Kostas is an experienced specialist prosthodontist, an academic and a researcher. He has been involved in academia since 2008 and is now a Clinical Lecturer at University College London. He leads Bio-Emulation in the UK, an international group of dentists united by the drive to preserve and restore dental tissues using nature as a guide. He co-founded Prosthoworks delivering advanced private prosthodontic education since 2021. His areas of interests are fully guided composites, managing the worn dentition and naturally looking prostheses. He also works in specialist practice limited to Prosthodontics in the London area.

Stefan Roozen, MDT completed his training as a dental technician in Salzburg in 1999. In 2002, he attended the master school in Baden/Vienna, which he completed in 2003. He specialises in complex prosthetic reconstructions and restorations in the aesthetic and functional fields. External lecturer at the Master School of the Academy of Austrian Dental Technology. He is the author of numerous international publications and a speaker at courses and congresses worldwide, focussed in fixed reconstructions, ceramics, implantology and CAD-CAM. He also studies digital dental technology at the Carinthia University of Applied Sciences in Austria and is a guest researcher at Ludwig-Maximilians-University of Munich.