On December 17, 2018, Ecology and Environment Inc. announced that Gerard A. Gallagher III, who has served as the company’s Chief Executive Officer since 2015, is leaving the company effective as of that date. Mr. Gallagher’s responsibilities for oversight of international operations have been assigned to the company's Technical Operations Director Fred J. McKosky, and the remainder of Mr. Gallagher’s duties will be assumed by the Operations Committee, which consists of the company's Executive Chairman Marshall A. Heinberg, President-U.S. Operations Todd Musterait and Chief Administrative Officer JoAnn Shea.