Publication of a new book titled "Implants in Compromised Bone" with Quintessence International, Chicago

Chairman and organizer of the "European Congress for Implantology" (EAO 2003 at the Vienna Imperial Palace with 1800 participants)

Election as President of the European Association for Osseointegration (EAO)

Approval by the Federal Ministry of Education, Science and Culture for the establishment of a Postgraduate Course in Oral Implantology at the University of Vienna

Renewal of memberships in various boards of scientific associations (European Association of Osseointegration, Geistlich Foundation, Austrian Society of Oral Surgery and Implantology, Austrian Society of Oral and Maxillofacial Surgery)

Invited lecture at the "German Congress of Maxillofacial Surgery" in Bad Homburg on the topics of sinus lift and augmentation (further training course)

Organization of an Anniversary Event on the occasion of the 20th anniversary of the establishment of the Department of Oral Surgery in Vienna

Invited lecture at the Annual Meeting of the Spanish Society of Periodontology on the topic of jaw augmentation.

Invited lecture at the Annual Meeting of the Lebanese Association of Dentists in Beirut on the topic of implants in children, implants in the lateral maxilla, implants in the elderly, and implants or endodontics

Invited lecture for the Berlin Dentists on the topic of implants in children

Invited lecture of the European Society of Periodontology on the occasion of the "Europerio" in Berlin on the topic of implants in patients with inadequate bone quality

Invited lecture at the New York University (NYU) on the topic of jaw augmentation

Invited lecture of the Swiss Society of Implantology on the topic of sinus lift procedures

Invited lecture of the Society of Osteology on the topic of implants in elderly patients

Invited lecture at the Pennsylvania University, Dental School, on the occasion of its 125th anniversary on the topic of future trends in implantology

Invited lecture at the "International Symposium of Osteology in Lucerne" on the topic of jaw augmentation

Invited lecture at the German Congress of Nobel Biocare in Munich on the topic of immediate loading of implants

Invited lecture at the "8th International Symposium on Periodontics and Restorative Dentistry" in Boston on the topic of sinus lift

Invited lecture at the "4th World Congress on Osseointegration" in Venice on the topic of complications in sinus lift procedures

Invited lecture at the 1st European Congress of the Periodontally Diseased Patient" in Vienna on the topic of management of surgical complications

Invited lecture on the establishment of a Further Training Day in Implantology upon invitation of the Peter Schärer Study Club in Zurich

Invitation as Visiting Professor for one month at the University of Los Angeles (UCLA)

Invited lecture for the Congress "Implantology 2004" in Hamburg on the topic of improvement of bone quality or the bone replacement for implants

Invited lecture at the "International Congress of Implantology" in Warsaw on the topic of jaw augmentation

Reappointment as Adjunct Professor in the Associated Faculty of the School of Dental Medicine of the University of Pennsylvenia