Giant, headquartered in Landover, Md., operates 182 supermarkets in Virginia, Maryland, Delaware, and the District of Columbia, and employs approximately 22,000 associates. Included within the 182 stores are 164 full-service pharmacies. An industrial engineer, Mr. Thurston spent more than 30 years at Giant. Early in his career at Giant, he became the project manager for the design and implementation of a new distribution center. This involved computerizing and mechanizing a new warehouse, which was a cutting-edge initiative in the early 1970s. Mr. Thurston became vice president of Distribution, responsible for both warehousing and transportation. In 1984, he became senior vice president and part of the company's Management Committee, a group of senior vice presidents who reviewed and shaped policy for the corporation. He retired in 1999.