Doctors

Deidra Rondeno, DDS

Deidra Rondeno, DDS

Founder and CEO

Deidra Rondeno, DDS, graduated from Meharry Medical College School of Dentistry in 1996.  She completed a General Practice Residency at Illinois Masonic Medical Center in 1997, one of the few programs in the U.S. that offers specific training in the treatment of patients having developmental disabilities.  Dr. Rondeno is a member of the American Dental Association, The Academy of General Dentistry, the Georgia Dental Association, the Hinman Dental Society, the Northern District Dental Society, American Academy of Developmental Medicine & Dentistry, the International College of Dentists, and the Georgia Dental Society.  Dr. Rondeno has been CEO since 1999.

Karen Tartt-Callier, DDS

Karen Tartt-Callier, DDS

Doctor

Karen Tartt-Callier, DDS, graduated from Meharry Medical College School of Dentistry in 1996.  Dr. Callier is a member of the American Dental Association, Georgia Dental Association, Hinman Dental Society, and Northern District Dental Society.  Dr. Callier has been with the DDD Foundation since 2017.

Dental staff

Khadija Abdelmalek

Khadija Abdelmalek

Expanded Duty Dental Assistant

Khadija Abdelmalek is a Expanded Duty Dental Assistant.  She grew up in Morocco.  She attended Metropolitan Institute of Health in Virginia, where she graduated in 2012.  Khadija has been with the DDD Foundation since 2018.

Darnell Hurt

Darnell Hurt

Expanded Duty Dental Assistant and Oral Surgery Coordinator

Darnell Hurt is an Expanded Duty Dental Assistant.  Darnell is from Grand Rapids, Michigan.  He attended Fortis College and graduated in 2014.  Darnell is married and has two daughters.  He has been with the DDD Foundation since 2013.

Shawnda Hayes

Shawnda Hayes

Clinical Supervisor/ Expanded Duty Dental Assistant

Shawnda Hayes is an Expanded Duty Dental Assistant and is our Clinical Supervisor.  Shawnda is a native of Buffalo, NY.  She attended the Educational Opportunity Center at the University of Buffalo, where she graduated in 2008.  She has been with the DDD Foundation since 2014.

Chelzey Smith

Chelzey Smith

Expanded Duty Dental Assistant

Chelzey Smith grew up in Newnan, Georgia.  She graduated from West Georgia Technical College, and joined the DDD Foundation's dental team in 2020.

Office staff

Tiffany White

Tiffany White

Director of Operations

Tiffany White is our Director of Operations. She received her Master's degree in Healthcare Administration from Clayton State University. She is a member of DOMA (Dental Office Manager’s Association). Tiffany is a native of Newnan, Georgia, and has been with the DDD Foundation since 2009.

Cassandra Dallas

Cassandra Dallas

Sedation Supervisor, LPN

Cassandra Dallas is our Sedation Supervisor, LPN. She graduated from Central Georgia Technical College in 1996.  A native of Macon, Cassandra has lived in Atlanta since 1998 and has been with the DDD Foundation since 2014.

Lilian Cedano

Lilian Cedano

Scheduling Coordinator

Lilian Cedano is our Scheduling Coordinator. She received her training as a medical administrative assistant from Everest Institute. Lilian is originally from the Dominican Republic.  She has been with the DDD Foundation since 2012.

Sheri Anderson

Sheri Anderson

Director of Development

Sheri Anderson is our Director of Development. She is originally from Brandon, Mississippi, but received her journalism degree from California State University.  Sheri has worked in nonprofit management for nearly 35 years.   She came to the DDD Foundation in 2012.                                                                                                                          

Jada Campbell

Jada Campbell

Sedation Coordinator

Jada Campbell is our Sedation Coordinator. Jada was born and raised in Decatur, Georgia, and graduated from Woodruff Medical in 2017 with a Certificate of Medical Assisting.  Jada has been with the DDD Foundation since 2022.                                                                                                                         

Mary Boyle

Mary Boyle

Bookkeeper

Mary Boyle is our part-time Bookkeeper.   She has a Bachelor of Science in Accounting from Northern Arizona University (her home state) and a Master’s in Psychology from Georgia Tech.  Mary moved from California to Atlanta in 1993, and has been with the DDD Foundation since 2017.