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Joseph A. Jehn, P.E. Principal
in Charge
Joseph A. Jehn is the founder and CEO of JeHN
Engineering. He has practiced civil engineering
for over 30 years and has extensive experience
in the design of public and private infrastructure
projects throughout the Western United States.
He maintains an active role in day-to-day operations
and performs oversight/peer review of major
projects. Mr. Jehn is the design principal and
project development chief for the firm, and
is a registered professional engineer in numerous
states, including Colorado. Mr. Jehn's knowledge,
problem solving ability, and tenacity make certain
that even the most complex projects become reality
with all parties being satisfied in the end.
Robert West, CDA CFO
Mr. West is a minor stockholder and CFO of JeHN
Engineering. Mr. West joined the company in
1998 after serving over ten years with a large
international consulting engineering firm. Bob's
philosophy to the consulting engineering profession
is political and civic involvement is paramount
to your firm's success. To truly represent your
clients properly you must know what is going
on in the community. Mr. West is extremely active
in local community and county affairs. He is
Past President of North Jeffco Park and Recreation
District and Chairman Elect of the Jefferson
Economic Council, a public private partnership
to promote new primary jobs for Jefferson County.
William E. McCombie, P.E.
Vice President - Senior Project Manager
Bill McCombie is a Senior Project Manager with
over 10 years of experience at JeHN Engineering,
and over 25 years of experience in the industry.
His broad experience ranges from being a departmental
team leader to managing projects from conceptual
design to construction completion. He is experienced
in preparation of budgets, funding applications,
contract documents, and scheduling, as well
as the engineering and preparation of master
and service plans for large land development
projects and special districts. Mr. McCombie
is a registered professional engineer in Colorado.
Ken Toland, P.E. Northern
Colorado Manager
Ken Toland is a Senior Project Manager at JeHN
Engineering with recognized experience as a
team leader, managing projects from conceptual
design to construction completion. He is experienced
in preparation of budgets, contract documents
and scheduling, as well as the engineering for
large land development projects. He has been
practicing land development engineering for
over 10 years and has extensive experience in
subdivision planning including: master planning
of streets, water distribution, wastewater collection,
grading and drainage, and hydrological analysis
of major drainage facilities, including the
preparation of Letters of Map Revision (CLOMR/LOMR).
John A. Jehn, P.G. Storm
Water & Erosion Control Specialist
Mr. Jehn has over 20 years of experience in
the environmental sciences, remediation, construction
and related fields. This includes NPDES, RCRA
and CERCLA, Ground Water and Storm Water Management
programs on modest construction sites to full
scale water quality NPDES programs at the Rocky
Flats Plant. Mr. Jehn is a licensed Professional
Geologist, a member of the Jefferson County
Board of Health, and has numerous contacts and
relationships with local state and EPA agencies.
Working as a construction inspection consultant
for the Towns of Bennett and Frederick, Mr.
Jehn and staff regularly reviewed plans and
inspected residential, commercial, and municipal
projects for erosion controls, storm water management,
and water quality items for compliance with
the BMPs and regulations.
Matthew Brezonick Construction
Manager
Mr. Brezonick is the Manager of Construction
Services. He has over ten years of experience
in construction, project management, engineering,
and environmental services. Mr. Brezonick brings
construction expertise in earthwork, wet and
dry utilities, pavements, and erosion control.
His expertise includes cost estimating and value
engineering/life cycle analysis; critical chain
project management; design leadership and planning;
construction observation and management; cost
control and budget awareness; schedule control
and milestone awareness; change and risk management;
and preparation of construction documents including
specifications, construction contracts/agreements,
bid documents, and general construction contract
administration. Mr. Brezonick and his staff
bring teamwork and sound communication to construction
administration and agency construction management
functions to ensure project performance, cost,
and schedule are maintained.
Samuel A. Tinkler, P.L.S.
Survey Manager
Sam Tinkler has been the survey manager at JeHN
Engineering for over 13 years, with experience
in the field of land survey practice and management.
As department manager he is a recognized leader,
whose experience includes a multitude of public
and private projects. Mr. Tinkler is a registered
professional land surveyor in Colorado and California.
Mr. Tinkler and his staff bring all phases of
current surveying technology and practices in
meeting the public and private client's needs.
With his lengthy and diverse background in project
scheduling, management, estimating, budgeting,
and contract preparation, he and the survey
staff serve our clients in a timely and cost
effective manner.
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