Stefan J. Meier

Concretum Construction Science AG develops, produces and distributes concrete additives. It is an engineering consulting firm in the field of cementitious construction materials. The firm develops solutions for construction projects and product development. The company was founded by Martin F. Bäuml, Stefan J. Meier and Giovanni Martinola in 2001 and is headquartered in Zurich, Switzerland.

Scewo AG is a Swiss company that specializes in creating innovative mobility solutions for people with limited mobility. The company was founded in 2014 by Thomas Gemperle, Bernhard Winter, and Pascal Buholzer, and is based in Winterthur, Switzerland. The company's flagship product, the BRO electric wheelchair, is designed to provide users with the ability to navigate stairs and uneven terrain with ease. In addition to providing information on the BRO and its features, the company also offers maintenance and support services for their products. Bernhard Winter has been the CEO since 2014.