Contact Info:

(212) 466-7819
Download VCard

James J. Dunne, III

Senior Managing Principal

Jimmy Dunne is Senior Managing Principal of Sandler O’Neill + Partners, L.P., and heads the firm’s Executive Committee. Sandler O’Neill is the largest independent full-service investment banking firm focused on the financial services sector.

While Mr. Dunne oversees Sandler O’Neill’s long-term strategy and growth, he also plays a very active role in many of the firm’s key client relationships. Under his leadership, the firm has built upon its longstanding strengths in fixed income, capital markets and investment banking, and has expanded its efforts in research, equity sales, trading and mortgage finance. In addition to its New York headquarters, Sandler O’Neill has established offices in Atlanta, Boston, Chicago and San Francisco, and an affiliated mortgage finance company in Memphis.

Mr. Dunne has been a crucial contributor to Sandler O’Neill’s investment banking practice. Among others, he was an advisor to Blackhawk Network Holdings on its acquisition by Silver Lake and P2 Capital Partners, Financial Engines on its acquisition by Hellman & Friedman, Virtu Financial in its acquisition of KCG Holdings, FCB Financial Holdings in its merger with Synovus Financial Corp., and Beneficial Bancorp in its merger with WSFS Financial Corporation.

On September 11, 2001, Sandler O’Neill lost 66 of its 171 partners and employees in the World Trade Center attacks, including Herman Sandler and Chris Quackenbush, two of the three executives who ran the firm. Mr. Dunne, who had been Managing Principal with responsibility for all aspects of the day-to-day operations, spearheaded the firm’s recovery process and set the tone for its determination to succeed. Currently, Sandler O’Neill employs over 300 professionals in its various business units, is a market maker for approximately 420 financial stocks, and writes research on 320 companies.

Mr. Dunne is a frequent financial industry commentator and is often invited to speak on leadership, management and the financial services sector to business, academic and civic organizations.

Mr. Dunne began his career on Wall Street after graduating from the University of Notre Dame with a Bachelor of Arts in Economics.  He is an avid golfer and active with numerous charitable organizations. He is a member of the University of Notre Dame Board of Trustees.