Our Offices


Operations oversees the departments of Business Operations, Finance, Human Resources and Administration, and Information Technology.

Jack F. Callahan, Jr., Senior Vice President for Operations

Mr. Callahan, who earned a B.A. at Yale in 1980 and an M.B.A. from the Amos Tuck School at Dartmouth in 1986, has held leadership positions at a number of major global organizations. He began his career as a consultant in the New York and London offices of McKinsey and Company.
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