He received dual degrees in accounting and economics from the University of Alabama where he was a member of Theta Chi Fraternity. He then went on to get his Master of Accountancy from the University of Houston.
He started work with the firm Coopers & Lybrand, one of the two firms along with Price Waterhouse, that merged in 1998 to form PricewaterhouseCoopers. DiPiazza joined C&L in 1973 and was named partner six years later in 1979. Later in his career he was chosen to head first the Birmingham, Alabama, and then the Chicago offices. In 1992 he was appointed managing partner of the Midwest region. In 1994 he moved to a position in the New York office, similar to his previous one, and added client service vice president to his resume. Finally, in 2000 he was elected chairman and senior partner of the United States firm, a role he filled until 2002 when he took over the role of chairman and managing partner for the firm as a whole.
Outside of PricewaterhouseCoopers, DiPiazza is serving a three-year term as a trustee of the Financial Accounting Foundation. He also serves on the International Advisory Board of Junior Achievement, the Executive Council of the Inner City Scholarship Fund and is President of Big Brothers Big Sisters New York City. He serves on the Executive Committee of the National Corporate Theater Fund and as a board member with the New York City Ballet. He is also on the board of the World Trade Center Memorial Foundation.He has stepped down as the Chairman of PwC on June 30, 2009 (seehttp://www.mydigitalfc.com/jobs/pwc-global-chairman-step-down-873)
Recently, Mr. DiPiazza has been a member of the Committee on Capital Markets Regulation which has been mandated to assess the impact of the current U.S. regulatory environment on the competitiveness of the U.S. in the global capital marketplace.
On October 12, 2005, Mr. DiPiazza was appointed to a second four-year term as chairman of the PricewaterhouseCoopers global, beginning on January 1, 2006.He stepped down in June 2009 (http://www.mydigitalfc.com/jobs/pwc-global-chairman-step-down-873)
He stepped down as the Global Chairman on June 30, 2009 making way for Dennis Nally (http://www.mydigitalfc.com/jobs/pwc-global-chairman-step-down-873)