 Mr. Berger was a founding member of the American University of Afghanistan and served on the university's board from 2004 to 2015.In 2013, Mr. Berger was appointed to advisory boards for the U.S. Institute of Peace and the U.S. Trade and Development Agency.The firm’s first major projects included design on the Pennsylvania Turnpike, the first turnpike in the U.S., and on I-80 between Denville and Netcong, the first interstate road in the state of New Jersey The firm also designed the Herat-Islam Qala Highway in Afghanistan in 1965.