Nicolle Gatto, PhD, MPH

Chief Science Officer

Nicolle is an epidemiologist with 20 years of industry experience. She serves as a senior scientific voice ensuring appropriate and principled use of real-world data and real-world evidence, designing and communicating scientific frameworks, standards and methodologies, and collaborating with stakeholders globally.

Before Aetion, Nicolle was the Group Head for Vaccines and Oncology with the EpidemiologyGroup at Pfizer, providing strategic leadership, oversight of comprehensive epidemiology strategies to examine the safety of medicines, consultation on design of pragmatic trials and hybrid studies, and expertise on methods-related epidemiologic issues. She has designed and implemented primary and secondary data collection observational studies and pragmatic trials, and has presented to and negotiated these studies with FDA and EMA. Nicolle is Fellow of theInternational Society for Pharmacoepidemiology and an Adjunct Assistant Professor ofEpidemiology at Columbia University and Tulane, teaching pharmacoepidemiology, causal inference, and confounding control methods courses.