2018-2019 American Board of Pediatric Dentistry Board of Directors


Man Wai Ng, DDS, MPH

Dr. Man Wai Ng is Chief of the Department of Dentistry at Boston Children's Hospital and holds the DentaQuest Endowed Chair in Pediatric Oral Health and Dentistry at Boston Children’s Hospital.  She is Associate Professor of Developmental Biology (Pediatric Dentistry) at the Harvard School of Dental Medicine. Dr. Ng received her DDS degree from Stony Brook University, her MPH degree from the Harvard School of Public Health and her certificate in pediatric dentistry from Boston Children's Hospital/Harvard. She completed a general practice residency at the Booth Memorial Medical Center in Flushing, NY and a dental fellowship on the developmentally disabled at Helen Hayes Hospital in West Haverstraw, NY.   In April 2018, Dr. Ng received the Stony Brook School of Dental Medicine Distinguished Alumnus Award. 

Board Certified since 1997, Dr. Ng has served as an examiner for the Oral Clinical Examination (2006-14) and as Chair of the Qualifying Examination Subcommittee (2015-17) of the ABPD.  She has been honored to serve on the Board of Trustees (2010-13), as Chair of the Council on Scientific Affairs (2003-06) and the Council on Postdoctoral Education (2007-10), and as a national spokesperson currently for the American Academy of Pediatric Dentistry.


Leila Younger, DDS, MS

Dr. Leila C. Younger, D.D.S., M.S. is in private practice in Arlington Heights and Crystal Lake, Illinois. She is a Clinical Assistant Professor of pediatric dentistry at The University of Southern California Ostrow School of Dentistry.

​Dr. Younger completed her residency at Children’s Memorial Hospital in Chicago and received a Master’s degree from Northwestern University. She attended The University of Illinois College of Dentistry where she graduated with honors and was inducted into OKU. She completed her undergraduate degree in biology at the University of Illinois-Urbana/Champaign.

​Dr. Younger has been Board Certified since 1998 and served as an examiner for the Oral Clinical Examination and on the examination committee of the American Board of Pediatric Dentistry since 2005. She served on several councils and committees for the American Academy of Pediatric Dentistry from 1992-2004. She became an ADA Evidence Based Dentistry Champion in 2012 and is a member of the National Dental Practice-Based Research Network.

​Dr. Younger and her husband, Dr. Terry Younger, reside in Barrington, Illinois. They enjoy biking, hiking and travel. They are frequent visitors to the Los Angeles area where their two children reside.


E. LaRee Johnson, DDS, MS

Dr. E. LaRee Johnson graduated with honors from the University of Tennessee, College of Dentistry in 1996. She completed a 3-year pediatric dentistry residency and received a Master of Science degree at the University of North Carolina in 1999. After her board certification in 2001, Dr. Johnson mentored many colleagues to pursue board certification, helped review cases and prepare for site visits until 2006 when she became an Examination Committee member for the American Board of Pediatric Dentistry's Oral Clinical Examination. Working on both Parts A and B of the exam she has helped in the construction of the exam for several years as well as serving as an examiner. She took two years away from the OCE to teach an OCE prep course. Dr. Johnson has been in full-time private practice for nearly 20 years. She is an adjunct faculty member at the University of North Carolina and speaks at a variety of venues.

Dr. Johnson and her husband live in Raleigh, NC with their two children. Together they enjoy CrossFit, endurance sports (completing multiple lronman and ultramarathon events) and traveling with their children.


Dorothy Pang, DDS, MS

Dorothy received her DDS degree from the University of Texas, Health Science Center in Houston, completed her residency training in Pediatric Dentistry and obtained her Masters of Science degree from the University of North Carolina at Chapel Hill. After receiving her Board Certification in 2006, she has been an examiner of the Oral Clinical Examination since 2008 and a part-leader of the Qualifying Examination since 2010. 

A native of Hong Kong and studied in England, Dorothy received her initial dental education from King’s College, University of London. Upon graduation from dental school in London she served as a dental officer of the Hong Kong Government providing care in rural communities and working with dental therapists to treat elementary school children. This latter experience ignited her interest in Pediatric Dentistry.

Following her residency training and graduate studies at UNC Chapel Hill, Dorothy and her husband Peter moved to San Francisco where she served as a full-time faculty member in the Division of Pediatric Dentistry of the University of California, San Francisco and later became the Graduate Program Director. 

Dorothy’s career has been a true mix of community dentistry, academia and private practice. For over 20 years, Dorothy has built a successful orthodontic and pediatric dental practice in San Francisco with Peter who is an orthodontist. She teaches part-time and remains an active and significant contributor to the residency program at UCSF serving as a Health Science Full Clinical Professor. Dorothy, Peter and their two sons, Jonathan and Benjamin, reside in San Francisco.


Gregory Olson, DDS, MS

Dr. Greg Olson is an associate professor in the Loma Linda University Health (LLUH) School of Dentistry. A dual-trained orthodontist/pediatric dentist, he teaches in both graduate and pre-doctoral programs. Prior to his current appointments, he owned a private pediatric practice on Whidbey Island in Washington State. 

Dr. Olson is passionate about advocacy and holds a Faculty Scholar appointment in the LLUH Institute for Health Policy and Leadership. Having completed a policy fellowship with the American Dental Education Association, he remains active with their Legislative Advisory Council and building alliances that support pediatric oral health.

Dr. Olson was Board Certified in 2006 and has been involved with the ABPD since 2012. He has been an exam-item writer, part leader, and, most recently, chair of the Renewal of Certification Process Subcommittee. He is particularly interested in researching and measuring the impact the board process and continued learning have on ABPD Diplomates and their patients.


Jeffrey Mabry, DDS, MS

Jeffrey Mabry was appointed a professor in pediatric dentistry at the University of Texas Health Sciences Center at San Antonio in July, 2006. He also serves as director of the Dental Center for Children at The Children’s Hospital of San Antonio. He completed his dental degree at the Oklahoma College of Dentistry, followed by a general anesthesia externship and then a general practice residency at Oklahoma Children’s Memorial Hospital. 

Dr. Mabry received his pediatric dental training and master’s degree from the University of Minnesota. His professional career includes 26 years of combined federal service, including nine years as a commissioned officer in the United States Public Health Service (Indian Health Service), followed by 17 years in the United States Air Force. During his last tour, he served as special consultant to the USAF Surgeon General in Pediatric Dentistry. In addition, Dr. Mabry served as president of the College of Diplomates of the American Board of Pediatric Dentistry (2009-10) and he served on the board of directors from 2002-2005. Board Certified in 1991, he has worked as a consultant (2007-09) and as an examiner (2010-present) for the American Board of Pediatric Dentistry.