William (Bill) P. McCormick (born August 18, 1939, in Providence, Rhode Island) is an American businessman and diplomat.
He then moved to northern California and worked in the brokerage office of Connecticut General Life Insurance Companyin San Francisco until 1965.
By the early 1970s McCormick had moved further north to Portland, Oregon, and sold his interest in the Refectory Restaurants.
While growing the restaurant company, he attended the Harvard Business School, Executive Management Program, in 1979.
He began the Shamrock Run twenty-seven years ago for the benefit of many service organizations in Portland, Oregon.