The New York-born Ohanian, 33, confirmed the news on his Facebook page.
New York: World number two tennis player Serena Williams has become engaged to Alexis Ohanian, co-founder of the social media company Reddit.
"Down on 1 knee. He said four words. And/r/isaidyes," the 35-year-old American said on the social media site on Thursday.
"I came home. A little late. Someone had a bag packed for me. And a carriage awaited. Destination: Rome ... back to where our stars first collided."
The New York-born Ohanian, 33, confirmed the news on his Facebook page, writing: "She said yes".
Alexis Ohanian said he was the happiest man on the planet. (Photo: Alexis Ohanian / Facebook)
Williams is the best player of her generation. She has won 22 grand slam singles titles, the same as German Steffi Graf and trailing only Australian Margaret Court (24).
