Our Locations

-
Tom Voltaggio, Principal
tomv@interfaceeng.com -
Craig Burton, Associate Principal, Senior Mechanical Engineer
craigb@interfaceeng.com -
Mark Blazis, Associate Principal, Senior Mechanical Engineer
markb@interfaceeng.com -
Marty Lunkes, Associate Principal, Senior Mechanical Designer
martyl@interfaceeng.com -
Steve Eich, Associate Principal, Senior Electrical Engineer
stevee@interfaceeng.com

-
Hormoz Janssens, Managing Principal
hormozj@interfaceeng.com -
Joel D. Cruz, Principal
joelc@interfaceeng.com -
Rick Russell, Principal
rickr@interfaceeng.com -
Scott Sato, Principal
scotts@interfaceeng.com -
Shawn MacLean, Principal
shawnm@interfaceeng.com

-
Eugene de Souza, Principal
eugened@interfaceeng.com

-
Andy Frichtl, Managing Principal
andyf@interfaceeng.com -
Adam Carlson, Principal, Senior Mechanical Engineer
adamc@interfaceeng.com -
Steve Dacus, Principal
steved@interfaceeng.com -
Scott Holum, Principal
scotth@interfaceeng.com -
Andrew Lasse, Principal
andrewl@interfaceeng.com -
Mark O'Leary, Principal
marko@interfaceeng.com -
Jim Sattem, Principal, Senior Electrical Engineer
jims@interfaceeng.com -
Joe Schmid, Principal
joes@interfaceeng.com -
Michael Troyer, Principal
michaelt@interfaceeng.com

-
Hormoz Janssens, Managing Principal
hormozj@interfaceeng.com -
Joel D. Cruz, Principal
joelc@interfaceeng.com -
Shawn MacLean, Principal
shawnm@interfaceeng.com -
Rick Russell, Principal
rickr@interfaceeng.com

-
Andy Frichtl, Managing Principal
andyf@interfaceeng.com

-
Roger Frechette, Managing Principal
rogerf@interfaceeng.com -
Kevin Cahill, Principal
kevinc@interfaceeng.com -
Joseph DiIenno, Principal
josephd@interfaceeng.com

-
Hormoz Janssens, Managing Principal
hormozj@interfaceeng.com -
Joel D. Cruz, Principal
joelc@interfaceeng.com -
Rick Russell, Principal
rickr@interfaceeng.com -
Shawn MacLean, Principal
shawnm@interfaceeng.com

-
Andy Frichtl, Managing Principal
andyf@interfaceeng.com -
Kenton Aikens, Principal, Senior Fire/Life Safety Engineer
kentona@interfaceeng.com

-
Hormoz Janssens, Managing Principal
hormozj@interfaceeng.com -
Roger Frechette, Managing Principal
rogerf@interfaceeng.com -
Steve Gross, Principal
steveg@interfaceeng.com