Harald Guggenbichler is a trained carpenter, but he qualified as a designer later on. Though he specialises in furniture, light fixtures and other items of everyday use are also part of his portfolio. Heike Guggenbichler shares in developing and supporting the company. Together they run a Vienna-based industrial design studio and have gained an international reputation. Their primary focus is the development of furniture, products and interiors. Their products have won or have been nominated for numerous international design awards such as Red Dot, Designpreis, Design for Europe and Interior Innovation Award.

For TON, they created the One chair.