FAIRFAX, Va.–(BUSINESS WIRE)–ICF International, Inc. (NASDAQ:ICFI), a leading provider of professional services and technology-based solutions to government and commercial clients, today announced that its Investor Day will take place on Tuesday, September 20, 2016, in New York City. The Investor Day will feature presentations by members of ICF’s Executive Leadership Team, who will discuss growth drivers in key areas of the company’s business including, federal government, digital marketing s