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Chicago 800X466

Chicago

View Location

100 S Wacker Drive
Suite 1140
Chicago, Illinois 60606

312.964.4450

  • Tom Voltaggio, Principal Emeritus
    tomv@interfaceeng.com
  • Craig Burton, Principal, Senior Mechanical Engineer
    craigb@interfaceeng.com
  • Mark Blazis, Principal, Senior Mechanical Engineer
    markb@interfaceeng.com
  • Roger Frechette, Managing Principal
    rogerf@interfaceeng.com
  • Kim De Alba, Associate Principal, Senior Marketing Manager
    kimd@interfaceeng.com
Waikiki Trade Center 2

Honolulu

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1003 Bishop Street
Suite 750
Honolulu, HI 96813

808.445.9169

  • Hormoz Janssens, Managing Principal
    hormozj@interfaceeng.com
  • Joel D. Cruz, Principal Emeritus
    joelc@interfaceeng.com
  • Rick Russell, Principal
    rickr@interfaceeng.com
  • Scott Sato, Principal
    scotts@interfaceeng.com
  • Shawn MacLean, Principal
    shawnm@interfaceeng.com
800X500 Los Angeles 2

Los Angeles

View Location

601 S Figueroa Street
Suite 2750
Los Angeles, CA 90017

213.694.3434

  • Eugene de Souza, Principal
    eugened@interfaceeng.com
  • Jon Dizon, Regional Marketing Manager
    jond@interfaceeng.com
Interface Office Portland

Portland

View Location

100 SW Main Street
Suite 1600
Portland, OR 97204

503.382.2266

  • 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, Sr. Technologies Designer
    michaelt@interfaceeng.com
  • Shem Heiple, Principal, Senior Mechanical Engineer
    shemh@interfaceeng.com
  • Jim McClelland, Principal, Senior Mechanical Engineer
    jimm@interfaceeng.com
  • Andrew Flanagan, Principal, Senior Plumbing Engineer
    andrewf@interfaceeng.com
  • Nick Marcyan, Principal, Senior Commissioning Authority
    nickm@interfaceeng.com
  • Kim De Alba, Associate Principal, Senior Marketing Manager
    kimd@interfaceeng.com
San Francisco Office

San Francisco

View Location

49 Stevenson Street
Suite 660
San Francisco, CA 94105

415.489.7240

  • Hormoz Janssens, Managing Principal
    hormozj@interfaceeng.com
  • Joel D. Cruz, Principal Emeritus
    joelc@interfaceeng.com
  • Shawn MacLean, Principal
    shawnm@interfaceeng.com
  • Rick Russell, Principal
    rickr@interfaceeng.com
  • Michael Flemming, Principal, Commissioning Agent
    michaelf@interfaceeng.com
  • Wesley Lau, Principal, Senior Electrical Engineer
    wesleyl@interfaceeng.com
  • Jon Dizon, Regional Marketing Manager
    jond@interfaceeng.com
Washington Dc 1280X650

Washington, D.C.

View Location

2000 M Street NW
Suite 270
Washington D.C. 20036

202.370.9555

  • Roger Frechette, Managing Principal
    rogerf@interfaceeng.com
  • Kevin Cahill, Principal
    kevinc@interfaceeng.com
  • Joseph DiIenno, Principal
    josephd@interfaceeng.com
  • Patricia Jordan, Marketing Specialist
    patriciaj@interfaceeng.com
Oakland 1280x650

Oakland

View Location

1999 Harrison Street
Suite 550
Oakland, CA 94612

415.489.7240

  • Hormoz Janssens, Managing Principal
    hormozj@interfaceeng.com
  • Joel D. Cruz, Principal Emeritus
    joelc@interfaceeng.com
  • Rick Russell, Principal
    rickr@interfaceeng.com
  • Shawn MacLean, Principal
    shawnm@interfaceeng.com
  • Michael Flemming, Principal, Commissioning Agent
    michaelf@interfaceeng.com
  • Wesley Lau, Principal, Senior Electrical Engineer
    wesleyl@interfaceeng.com
  • Jon Dizon, Regional Marketing Manager
    jond@interfaceeng.com
San Antonio 1280x650

San Antonio

View Location

13423 Blanco Road
Suite 599
San Antonio, TX 78216

360.901.0006

  • Andy Frichtl, Managing Principal
    andyf@interfaceeng.com
  • Kenton Aikens, Principal, Senior Fire/Life Safety Engineer
    kentona@interfaceeng.com
  • Kim De Alba, Associate Principal, Senior Marketing Manager
    kimd@interfaceeng.com
Denver 1280x650

Denver

View Location

700 17th Street
Suite 1820
Denver, CO 80202

720.531.0085

  • Hormoz Janssens, Managing Principal
    hormozj@interfaceeng.com
  • Steve Gross, Principal
    steveg@interfaceeng.com
NYC Hero image website

New York City

View Location

17 State Street
Suite 4000
New York, NY 10004

212.739.0183

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