Since January, 2014, Dr. McCool has served as President/CEO of TMC Consulting, LLC. With offices in Santa Barbara, California and Collingswood, New Jersey, TMC Consulting promotes quality programs and services for children and adults with special needs, including autism.

From 2005 to 2014, Dr. McCool served as President/CEO of the Eden Family of Services, based in Princeton, New Jersey. From 1996 to 2005, Dr. McCool served as the Vice President of Development and Government Relations for The Devereux Foundation nationally. From 1985 to 1996 Dr. McCool was the Executive Director of Devereux California with responsibility for Clinical, Residential, Recreational, and Educational/Vocational Programs for 235 developmentally disabled children and adults.