Division of Environmental Pediatrics Team | NYU Langone Health

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Division of Environmental Pediatrics Team

Meet our team of faculty and staff.

Faculty and staff in NYU Langone’s Division of Environmental Pediatrics work together to support innovative research projects that aim to identify how to protect children from environmental hazards.


Professor Leonardo Trasande, MD, MPP

Leonardo Trasande, MD, MPP
Associate Professor, Departments of Environmental Medicine, Pediatrics, and Population Health


Professor Akhgar Ghassabian, MD, PhD

Akhgar Ghassabian, MD, PhD
Assistant Professor, Departments of Environmental Medicine, Pediatrics, and Population Health

Our Team

Yelena Afanasyeva, MS, Senior Data Manager

Yelena Afanasyeva, MS, Senior Data Manager

Ms. Afanasyeva oversees a wide range of data management activities for the Children’s Health and Environment Study, from electronic data capture to data processing, harmonization, and preservation with a focus on data integrity and reproducibility. She is also in charge of data management for the NYU Women’s Health Study in the Department of Population Health. She has a master’s degree in applied mathematics.

Garry Alcedo, Program Manager

Mr. Alcedo provides research and operational support for the Environmental influences on Child Health Outcomes study. He comes to us from the Seattle Children’s Research Institute, Center for Child Health, Behavior and Development, where he spent five years in various capacities supporting the principal investigator and research team, including as the study coordinator for the Infant Development and Environment Study Seattle site. Mr. Alcedo graduated from the University of Washington, receiving a BS in physiology with a minor in bioethics and humanities.


Kasandra Cisneros, Program Coordinator

Ms. Cisneros provides divisional administrative and operational support, as well as focused project support with the Center for the Investigation of Environmental Hazards. She was previously with NYU Langone’s Joan H. Tisch Center for Women’s Health, where she spent two years as surgical coordinator for the gynecology department. She earned her BA in political science with a concentration in gender and global public policy.

Linda Kahn, MPH, PhD, Postdoctoral Fellow

Linda Kahn, MPH, PhD, Postdoctoral Fellow

Dr. Kahn applies a life course approach to reproductive epidemiology. Her research interests span three interrelated areas: the role of prenatal environmental exposures in child and adolescent health; predictors of male and female pubertal development and fertility; and health outcomes of assisted reproduction in both women and children. Dr. Kahn received a PhD in epidemiology and an MPH in population and family health from Columbia University’s Mailman School of Public Health. She has extensive teaching experience, both at Columbia and as part of the Bard Prison Initiative, where she is an instructor in the public health certificate program. Before her career in public health, she spent two decades as a book editor and collaborator specializing in women’s studies, psychology, health, maternity, and childcare.

Tony Koshy, MD, MPH, Research Data Associate

Tony Koshy, MD, MPH, Program Coordinator

Dr. Koshy provides research support for construction of the Children’s Health Environmental Biobank as well as for projects focused on the early identification of World Trade Center–related conditions in adolescents and early childhood obesity. He earned an MD degree from Aureus University School of Medicine in Oranjestad, Aruba, an MPH with a concentration in program planning and evaluation from George Washington University, and a BS in business, management, and economics with a concentration in healthcare management from SUNY Empire State College. He is also completing his master’s in theology at Fuller Theological Seminary.

Mrudula Naidu, MS, MPH, Research Project Manager

Mrudula Naidu, MS, MPH, Program Manager

Ms. Naidu oversees research operations and all of Dr. Trasande’s grant-related activities. Before joining our team, she worked as a research coordinator for the medical education research group at NYU Grossman School of Medicine. She previously served as a research associate in the Department of Maternal and Child Health at Johns Hopkins Bloomberg School of Public Health. She received an MPH with a concentration in global health from NYU and an MS in pharmacy administration from St. John’s University.

Educational Videos

Watch Dr. Leonardo Trasande speak about the effects of chemical exposure from the World Trade Center disaster on adolescent heart and lung health.

Dr. Trasande is a frequent guest on the online parenting forum Kids in the House. Watch his educational videos to learn about how certain environmental exposures affect children’s health.