Bernhard Lisson

QSIL SE manufactures and sells quartz glass products. The firm’s products and solutions include cylinders, tubes, rods and profiles, flat and oval tubes, twin an septum tubes, capillaries, fabricated quartzware, process tubes and SOL-GEL-products. The company was founded in 1992 and is headquartered in Langewiesen, Germany.

Mountain Sustainable Investments AG invests in established and growing companies in the field of renewable energy, energy efficiency and environmental and climate protection. It directly and indirectly invest in and support companies from the cleantech sector and mainly focuses on expansion and pre-IPO stage investments and special situations with extraordinary potential. The company was founded on August 6, 2007 and is headquartered in St. Gallen, Switzerland.

Mountain Internet AG engages in the acquisition, management, and sale of participating interests in firms. It also acquires, manages, and sells licenses, patents, brands, designs, and copyrights. The company was founded on April 11, 2013 and is headquartered in St. Gallen, Switzerland.

Mountain Partners AG is a private equity and venture capital firm headquartered in Germany. The firm founded in 2005 by Dr. Cornelius Boersch and Daniel S. Wenzel.