Mark A. Blazis, P.E. Vice President Mark received his bachelors of science in mechanical engineering from the University of Illinois at Urbana-Champaign in 1993 and a masters in business administration from DePaul University in 2002.  Mark joined the firm in 1994 and specializes in district heating and cooling, health care and higher education.  He is a registered professional engineer in the State of Illinois, a LEED 2.0 accredited professional and a Registered Energy Professional in the City of Chicago.  Mark works in the Chicago office. ©2006, Henneman Engineering, Inc.