She's one of the cofounders of Hinge, which was acquired by Match Group.

What are the chances Hinge made it to acquisition without giving shares to employees and investors?

Wiki says they nearly went bankrupt just before a funding round. Even Zuckerberg only owned 28% of Facebook at IPO.

Oh I'm not saying she has a billion. Odds are she is quite wealthy though.

maybe 1B is family wealth rather than personal wealth?