Professional Experience and Education
2011-present Chairman, Department of Orthodontics, University of Pennsylvania School of Dental Medicine, USA
2003-present Associate Professor, Department of Orthodontics, University of Pennsylvania School of Dental Medicine, USA
2017-present Postdoctoral Program Director, Department of Orthodontics, University of Pennsylvania School of Dental Medicine, USA
2017-2018 President, The American Board of Orthodontics
2010-2018 Director, The American Board of Orthodontics
2010-2015 Postdoctoral Program Director, Department of Orthodontics, University of Pennsylvania School of Dental Medicine, USA
1996-2003 Assistant Professor, Department of Orthodontics, University of Pennsylvania School of Dental Medicine, USA
1992-2007 Clinical Director, Department of Orthodontics, University of Pennsylvania School of Dental Medicine
1992-1996 Lecturer, Department of Orthodontics, University of Pennsylvania School of Dental Medicine, USA
1992 Orthodontic Certificate, Department of Orthodontics, University of Pennsylvania School of Dental Medicine, USA
1992 MS, University of Pennsylvania School of Dental Medicine, USA
1986 DMD, University of Pennsylvania School of Dental Medicine, USA

Honors and Awards
2018 The American Association of Orthodontists (AAO) Award- 2018 AAO Annual Session Doctors Program Co-chair
2006 The Orthodontic Faculty Development Fellowship Award- The American Association of Orthodontists Foundation
2000 The Orthodontic Faculty Development Fellowship Award- The American Association of Orthodontists Foundation
1997 The University of Pennsylvania Research Foundation Award
1991 The Research Award, Department of Orthodontics, University of Pennsylvania School of Dental Medicine, USA

Research Interests
Craniofacial Growth and Development
Rapid Palatal Expansion
Adult Orthodontics
3D Imaging in Orthodontics