Our Team
Reshma Ramachandran, MD, MPP, MHS
Co-Director of CRRITAssistant Professor of Medicine (General Medicine)Dr. Ramachandran co-directs the Collaboration for Regulatory Rigor, Integrity, and Transparency (CRRIT). Dr. Ramachandran is a primary care physician trained in family medicine and a health services researcher. Her research focuses on developing evidence-driven strategies to ensure equitable access to meaningfully effective and safe health innovations in the United States and abroad.
Joseph Ross, MD, MHS
Co-Director of CRRITProfessor of Medicine (General Medicine) and of Public Health (Health Policy and Management) Dr. Ross co-directs the Collaboration for Regulatory Rigor, Integrity, and Transparency (CRRIT). Dr. Ross’s research focuses on examining factors which affect the use or delivery of recommended ambulatory care services for older adults and other vulnerable populations, evaluating the impact of state and federal policies on the delivery of appropriate and higher quality care, and addressing issues related to pharmaceutical and medical device regulation, evidence development, postmarket surveillance, and clinical adoption.
Jason L. Schwartz, PhD
Associate Professor of Public Health (Health Policy), in the History of Medicine, and in the Institution for Social and Policy Studies Dr. Schwartz is a core faculty member of the Collaboration for Regulatory Rigor, Integrity, and Transparency (CRRIT). His research examines vaccines and vaccination policy, decision-making in medical regulation and public health policy, and the structure and function of scientific expert advice to government. The overall focus of his work is on the ways in which evidence is interpreted, evaluated, and translated into regulation and policy in medicine and public health.
Joshua D. Wallach, PhD, MS
Associate Professor, Department of Epidemiology, Rollins School of Public Health, Emory University Dr. Wallach is a core faculty member of the Collaboration for Regulatory Rigor, Integrity, and Transparency (CRRIT). His research leverages a wide range of methodologies and data sources to evaluate the role of evidence in policy decision-making and the development, regulation, and utilization of medical products. His methodological expertise encompasses evidence synthesis and evaluation, including conducting systematic reviews, meta-analyses, next-generation reviews, and meta-research studies.
Anthony D. So, MD, MPA
Director, IDEA Initiative and Professor– Emeritus, Johns Hopkins Bloomberg School of Public HealthDr. So is a core faculty member of the Collaboration for Regulatory Rigor, Integrity, and Transparency (CRRIT). He works on research and policy to improve innovation and access to health technologies with a particular focus on antimicrobial resistance. Dr. So is particularly interested in innovation and access to health technologies, essential medicines, pharmaceutical policy, globalization and health equity, and antimicrobial resistance.
Jessica Ritchie Klein, MPH, PMP
Senior Research ManagerMs. Ritchie leads all operations for the Yale Collaboration for Regulatory Rigor, Integrity, and Transparency (CRRIT), as well as other regulatory science and data sharing initiatives, including the Yale University Open Data Access (YODA) Project and the Yale-Mayo Clinic Center of Excellence in Regulatory Science and Innovation (CERSI).
Michelle E. Bernabeo, BA
Program CoordinatorMs. Bernabeo provides program support for the Yale Collaboration for Regulatory Rigor, Integrity, and Transparency (CRRIT) Project, as well as the Yale-Mayo Clinic Center of Excellence in Regulatory Science and Innovation (CERSI) Project.
Mengyuan Fu, PhD
Postdoctoral FellowMengyuan Fu, PhD, MS, is a Postdoctoral Fellow at Yale School of Medicine. Her research focuses on equitable access to and the appropriate use of medicines and medical information across healthcare settings and countries. She examines how pharmaceutical policies, regulatory decisions, reimbursement systems, healthcare delivery models, and social media influence real-world prescribing practices and patient use of evidence-based treatments.
Rohini Ghosh, MD, MPH
Postdoctoral AssociateDr. Ghosh is a Postdoctoral Associate at Yale School of Medicine and received her MPH in Biostatistics from the Yale School of Public Health. Her research evaluates the evidentiary basis of clinical decision-making and whether it is appropriate within a causal-inference framework, including the clinical validity of digital endpoints and the evidence behind emerging therapeutic practices. She also works using advanced statistical methods to study how health-system policies shape the availability and accessibility of care. She aims to advance regulatory-relevant research that strengthens the rigor behind decisions about the efficacy and safety of drugs, medical devices, and care delivery systems.
Erfan Taherifard, MD, MPH
Postdoctoral AssociateDr. Taherifard is a Postdoctoral Associate at Yale School of Medicine. Dr. Taherifard’s research examines how medical products are evaluated, regulated, and covered, with the goal of advancing policies that improve patient safety and healthcare quality. His work focuses on the assessment of the U.S. Food and Drug Administration’s regulatory framework, with particular emphasis on the safety of medical products across their lifecycle. He is also a member of the Yale University Open Data Access (YODA) Project, where his work supports clinical trial data sharing and transparency.
Therese Ziaks, MS, MPH
Postgraduate AssociateMs. Ziaks is a Postgraduate Associate at the Yale Schools of Medicine and of Public Health. Her research focuses on the Prescription Drug User Fee Act (PDUFA) at the U.S. Food and Drug Administration. Her work evaluates various aspects of the user fee program with the goal of increasing public engagement, patient centeredness, and transparency.