Jimmy Dunne

Jimmy Dunne

Vice Chairman, Senior Managing Principal
Investment Banking

Jimmy Dunne is vice chairman and senior managing principal of Piper Sandler. He was one of the founders of Sandler O’Neill + Partners, L.P., which was acquired by Piper Jaffray in January 2020. Under his leadership, Sandler O’Neill grew to become the largest independent full-service investment banking firm focused on the financial services sector.

Based in the firm’s Palm Beach office, Dunne plays an active role in many of Piper Sandler’s key client relationships and advises on a wide variety of the firm’s mergers and acquisitions. Over the past three decades, he has advised on some of the financial industry’s largest M&A transactions.

Dunne is a frequent financial industry commentator on CNBC and Bloomberg TV and is often invited to speak on leadership and management issues to business, academic and civic organizations.

He began his career on Wall Street after graduating from the University of Notre Dame with a bachelor’s degree in economics. Dunne is member of Notre Dame’s Board of Trustees and received an honorary doctor of laws degree in 2021.