Mr. Colahan has worked in financial aid since 1983. He has been employed at Haverford since 2012, and became Director of Financial Aid in November 2015. Previous to Haverford, he has worked at Cabrini College, the University of the Sciences in Philadelphia, Thomas Jefferson University, and the Katharine Gibbs Schools.

He graduated Ithaca College, 1981

He is the author of two novels.