California political kingmaker Will Brown made a surprise endorsement in the governor’s race — throwing his support behind billionaire Tom Steyer.

Brown, the former mayor of San Francisco, said in a statement that he’s known Steyer “for many years” and praised his ability to lead.

Mayor Willie L. Brown CBS via Getty Images

“I’ve seen how how he brings a deep understanding of complex issues, a disciplined approach to learning and decision making, and a clear commitment to leading with principle and purpose to everything he does,” Brown said.

“California needs a governor who is fully informed, independent in thought, and focused on what serves the public best,” he continued, “and I believe Tom Steyer embodies those qualities and offers real benefit to the state’s future.”

Steyer shared a video on X featuring Brown hailing the candidate for his “brain power” and independence.

“I am grateful for Willie Brown’s confidence as we work to move the state forward,” Steyer wrote.

The endorsement may have come as…