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Our Leadership
Jonathan Gray, CIPE
Principal
Jon is a Principal, Senior Plumbing Designer and
Team Leader at Interface. Prior to joining the
firm in 1990, he served as a journeyman plumbing
foreman in a plumbing contractor company, responsible
for directing and coordinating work of plumbing
and pipefitting crews, project layout and supervision
of installation. Much of Jon’s experience
with plumbing systems has been in new and remodeled
industrial, commercial, and residential projects.
Jon serves as Interface’s lead plumbing
designer, participating in investigations and
studies, design and construction administration
for the development of plumbing, piping and mechanical
systems. He works with mechanical engineers to
prepare cost estimates and specifications. |
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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 |
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