According to Business Insider, "Serena Williams and Alexis Ohanian have a combined net worth of $189 million. Williams has won 72 tennis tournament titles on her way to racking up $88 million in prize money. Ohanian sold Reddit for millions when he was in his mid-20s." Ohanian also branched out from Reddit. He co-founded Initialized Capital, which manages $500 million in assets. Williams is still participating and winning tournaments. They are definitely a power couple.