Jan Koum grew up in Mountain View, California, on welfare and he just wrote the biggest check in Israeli healthcare history.
WhatsApp co-founder has donated $200 million to Shaare Zedek Medical Center in Jerusalem through the Koum Family Foundation, a gift that will help build a new 24-story tower and double the hospital’s current capacity of around 1,000 beds. The institution will officially be renamed Koum Shaare Zedek Medical Center.