LEPAC Membership


Matthew Edward Ammon, M.S.
Office of Lead Hazard Control and Healthy Homes
U.S. Department of Housing and Urban Development
Washington, District of Columbia 20410
Term: 4/25/2023- 6/30/2025


Paul Allwood, Ph.D., M.S., R.S.
Branch Chief
Lead Poisoning Prevention and Environmental Health Tracking Branch
Division of Environmental Health Science and Practice
National Center for Environmental Health
Centers for Disease Control and Prevention
Atlanta, Georgia 30329-4027


Tammy Barnhill-Proctor, MA
Supervisory Education Program Specialist
Office of Innovation and Early Learning
Office of Elementary and Secondary Education
U.S. Department of Education
Washington, District of Columbia 20202
Term: 4/25/2023 – 6/30/2024

Wallace Chambers Jr., Ph.D., M.A.S., M.H.A, R.E.H.S.
Commissioner of Environment
Cleveland Department of Public Health
Cleveland, Ohio 44114
Term: 10/15/2021 – 6/30/2023

Rebecca Catherine Fry, Ph.D., M.S.
Carol Remmer Angle Distinguished Professor in Children’s Environmental Health
UNC Chapel Hill, Department of Environmental Sciences and Engineering, CB #7431
Chapel Hill, North Carolina, 27599
Term: 4/25/2023- 6/30/2025

Kristina M. Hatlelid, Ph.D., M.P.H.
Division of Health Sciences
U.S. Consumer Product Safety Commission
Rockville, Maryland 20850
Term: 4/25/2023- 6/30/2025

Nathan Graber, MD, MPH, FAAP
Clinical Associate Professor
Department of Pediatrics
Albany Medical Center
Albany, New York 12208
Term: 10/20/2021 – 6/30/2023

Mary Elizabeth (Mary Beth) Hance
Senior Policy Advisor, Division of Quality and Health Outcomes, Children and Adults Health Program Group, Center for Medicaid and CHIP Services, CMS
Centers for Medicare and Medicaid Services
7500 Security Boulevard
Baltimore, Maryland, 21244
Term 5/7/2023- 6/30/2024

Tina Helene Hanes, R.D.N., R.N.
Senior Technical Advisor
Supplemental Nutrition and Safety Programs
United States Department of Agriculture
1320 Braddock Road
Alexandria, VA 22314
Term 4/25/2023- 6/30/2024

Karla Johnson, M.P.H.
Marion County Public Health Department
Indianapolis, Indiana 46205
Term: 10/15/2021 – 6/30/2023

Aaron M. Lopata, M.D., M.P.P.
Chief Medical Officer
Maternal & Child Health Bureau
Health Resources and Services Administration
5600 Fishers Lane, Room 18W33
Rockville, MD 20857
Term 4/25/2023-6/30/2025

Erika Marquez, PhD, M.P.H.
Assistant Professor
School of Public Health
University of Nevada, Las Vegas
Las Vegas, Nevada 89154-3030
Term: 10/15/2021 – 6/30/2023

Anshu Mohllajee, Sc.D., M.P.H.
Research Scientist Supervisor I
California Department of Public Health
Childhood Lead Poisoning Prevention Branch
Richmond, California 94804
Term: 10/18/2021 – 6/30/2023

Grace M. Robiou-Ramirez de Arellano, M.P.H.
Director, Office of Children’s Health Protection
U.S. Environmental Protection Agency, Office of the Administrator
United States Environmental Protection Agency
1200 Pennsylvania Ave., NW
Washington, DC 20460
Term 4/25/2023 – 6/30/2025


Abraham Kulungara
Association of State and Territorial Health Officials (ASTHO)
Senior Director, Environmental Health
Association of State and Territorial Health Officials (ASTHO)
Arlington, Virginia 22202

Ruth Ann Norton
Green & Healthy Homes Initiative (GHHI)
President and CEO
Green & Healthy Homes Initiative
Baltimore, Maryland 21224

Patrick J. Parsons, Ph.D.
Association of Public Health Laboratories (APHL)
Director, Division of Environmental Health Sciences
Chief, Laboratory of Inorganic and Nuclear Chemistry
New York State Department of Health
Albany, New York 12237

Amanda Reddy, M.S.
National Center for Healthy Housing (NCHH)
Executive Director
National Center for Healthy Housing
Columbia, Maryland 21044

Stephanie J. Yendell, DVM, MPH
Council for State and Territorial Epidemiologists (CSTE)
Senior Epidemiology Supervisor
Minnesota Department of Health (MDH)
Health Risk Intervention Unit
Saint Paul, Minnesota 55164

Lauren Zajac, MD, MPH, FAAP
American Academy of Pediatrics (AAP)
Icahn School of Medicine at Mount Sinai
Department of Environmental Medicine and Public Health
New York, New York 10029


LEPAC consists of 15 Federal and non-Federal experts in the fields of epidemiology, toxicology, mental health, pediatrics, early childhood education, special education, diet and nutrition, and environmental health. Half of the committee (8 people) consists of Federal representatives. The Centers for Disease Control and Prevention (CDC) solicited federal members from HHS, the Consumer Product Safety Commission (CPSC), Department of Agriculture, Department of Education, Department of Housing and Urban Development, Environmental Protection Agency (EPA), Occupational Safety and Health Administration (OSHA), and U.S. Geological Survey.

Federal Register Noticeexternal icon to solicit nominations for non-Federal members was published on February 21, 2018.