Fenna Sillé, PhD
Fenna Sillé is an Assistant Professor at JHU and Deputy Director of the Johns Hopkins Center for Alternatives to Animal Testing. There she leads the exposome program and studies how environmental exposures change the immune system.
Thomas Hartung, MD, PhD
Thomas Hartung is the Director of the Johns Hopkins Center for Alternatives to Animal Testing. In this capacity, he steers the revolution in toxicology to move away from 50+ year-old animal tests to organoid cultures and the use of artificial intelligence.
Gary Miller, PhD
Gary Miller, Professor of Environmental Health Sciences at Columbia University, is a leader in the field of exposomics, which studies the comprehensive and cumulative effects of physical, chemical, biological, and psychosocial mediators that impact biological systems.
Nicole Kleinstreuer, PhD
Nicole Kleinstreuer is the Acting NIH Deputy Director for Program Coordination, Planning, and Strategic Initiatives. She previously served as Director of the NTP Interagency Center for the Evaluation of Alternative Toxicological Methods (NICEATM) at the NIH from 2020 to 2025.
Danilo Tagle, PhD
Dan Tagle is the director of NCATS’ Office of Special Initiatives. He also recently served as the Center’s acting deputy director, as well as the acting director of NCATS’ Office of Grants Management and Scientific Review, now the Division of Extramural Activities.
David Balshaw, PhD
David Balshaw is the Director of the Division of Extramural Research and Training. David is a biophysicist by training with a Ph.D. from the Department of Pharmacology and Cellular Biophysics at the University of Cincinnati.
Rima Habre, ScD, MSc
Rima Habre is an Associate Professor in Environmental Health and Spatial Sciences at USC, jointly appointed in the Department of Population and Public Health Sciences, Keck School of Medicine, and the Dornsife Spatial Sciences Institute.
Chirag Patel, PhD
Chirag Patel is an Associate Professor of Biomedical Informatics at Harvard University. Patel’s group aims to dissect inter-individual differences in human phenomes through strategies that integrate data sources that capture the comprehensive clinical experience , the complex phenomena of environmental exposure, and inherited genomic variation.
Srikanth Nadadur, PhD
Srikanth (Sri) Nadadur, is the branch chief for the Exposure, Response, and Technology Branch (ERTB) at the NIEHS. He joined the NIEHS Division of Extramural Research and Training in 2007.
Sophie Thuault-Restituito, PhD
Sophie Thuault-Restituito serves as the Executive Director of Strategic Initiatives at NEXUS: Network for Exposomics in the U.S, directly reporting to the funding Director, Gary Miller. In this capacity, she works closely with Gary to establish and implement the Center’s strategic vision.
Jana Klánová, PhD
Jana Klanova is Professor of Environmental Chemistry at Masaryk University. She serves as director of RECETOX (the European Centre of Excellence in Environmental Health Science) and European coordinator of EIRENE (the ESFRI infrastructure for Human Exposome research).
Geetha Senthil, PhD
Geetha Senthil serves as Deputy Director of the Office of Special Initiatives at the National Center for Advancing translational Sciences (NCATS) of the NIH.
Roel Vermeulen, PhD
Roel Vermeulen is Professor of Environmental Epidemiology and Exposome Science at Utrecht University, with appointments at the Institute for Risk Assessment Sciences and the Julius Center at the University Medical Center Utrecht.
Denis Sarigiannis, PhD
Denis Sarigiannis, Professor of Environmental Engineering at Aristotle University of Thessaloniki, serves as director and president of the board for the National Hellenic Research Foundation.
L. Michelle Bennett, PhD
L. Michelle Bennett, PhD started her career as a molecular oncologist working at the interface of the environment. During her 20 years at the NIH Michelle held many leadership roles and gained extensive practical experience promoting collaborative-based approaches to strategic planning, identifying emerging areas of research, and assessing the impact of research investment. She started L.M.Bennett Consulting to support teams and organizations in collaborating more effectively.
Camila Sgrignoli Januario, MPA
Camila Sgrignoli Januario is the Senior Program Manager at the Center for Alternatives to Animal Testing (CAAT) at Johns Hopkins Bloomberg School of Public Health. She has extensive experience in strategic planning, program development, and cross-cultural collaboration. Camila has developed socio and educational programs, managed advisory boards, and organized major events like the first three Microphysiological Systems World Summits. She has a master’s degree in public administration from the University of Baltimore.