Following Bumble's IPO, CEO and founder Whitney Wolfe Herd, who is 31, became the youngest female CEO ever to take a company public in the US (Angel Au-Yeung/Forbes)

Angel Au-Yeung / Forbes:
Following Bumble's IPO, CEO and founder Whitney Wolfe Herd, who is 31, became the youngest female CEO ever to take a company public in the US  —  [Update 7 pm ET: Whitney Wolfe Herd ended the day Thursday with a net worth of $1.5 billion based on Bumble stock closing at $70.55.]