Peter Clark Ryan graduated B.D.Sc. (Queensland) in 1976 and then worked in the Royal Australian Air Force in Malaysia until 1979 before spending 1980 in private general practice in London. After completing his specialist qualification in Queensland in 1982, he worked as a halftime Lecturer in the Department of Social & Preventive Dentistry until 1986, before commencing full-time private Specialist Practice as a Periodontist in Brisbane and Ipswich. From 1996, Peter has been a Senior Visiting Periodontist at The Dental School and an Examiner of Periodontal Post-Graduate Students. A Fellowship in the special stream of Periodontics, Royal Australasian College of Dental Surgeons was achieved by examination in 2000. In 2002, he was appointed as an Adjunct Associate Professor at the School of Dentistry, The University of Queensland.
Peter has been actively involved with implant dentistry since 1991 and became a Fellow of the ITI (International Team for Oral Implantology) in 2000 and a Specialist Clinical Associate, The University of Sydney. He has been President of ADA (Qld) and President of the Australian Society of Periodontology amongst many other appointments.