Stefan Hehn

Sirona Dental Systems, Inc. was developing, manufacturing and marketing dental equipment. Its products include CAD/CAM restoration systems, imaging systems, treatment centers, instruments, and cabinetry. The company was founded on October 1, 1997 and was headquartered in York, PA.

Zephyr Sleep Technologies, Inc. operates as a product development company that researches, designs, develops, manufactures and distributes scientifically-validated medical devices focused on the diagnosis and treatment of certain sleep disorders. Its products are used by sleep labs, technicians, physicians, dentists, and leading-edge sleep researchers. The company was founded by Paul Cataford, Sabina Bruehlmann, and John Remmers in 2010 and is headquartered in Calgary, Canada.