Barack Obama Kamala Harris Nancy Pelosi State Leaders Chuck Schumer Bill Clinton Ken Martin Former Presidents Joe Biden Hakeem Jeffries Tim Walz Doug Emhoff Senators and Representatives Campaign Strategies Jaime Harrison Emerging Leaders State Party Chairs Candidates for Chair Public Statements Younger Leaders Female Leaders Alexandria Ocasio-Cortez Support for Joe Biden Biden Campaign Co-chair Pressure on President Biden Supporters Ayanna Pressley Biden Administration