Ecology and Environment, Inc. announced that Frank B. Silvestro has informed the company's Board of Directors that he will retire from his positions as Executive Vice President and Chairman of the Board of Directors of the Company, effective January 1, 2017. Mr. Silvestro's decision to retire was communicated to the company's Board of Directors on July 14, 2016. After his retirement, Mr. Silvestro intends to continue to serve as a Director on the Company's Board of Directors and to serve as a contracted consultant to the company.