René Zahnd

Wincasa AG provides real estate services. Its services include revitalization, strategic facility management, general management, construction management, business optimization and sale consultancy. The company is headquartered in Winterthur, Switzerland.

TERTIANUM AG provides senior residential care services. It also engages in the acquisition, holding, management, and sale of real estate. In addition, the firm specializes in the purchasing, continuous management, and sale of shares to domestic and foreign companies. The company was founded on October 13, 1978 and is headquartered in Zurich, Switzerland.

Losinger Construction AG constructs single family homes and other buildings. The company was founded in 1917 and is headquartered in Koniz, Switzerland.

Part of Bouygues SA, Marazzi Generalunternehmung AG is a construction services provider. The company is based in Muri bei Bern, Switzerland. Marazzi Generalunternehmung was acquired by Losinger Construction AG on May 23, 2006.

Jelmoli AG owns and operates a chain of department stores. It offers apparel, perfumes and accessories, furniture, multimedia and electronic products. The company was founded in 1833 by Peter Jelmoli-Ciolina and is headquartered in Zurich, Switzerland.