Grumman|Butkus Associates
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.
Grumman|Butkus Associates
Grumman|Butkus Associates (GBA) is a nationally recognized consulting engineering firm that specializes in mechanical, electrical and plumbing design services and energy and resource consulting for buildings. From our founding over 50 years ago as a consulting firm with an exclusive focus on energy conservation, we have evolved into a full-service MEP firm with a sustainability mission. Our innovative engineers provide building owners and operators with services that result in high performing, energy- and resource-efficient buildings and facilities. Our extensive experience with energy-intensive, mission critical facilities has led to our leadership position in both the healthcare and laboratory markets. While our designs are sensitive to sustainability and energy efficiency, our correlative services, including commissioning and retro-commissioning, energy and resource benchmarking, energy conservation studies, MEP infrastructure planning and upgrades, LEED consulting, and computerized building modeling, are aimed at improving and maintaining the performance and efficiency of systems throughout the entire lifetime of a building or facility.