Professional Appointments:

2010-present President of The Academy of Osseointegration. 

2009-present Professor of Clinical Dentistry, Oral and Maxillofacial Surgery, UCLA School of Dentistry

2008-present Director, UCLA Dental Implant Center, UCLA School of Dentistry 

2006-2009 Associate Professor of Clinical Dentistry, Oral and Maxillofacial Surgery, UCLA School of Dentisty 

2003-present Director, Straumann Surgical Dental Clinic, UCLA School of Dentistry 

2002-2006 Adjunct Associate Professor, Oral and Maxillofacial Surgery, UCLA School of Dentistry 

1991-1999 Co-director, UCLA Dental Implant Center, UCLA School of Dentistry 

1982-present Private practice Oral and Maxillofacial Surgery, Brentwood, CA. 

1982-2002 Lecturer, Oral and Maxillofacial Surgery, UCLA School of Dentistry