During Pratt's two decades at the helm, Pfizer evolved into one of the fastest-growing pharmaceutical companies in the United States.
Pratt expanded research and development facilities worldwide, acquired Howmedica and other medical device companies, and introduced of products like Procardia, Feldene, Diflucan, and Norvasc.
[8] Pratt's earlier government service in Washington stood him in good stead as the Company grew and played a greater role in national and international matters.
In his own words "We were beginning to notice that we were losing market share [in developing countries] because our intellectual property rights were not being respected in these countries" [9] A member of the IPC trade delegation in the Punta del Este round of the GATT trade talks in 1986, he pushed hard for the creation of a commercially beneficial system of worldwide IP rights.
He also held leadership positions in organizations such as the United Way, the Boys Clubs of America, and the Girl Scouts of the USA.
A magna cum laude graduate of Duke - who relied on a U.S. Navy scholarship to fund his education - Pratt donated $35 million to the university in 1999.