Our Firm


David A. Breach

Chief Operating Officer & Chief Legal Officer | Vista Equity Partners | San Francisco

David A. Breach joined Vista Equity Partners in 2014. Mr. Breach is a Principal of Vista and sits on Vista’s Private Equity Funds’ Investment Committees. Mr. Breach also sits on the boards of Vista portfolio companies Solera, Mediaocean, Ping Identity, and Vertafore.

Prior to joining Vista, Mr. Breach worked as a Senior Corporate Partner with the law firm Kirkland & Ellis, where his practice focused on the representation of private equity funds in all aspects of their business. While at Kirkland & Ellis, Mr. Breach was a member of its 15-person Global Executive Management Committee and was a founding partner of its San Francisco office. During Mr. Breach’s tenure, Kirkland’s Northern California practice grew to approximately 130 lawyers. Mr. Breach received numerous professional accolades while at Kirkland, including being named a “Law 360 MVP of the Year” for Private Equity in 2013 and a Chambers “Tier 1” rated lawyer for Private Equity Mergers and Acquisitions.

Mr. Breach is a member of the State Bars of California, Illinois, and Michigan.


B.B.A. in Marketing, Eastern Michigan University
J.D., University of Michigan, magna cum laude, Order of the Coif

Executive Office Associate

Diane D'Angelo