Quentin Roach has been named senior vice president and chief procurement officer, Bristol-Myers Squibb. Mr. Roach will be responsible for global leadership for supplier relationship management, company-wide sourcing strategies, and procurement of all materials and services.     “As we transition Bristol-Myers Squibb to a next-generation BioPharma model, Quentin will play a key role in continuing to maximize the strategic value that procurement can deliver to the company,” said Carlo de Notari...