Dr. Simon Graf studied dentistry at the university of Bern, Switzerland. Followed by the 3 years postgraduate program in orthodontics at the university of Basel, Switzerland. He's the owner and head of the private orthodontic clinic Smile Inc. (Smile AG) in Belp, Switzerland. He is the inventor and pioneer for 3D metal printed orthodontic appliances since 2014, published in various journals and lectured about this topic world wide. Since 2021, he's also been involved in the development of direct printed aligners and their clinical applications, offering a wider range of possibilities than classic theromformed aligners.