Tennis superstar Serena Williams' husband and co-founder of Reddit, Alexis Ohanian, has quit from his position from the company, urging the board to fill his position with a Black member.

"I co-founded @reddit 15 years ago to help people find community and a sense of belonging. It is long overdue to do the right thing. I'm doing this for me, for my family, and for my country," Ohanian wrote on Twitter.