| | Professor Undt was born in Vienna, Austria in 1955. He is married and has two children |
| 1961 - 64 | Primary school in Wien-Aspern |
| 1965 - 73 | Bundesgymnasium Vienna XXI (secondary school), final qualifications with excellent results |
| 1973 - 83 | University of Vienna, Medical school |
| 1975 | Plastic surgery with Prof. Millesi at the 1st Surgical University Clinic, Vienna |
| 1977 | Internal medicine at St. Hildegard Hospital Berlin, Germany |
| 1977 | Oral and maxillofacial surgery with Prof. Rehrmann at the University Clinic of Dusseldorf, Germany |
| 1979 | Vascular surgery with Univ. Prof. Gillet, plastic surgery with Prof. Ricbourg at the University Clinic Besancon, France |
| 1979 | Traumatology with Prof. Gonzales Vicen, cardio-vascular surgery with Prof. Rivera at the Ciudad Sanitaria Provincial Madrid, Spain |
| 1981 | Cardiology with Prof. Helmer at Huddinge Sjukhus Stockholm, Sweden |
| 1983 | Doctorate in medicine at the University of Vienna, Austria |
| 1983 - 84 | Medical training at Krankenanstalt Rudolfstiftung der Stadt Wien (Cardiology with Univ. Prof. Slany, neurosurgey with Univ. Prof. Brenner) |
| 1984 | Military service (Feldambulanz Götzendorf) |
| 1984 - 85 | Assistant doctor at the Vienna Psychiatric Hospital Baumgartner Hoehe |
| 1985 - 89 | Assistant doctor at the Wilhelminenspital, Vienna |
| | Training in the following specialties: |
| | Traumatology at the department of Prof. Vecsei |
| | Gastroenterology at the department of Prof. Pointner |
| | Paediatrics at the department of Prof. Weippl |
| | Pneumology at the department of. Prof. Kummer |
| | Urology at the department of Prof. Esch |
| | Oto-rhino-laryngology at the department of Dr. Arnoldner |
| | Pathology at the department of Dr. Kofler |
| | Dermatology at the department of Prof. Partsch |
| | Anaesthesiology at the department of Dr. Neubauer |
| | General surgery at the department of Prof. Kreuzer |
| | Gynaecology at the department of Prof. Baumgarten |
| 1989 | Ius practicandi |
| 1989 - 91 | Resident physician at the neurological department at Pflegeheim Lainz, Vienna (Head: Prof. Dr. Danielczyk) |
| 1991 - 96 | Assistant surgeon at the University Clinic for Oral and Maxillofacial Surgery, Vienna (Head: Prof. DDr. Ewers) |
| 1994 - 96 | Clinical training in dentistry at the University Clinic for Dentistry, Vienna (Head: Prof. Dr. Slavicek) |
| 1996 | Graduate in dentistry with excellent success |
| Seit 1996 | Senior surgeon at the University Clinic for Oral and Maxillofacial Surgery, Vienna (Head: Prof. DDr. Ewers) |
| 1997 | Visiting Assistant Professor at the following hospitals: Department of Oral and Maxillofacial Surgery, School of Dentistry, University of North Carolina, Chapel Hill |
| | San Diego Center for Plastic, Oral and Maxillofacial Surgery, San Diego, California, an der Division of Plastic Surgery, University of California, San Diego |
| | Department of Oral and Maxillofacial Surgery der School of Dentistry, University of California, San Francisco and Department of ENT Surgery, Stanford University, Palo Alto, California |
| 2000 | PhD degree in oral and maxillofacial surgery. Thesis: “Diagnosis and Treatment of Functional Disorders of the Temporomandibular Joint with Special Emphasis on Recurrent Mandibular Dislocation” |
| 2000 | Doctorate in dentistry, University of Vienna |
| 2001 | Associate Professor for oral and maxillofacial surgery |
| 2003 | Visiting Professor at the Department of Oral and Maxillofacial Surgery, Medical University of Sousse, Tunesia |
| 2004 | Visiting Professor at the Department of Oral and Maxillofacial Surgery, Medical University of Udine, Italy |
| 2006 | Visiting Professor at the Department of Oral and Maxillofacial Surgery, Medical University of Budapest, Hungary |
| 2007 | Visiting Professor at the Department of Oral and Maxillofacial Surgery, Medical University of Udine, Ital |
| | Visiting Professor at the Department of Oral and Maxillofacial Surgery, Ninth People’s Hospital, Shanghai, China |
| 2008 | Visiting Professor at the Department of Oral and Maxillofacial Surgery, Medical University of Rome, Italy |
| | Visiting Professor at the Department of Oral and Maxillofacial Surgery, Medical University of Budapest, Hungary |
| 2009 | Visiting Professor at the Department of Oral and Maxillofacial Surgery, Medical University of Dresden, Germany |
| | Visiting Professor at the Department of Oral and Maxillofacial Surgery, Medical University of Ljubljana, Slovenia |
