CDC EHDI Staff
Marcus Gaffney is Acting Team Lead for CDC EHDI. He is a Health Scientist with the EHDI Team with over 10 years’ experience working in the area of newborn hearing screening. He is responsible for the collection, analysis, and interpretation of data from across the U.S. and the reporting of progress towards national goals. In addition, he is involved in the development and management of informatics initiatives and projects to improve the quality of EHDI data and ensure children receive recommended hearing related services. He holds a Masters of Public Health from Mercer University.
Suhana Alam is serving the CDC EHDI team as an epidemiologist through Oak Ridge Institute for Science and Education (ORISE) Fellowship. She is responsible for statistical analysis of data submitted to the CDC by state and territorial EHDI jurisdictions and also working with Team staff, jurisdictional coordinators, and partners to summarize data and portray findings in clear and understandable manner. Prior to joining EHDI, she completed ORISE Fellowship at the CDC Office on Smoking and Health, assisting in promotion of surveillance for tobacco control. Her experience also includes work with the Environmental Protection Agency and Georgia DeKalb County Board of Health. She holds an MPH degree in Epidemiology from the University of Georgia.
Eric Cahill, MS has been with the CDC EHDI Team since 2009. As a Health Scientist, Eric provides technical assistance to state EHDI programs and investigates public health related issues for the team. Before coming to CDC, Eric served in the EHDI program for the state of Kentucky. He originally trained as a clinical audiologist and has worked at Temple University Hospital, Temple University Children’s Medical Center and Children’s Hospital Boston.
Winnie Chung, Au.D, Health Scientist with CDC EHDI since 2009, was a clinical audiologist in various settings from 1990 to 2009. She began her involvement in EHDI in 2001 providing outpatient hearing screening and audiologic evaluation for newborns at Kaiser Permanente San Francisco and Oakland. From 2004 to 2009, besides coordinating Rhode Island state newborn hearing screening program, she also provided audiological services in the tertiary neonatal intensive care unit and managed the audiology outpatient clinic at Woman & Infants' Hospital. She provides technical assistance to state EHDI programs and investigates public health related issues for the team.
Xidong Deng joined CDC EHDI in June 2008 and is currently a health scientist (informatics) with the team. She holds a Ph.D. in Computer Science and Engineering from the Pennsylvania State University. Her current interests are in controlled vocabulary and data standards, distributed computing, interoperability and health information exchange, Electronic Health Record (EHR) systems, and evaluation of health information systems.
Claudia Gaffney joined the EHDI Team in 2004. In this position she has developed materials and programs to help educate minorities and expand a public health initiative within hard-to-reach populations by producing educational materials in Spanish, disseminating critical information and creating partnerships at both state and national levels. Prior to her employment at CDC, she created, supervised and evaluated oral health prevention programs for rural communities in her home country of Colombia. She received her degree in Dentistry from Autonoma University of Manizales, Colombia in 1996 and a Master’s degree in Public Health from Mercer University in 2004.
Deidra Green, as a Public Health Advisor on the CDC EHDI Team, works with the Team Lead to implement and administer overall program activities, and to manage the team’s budget. Before joining the EHDI team, she served with the National Center for HIV, Viral Hepatitis, STD, and TB Prevention (NCHHSTP), first with the STD program assigned to several state health departments and later with HIV for 24 years. She has a Master of Public Health in Epidemiology from Tulane University.
Stephanie Henry serves as Program Consultant on the Early Hearing Detection and Intervention Team. In this role she is responsible for non-scientific management, planning, development, and administration of EHDI extramural grants, cooperative agreements, interagency agreements, and contracts. Stephanie has over fifteen years of programmatic and administrative management experience, including advising senior management on financial management, human resources, procurement and other resource utilization activities.
Brandi Knight is a CDC Evaluation Fellow with the EHDI Program. She has previously worked with local and state health departments to evaluate their chronic disease prevention and HIV/AIDS/STD prevention and intervention efforts. She received her Master’s degree in Public Health from Florida A & M University’s Institute of Public Health in 2008.
Craig A. Mason, PhD is a Professor of Education and Applied Quantitative Methods at the University of Maine, where he also serves as the Director of the Center for Research and Evaluation. He has been a data/ informatics consultant to the CDC EHDI team since 2004. He has made numerous presentations on informatics and statistical analysis at the invitation of the Centers for Disease Control and Prevention, the Association of Maternal and Child Health Programs, the U.S. Department of Health and Human Services, the Association of University Centers on Disabilities, and the National Association for Public Health Statistics and Information Systems.
Steve Richardson, MPH is a health educator with over 30 years’ experience including service in a state health department, an academic medical center and private consulting. He has worked in the areas of maternal and child health, injury prevention, environmental health and risk communication. At CDC’s EHDI program he is involved with special topics teleconferences and print and web-based/electronic information, helping state and federal colleagues apply human factors and marketing principles to their health communications, especially with family and professional audiences. In addition, he serves on CDC’s Public Health Ethics Committee.
Sharon Ringwalt, Ph.D., CCC-SLP is Technical Assistance Specialist with the National Early Childhood Technical Assistance Center (NECTAC) and on a temporary assignment for consultation services on the CDC EHDI Team. In addition to her position at NECTAC, Dr. Ringwalt serves as an Early Childhood Technical Assistance Service Coordinator for the Mid-South Regional Resource Center, providing negotiation, coordination and delivery of technical assistance for Part C and Section 619 to 8 states and the District of Columbia since 2002. She obtained her Doctorate in Public Policy Analysis (UNC), a Masters in Speech-Language Pathology (Vanderbilt) and double Bachelor degrees in Speech Communication and Psychology (UNC). She holds an ASHA Certificate of Clinical Competence in Speech-Language Pathology (CCC-SLP). Dr. Ringwalt’s areas of expertise and interest include communication disorders, early identification, and interagency relationships, especially the functioning of State Interagency Coordinating Councils.
María Sánchez is an ORISE Evaluation Fellow responsible for providing technical assistance to EHDI jurisdictions on evaluation planning, capacity, competency building and implementation. She was an Asthma Project Evaluator for the Puerto Rico Department of Health, Maternal and Child Health Services and prior to that a Research Assistant and Evaluator for the University of Puerto Rico, Center for Evaluation and Sociomedical Research. She obtained her Master of Science in Health Systems Research and Evaluation from the University of Puerto Rico School of Public Health, and an Optometry degree from the Universidad Católica de la Salle in Bogotá, Colombia.
Tonya Williams, is a Health Scientist with the EHDI team. She provides epidemiologic support to the team through various projects and collaborations. Before joining the CDC EHDI Team, she worked with the NCCDPHP Division of Reproductive Health (DRH) responsible for providing technical and administrative assistance to states in planning, implementing and coordinating activities related to the Pregnancy Risk Assessment Monitoring System (PRAMS) surveillance project. She provided epidemiologic support and assistance in developing state analysis plans and annual surveillance reports and activities related to questionnaire development and testing. As part of her duties, Tonya was co-lead on the Healthy People 2020 Maternal, Infant, and Child Health Workgroup on behalf of the DRH and collaborated with researchers to provide data addressing MICH HP2020 objectives. She obtained her PhD in Epidemiology and Masters in Biostatistics from the University of North Carolina at Chapel Hill.
- Centers for Disease Control and Prevention
National Center on Birth Defects and Developmental Disabilities
Hearing Loss Team
1600 Clifton Road
Atlanta, GA 30333
TTY: (888) 232-6348
- Contact CDC-INFO