, New York and works on international projects that include the design of stadiums, museums, residential buildings, offices and factories. Among the prizes won are the "Pritzker Architecture Prize" in 2001, the "RIBA Royal Gold Medal" and the "Praemium Imperiale" in 2007. For Artemide, Herzog & de Meuron have designed the Pipe designer lamps for ceiling, wall and floor and the Untelinder family of LED lamps available in chandelier or table lamp versions.