The former chairman of Progressive Insurance Company.
Lewis frequently donated money to politically liberal causes, such as the Marijuana Policy Project, the ACLU, the Democratic Party, and more. He once matched billionaire colleague George Soros' several-million-dollar donations to progressive PACs America Coming Together and MoveOn.org.
Peter B. Lewis - Wikipedia
"Dan Gilbert, Peter B. Lewis join 'Giving Pledge' to donate some of fortunes: Michael K. McIntyre's Tipoff" - Cleveland.com (2019)