Eric Liang Feigl-Ding (born March 28, 1983) is an American public health scientist who is currently an epidemiologist and Chief of COVID Task Force at the New England Complex Systems Institute. He was formerly a faculty member and researcher at Harvard Medical School and Harvard T.H. Chan School of Public Health. He is also the Chief Health Economist for Microclinic International, and co-founder of the World Health Network. His research and advocacy have primarily focused on obesity, nutrition, cancer prevention, and biosecurity. In January 2020, Feigl-Ding sounded an early alarm about COVID-19 and called for preparedness. His call for pandemic alarm went viral on Twitter and was amplified by media outlets. During the COVID-19 pandemic, Feigl-Ding's Twitter posts on the matter have been popular. His tweets on the pandemic have been criticized by other scientists as alarmist, misleading, and inaccurate. Source: Wikipedia (en)