PRINCIPALS:
Brian L. Thienes, P.L.S. - CEO
Qualifications: Brian is owner and CEO of Thienes Engineering,
Inc. Brian’s extensive background in every phase of the
development process, including land acquisition, entitlement,
civil engineering, land surveying, estimating and public
relations, has provided Thienes Engineering with a solid base
upon which to build a successful design firm. Brian uses a
“hands on” approach in the control and management of all
office and field activities giving him the ability to guide
the direction of all projects.
Affiliations: Member Southern California Land Surveyors
Association
Education: 1981-1986 California State University, Long Beach
Registration: Professional Land Surveyor, State of California,
1986
Reinhard Stenzel, P.E. - Director of Engineering
Qualifications: Reinhard has 16 years of experience in the
field of civil engineering. His experience has included
design, review and management of various types of projects
including commercial and industrial sites, single and multiple
family residential, hospital and shopping centers. As Director of
Engineering, Reinhard is responsible for maintaining project
schedules and overseeing quality control of construction
documents.
Education: B.S. Civil Engineering – California State
University, Long Beach
Registration: Professional Civil Engineer, State of California,
State of Nevada
Haidook "Duke" Aghaian, P.E. - Senior Civil Engineer
Qualifications: Duke has 22 years of civil engineering and
management experience. He is currently serving Thienes
Engineering, Inc. as a Senior Civil Engineer. Duke is
responsible for managing design teams under his supervision
and providing assistance in the following areas: project
processing, sanitary sewer design, water distribution design,
storm drain design, hydrology studies, preparing proposals,
construction cost estimates, coordinating survey crews,
preparing grading plans, designing detention basins, preparing
FEMA packages, on and off ramp design and final map
preparation.
Affiliation: California Counsel Civil Engineers and Land
Surveyors, American Society of Civil Engineers.
Education: 1979, BS Civil Engineering - University of California, Irvine
Registration: Civil Engineer, State of California, 1982
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