Past Event NYC Young People's Town Hall Share Add to Calendar: Google Yahoo June 22, 2020 5:30 PM - 6:30 PM Professor Jeffrey D. Sachs to participate in the Sophie Gerson Healthy Youth, Young Person's Town Hall -- June 22, 2020, 4:00 - 5:30 P.M. (ET), along with Dr. Irwin Redlener of Columbia University.