In 1949 Vince joined Rohm & Haas as a junior accountant. He was sent to France to start the first Rohm & Haas plant abroad, and to England to manage the company’s agricultural-chemical operations. From there he became director of European operations.
He moved back to Philadelphia and assumed control of company operations in Latin America and the Pacific, then became head of Rohm & Haas. He received many awards over the years and created a post at Harvard, the Vincent L. Gregory Chair of Cancer Research.
Vince died June 3, 2019. He is survived by his wife, Marjorie; son, Greg; granddaughters Melanie and Emma; four great-grandchildren; and several nieces and nephews.