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Our Leadership
Andrew Briones
Associate Principal
Andy
is an Associate Principal and serves as the Industrial
Design Team Leader in Interface’s Sacramento
office. He has been with Interface for 18 years
and has more that 25 years of engineering experience
in electrical power distribution and control systems,
including PLC-based controls and Supervisory Control
and Data Acquisition (SCADA). Andy oversees a
variety of water and stormwater projects, with
a design focus water and wastewater facilities.
He has completed more than 150 projects involving
treatment buildings, wells, booster stations and
sewage lift stations. His clients include various
civil engineering firms, the State of California,
City of Stockton, Sacramento County Water Resources
and other municipalities. |
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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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