Prof. Wagner is a specialist in OMF surgery, plastic surgery and the science of oral medicine, in particular questions of tumor biology, in plastic surgery with cleft lip and palates, functional tumor reconstruction as well as fundamentals of implantology and bone replacement.

Dr. Tobias Wilck, a specialist in oral and maxillofacial surgery, can look back on an impressive career. Born in 1967 in Hamburg, he completed his medical studies at the University of Hamburg and gained experience in Kingston (Jamaica) and Vienna before completing his dental studies in Hamburg and Tübingen. His specialist training took him to Hamburg, Tübingen, and finally to Krefeld-Uerdingen, where he worked as a senior physician. Dr. Wilck is certified in plastic-aesthetic surgery and implantology and has been involved in humanitarian missions in Vietnam since 2010, where he treats children with facial injuries, especially those with cleft lip, jaw, and palate. As a member of the German Society of Oral and Maxillofacial Surgery (DGMKG), Dr. Wilck brings a wealth of expertise and experience to the treatment of his patients.

As one of the world's most recognized prosthodontists and ceramists, Dr. Winter teaches dentists in Spear Workshops to understand the interdependence between laboratory procedures, treatment planning, restorative techniques, materials and laboratory procedures.

In addition to teaching, Dr. Winter produces Spear Study Club modules and creates a variety of clinical content for the Spear learning ecosystem. He has taught more than 900 didactic, clinical and technical courses in more than 40 countries. For the past 36 years, he has maintained a private practice limited to prosthodontics, and currently practices in Newport Beach, California. He is co-founder of Esthetics by Design dental laboratory and is past president of the American Academy of Esthetic Dentistry.

Dr. Winter graduated in 1981 from Marquette University School of Dentistry and completed his prosthodontic specialty residency at the VA Medical Center in Milwaukee in 1983.