Engineering &
Construction Services, Inc.


The ZAP team is comprised of talented, innovative individuals that have years of experience in the industry. With their talents and education combined, the ZAP leadership team is top tier in engineering and construction services.

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Steve Tzap P.E.


Steve has over 40 years of industry experience and started ZAP in 2001 when he identified a need for process expertise in the gas processing and related energy industries. Steve received his BS in Chemical Engineering from Drexel University and his MBA in Finance from the University of Houston.

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Frank Lousberg P.E.


Frank joined the ZAP team in 2008. His leadership skills and broad expertise make him an asset to the ZAP leadership team, bringing 20 years of industry experience. Frank received his BS in Chemical Engineering and Petroleum Refining at the Colorado School of Mines.

Steve Wymore

Steve Wymore PMP

Vice President of Construction

Steve has over 15 years of experience of project/construction management experience on industrial projects. Steve has specific experience with program management, construction quality assurance/quality control, and turnaround scheduling. Steve received his BS degree from Oregon State University.

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Rick Jacobs

Vice President of Projects

Rick joined the ZAP team in 2013 and has over 22 years of experience in operations and engineering management. Rick has specific experience with engineering management, project development, project engineering, and operations management. Rick received his BS in Chemical Engineering from Michigan Technological University.

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Chris Combs

Vice President of Gulf Coast Engineering

Chris joins ZAP after establishing himself as a trusted engineering service provider within the Midstream Oil & Gas industry. Chris has significant experience with the transportation, metering, and storage of NGL, LPG, LNG and other liquid petroleum products. From his time as a Project Manager, leading engineering and Engineer-Procure-Construct projects, to leading a multi-disciplined engineering team, Chris has the background, experience, and leadership skills to lead our Gulf Coast engineering team, which is based in Houston Texas.

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Shane Wilson

Vice President of Business Development

Shane joined the ZAP team in 2017 and has 18 years of engineering and management experience, leading projects, teams, departments, and facilities. Shane received his BS in Mechanical Engineering from the University of Alabama.

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Josh Lucero

Mechanical Design Director

Josh joined the ZAP team in 2011 and has over 17 years of experience in piping, equipment, material handling, and civil/structural design. Josh received his degree of Applied Science of Mechanical Design from Westwood College of Technology.

Eric Walker P.E.

Mechanical Engineering Director

Eric joined the ZAP team in 2012. Eric has experience as a mechanical and project engineer in upstream and midstream projects, facility design, and project execution. Eric holds BS degrees from the University of Wyoming in Energy Systems Engineering, Marketing, and Business Administration.

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Jackson Emnott P.E.

Civil/Structural Engineering Director

Jackson joined the ZAP team in 2011 and has over 15 years of experience in structural engineering, structural design, and construction in Heavy Industry and Oil & Gas. Jackson received his BS in Civil Engineering from Michigan Technological University.

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Paul Chihoski P.E.

Electrical Engineering Director

Paul has over 26 years of experience in Electrical engineering and Engineering Management for Heavy Industrial and Midstream Oil and Gas. Paul has a particular expertise in the design and controls for Conveyors, Mining and Port Handling Equipment. Paul received his BS in Electrical Engineering from Colorado State University.

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Mason Bieker P.E.

Process Engineering Director

Mason joined the ZAP team in 2017 and has over 10 years of process and project engineering experience in upstream, midstream, and downstream sectors. Mason received his BS in Chemical Engineering from Iowa State University.

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Keivan Pirasteh P.E.

Instrumentation & Controls Engineering Director

Keivan joined the ZAP team in 2017 and has over 17 years of experience in Controls & Automation engineering and Engineering Management serving a variety of clients in Oil and Gas and Heavy Industry. Keivan studied Mechanical Engineering at University of Maryland at College Park and holds a BS degree from Colorado State University in Industrial Technology Management.

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Ryan Smith P.E.

Project Engineering Director

Ryan joined the ZAP team in 2013 as a process engineer, transitioned into a project management role in 2017, and moved into the role of Project Engineering Director in 2022. Ryan has over ten years of engineering and construction experience within the oil and gas and heavy industrial sectors. Ryan obtained his BS in Chemical Engineering from the University of Colorado-Boulder in 2011.

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Sara Esch

Director of Operations

Sara joined the ZAP team in 2012 and has experience completing project controls and management duties for both engineering and construction projects. Sara has worked as construction and engineering support on oil and gas, power generation, commercial, and residential projects. Sara is responsible for Hr, Payroll, Accounting, and Project Controls at ZAP. Sara received her BS in Construction Management from Texas A&M University.

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James Keller

Upstream Program Manager

James has over 18 years of experience in positions with responsibility for project management, project engineering, and facilities management in both civil and aerospace engineering. James received his BS in Civil Engineering from Kansas State University, and his MS in Aerospace Engineering from Massachusetts Institute of Technology.

Meet the Team. (720) 529-4430

Call or send us your scope and we’ll assemble the team of experts who will help you successfully execute your project.

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