��������

John Tsingas, currently serving as Vice President at Grumman/Butkus Associates since April 2007. Prior to this, John held the position of Senior Associate at Teng & Associates from 1998 to 2007, Associate Principal at Perkins+Will from 1994 to 1998, and Project Manager at Gamze Korobkin Caloger from June 1987 to April 1994. Tsingas obtained an MBA in Finance from the University of Illinois Chicago in 1993, a MSME in Mechanical Engineering from Georgia Institute of Technology in 1986, and a BSME in Mechanical Engineering from Aristotle University of Thessaloniki in 1983.