Epidemiologist with over 20 years of experience and leadership in the conduct of epidemiologic studies. Central interests include infectious diseases, the field of public health surveillance and the use of public health surveillance data to conduct rigorous assessments of programmatic effectiveness and the impact of policies on health. Extensive experience in domestic and international settings conducting large-scale, ‘real-world’ epidemiologic studies examining key outcomes among persons with HIV infection. Currently Distinguished Professor of Epidemiology at the CUNY School of Public Health. Worked at the forefront of the emerging field of implementation science and is the founding Executive Director of CUNY’s new interdisciplinary Institute for Implementation Science in Population Health (ISPH). Published over 350 scientific articles, and research is primarily funded by the National Institutes of Health and the Centers for Disease Control and Prevention. Serves as Associate Director of the Einstein-Rockefeller-CUNY Center for AIDS Research (CFAR) and Director the Implementation Science and Health Outcomes Core of the HIV Center for Clinical and Behavioral Studies at Columbia University. Also serving as a standing member on the National Institutes of Health study section review panels. More here: http://cunyisph.org/team/denis-nash/Media appearances: https://www.clippings.me/denisnashTwitter: @epi_dude