Overseas Adventure Travel

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Established in 1978, Overseas Adventure Travel (O.A.T.) is part of Boston-based Grand Circle Corporation's family of travel companies, which also include Grand Circle Cruise Line and Grand Circle Travel. In 1992, owners Alan and Harriet Lewis established the nonprofit Grand Circle Foundation to support communities in which Grand Circle works and travels, including some 300 humanitarian, cultural, and educational endeavors worldwide—among them, 100 schools, in 50 countries. The Foundation is an entity of the Lewis Family Foundation, which has pledged or donated more than $200 million since 1981.Established in 1978, Overseas Adventure Travel (O.A.T.) is part of Boston-based Grand Circle Corporation's family of travel companies, which also include Grand Circle Cruise Line and Grand Circle Travel. In 1992, owners Alan and Harriet Lewis established the nonprofit Grand Circle Foundation to support communities in which Grand Circle works and travels, including some 300 humanitarian, cultural, and educational endeavors worldwide—among them, 100 schools, in 50 countries. The Foundation is an entity of the Lewis Family Foundation, which has pledged or donated more than $200 million since 1981.