Serhat Köken graduated from the Marmara School of Dentistry (Istanbul) in 1998. Since 2001, he has practiced general dentistry at his private clinic in Istanbul. He received his PhD in Dental Biotechnology from the University of Siena in 2020. Serhat Köken has presented at national and international meetings on both the technical and artistic aspects of anterior direct resin restorations as well as hands-on courses on composite resin artistry dental photography. Serhat Köken is the founder of Trquoise Study Club and he is a Visiting Professor in the Master Program in Prosthodontics. (courses: Digital Dental Photography, Anterior Direct Restorations, Posterior Direct Restorations), Department of Medical Biotechnologies, School of Dentistry, University of Siena, Italy.