Jesús Jean Arnedo Biurrarena

Castilla Termal SA is a holding company which manages a group of luxury spa hotels. It operates the Hotel Balneario VIlla de Olmedo, Hotel Balneario de Solares, and the Hotel Termal Burgo de Osma. These offer amenities such as thermal pools, restaurants, bars, function rooms, and conference halls, as well as cosmetic and therapeutic treatments. The company was founded in 2004 and is headquartered in Olmedo, Spain.

Grupo Olmedo Hoteles SL owns and operates a chain of spa resorts and hotels. These feature amenities such as suites, restaurants, thermal pools, cafes, and convention halls. The company was founded on November 27, 2006 and is headquartered in Olmedo, Spain.