Dr. Thomas Grier Roulette, 53, a Washington management consultant who was former government official and an oil company executive, died of a heart ailment Oct. 28 at his home in Fairfax.

Dr. Roulette moved to Washington in the early 1950s. He was a project director and manpower analyst with the Army Department from 1952 to 1958. He was an organization development coordinator with the Arabian-American Oil Co. (ARAMCO) from 1965 to 1974.

Since then, he had operated his own consulting firm. He specialized in industrial and social psychology. Clients included the World Bank, oil companies and Middle Eastern governments. He also had lectured at the Washington campus of Central Michigan University and at the Foreign Service Institute.

Dr. Roulette was a native of Erie, Pa. He graduated from Gettysburg College, earned a master's degree at Pennsylvania State University and a doctorate in industrial psychology at Case-Western Reserve University.

He was a member of the American Psychological Association, the Middle East Institute and American Management Association.

Survivors include his wife, Airi Paukkunen Roulette, a son, Anthony Fitzpatrick Roulette, and two daughters, Lisa Monique and Pippa Melina Roulette, all of Fairfax, and his father, George H. Roulette of Carson City, Nev.