Our Practice Home
- Our Leadership
- Our Culture
- Awards
- Testimonials
- Locations
- Registrations
- Charitable Work

New Book on Green Building Breakthrough:
Platinum LEED on a Conventional Budget

Check out IE’s pioneering work in this complimentary, illustrated 48-page book.
Download (PDF 5MB) »
Learn More »

Our Leadership

Robert Dupuy, LC, IALD

Associate Principal
Robert joined Interface in 1992 as a Senior Lighting Designer and became an Associate Principal in 1998. He is the Lighting Studio team leader, and has 25 years of experience in lighting design and theatrical consulting. Robert uses sustainable design practices in his lighting projects and has been the recipient of several prestigious honors, including the Edison Award and numerous awards from the Illuminating Engineering Society of North America.

Omid Nabipoor,
LEED® AP
President

David Pickett, PE,
LEED® AP
Senior Vice President

Andrew Briones
Associate Principal

David Chesley, PE, RCDD, LEED® AP
Associate Principal

Joel D. Cruz
Principal

Steven Dacus, PE
Associate Principal

Paul DuPont, PE
Principal

Robert Dupuy, LC, IALD
Associate Principal

Issam Elsahili
Principal

Andy Frichtl, PE
Principal

Jonathan F. Gray, CIPE
Principal

Hormoz Janssens, PE,
LEED® AP
Principal

Creighton Kearns, PE
Principal

Stuart Lindsay,
LEED® AP
Principal

Beverly Markstrom
Principal

Rob Matteson, CIPE,
LEED® AP
Principal

John McMichael, PE
Principal

Philip Michaels, PE,
LEED® AP
Principal

Nicholas P. Rich, PE,
LEED® AP
Principal

Douglas C. Smith, PE,
LEED AP
Associate Principal

David A. Williams, PE,
LEED AP
Associate Principal