With shocking statistics showing that the controlling behaviours associated with financial abuse are present in 99% of all cases of domestic violence, Williams’ campaign can’t come a moment too soon.

“It’s a weapon that keeps people trapped in abusive relationships,” Williams told USA Today. “One in four women will experience domestic violence, and this is to help woman and communities throughout America find a way (out of) abuse through financial education and empowerment. That’s my big message.’’

Williams, who is a vocal advocate for women’s issues and recently called for gender parity in the workplace, also said that her involvement in the campaign had inspired life lessons that she would pass along to her daughter, Alexis, in the future.

Financial abuse might not be visible, but Serena Williams is fighting to change that