Google billionaire Sergey Brin has a secret charity that sends ex-military staff into disaster zones on a superyacht

· The Daily Beast has identified Sergey Brin as the sole donor to a secretive disaster-response charity called GSD.
· GSD sends its staff, many of whom are ex-military, to disaster areas around the world on a super-yacht called "Dragonfly."
· It now says it is helping with COVID-19 testing in California.
· Visit Business...