Juan Luis Arregui Ciarsolo

Siemens Gamesa Renewable Energy SA engages in the provision of renewable energy services. It operates through the Wind Turbine and Operations Maintenance segments. Its products and services include onshore and offshore wind turbines and service wind. The company was founded by Juan Luis Arregui Ciarsolo on January 28, 1976 and is headquartered in Vizcaya, Spain.

Gamesa SA is a Spanish company that manufactures and distributes wind turbines, wind farms, photovoltaic plates and other related products. The private company is based in Vitoria, Spain. The company was founded by Juan Luis Arregui Ciarsolo.

Cartera Industrial REA SA engages in the investment in portfolio of companies. The company was founded on May 13, 1964 and is headquartered in Madrid, Spain.

Part of Turina 2000 SL, Retos Operativos XXI SL is a private investment vehicle. The private company is based in Vitoria-Gasteiz, Spain.

Grupo Guascor is an industrial corporation committed with the sustainable energy. It is based on renewable energy and power systems, with a large experience and know how in Distributed Generation applications. Its technologies cover a broad range of energy sources, positioning themselves as one of the few global companies capable to provide complete answers in the renewable energy and efficient use of energy. Within GRUPO GUASCOR they are convinced that the only way to reach and maintain a leadership position in products and applications provided to the market is through a constant effort in research and development activities.