FILE PHOTO: Bumble founder and CEO Whitney Wolfe Herd sits for a portrait in the Manhattan borough of New York City, U.S., January 31, 2019.  REUTERS/Caitlin Ochs/File Photo
Bumble founder and chief executive Whitney Wolfe Herd's stake in her company is now worth about $900m following its stock market debut. Reuters

Female founder of dating app Bumble becomes billionaire after company's IPO