Everbridge, Inc. (NASDAQ: EVBG), the global leader in critical event management (CEM), today announced that Josh Harris, Co-Founder of Apollo Global Management and Founder of Harris Blitzer Sports & Entertainment (HBSE), which owns both the Philadelphia 76ers and the New Jersey Devils, will speak at its Spring 2021 COVID-19: Road to Recovery (R2R) virtual leadership summit taking place May 26-27, discussing business resiliency and civic leadership in a post-pandemic world.