M.J. Nachreiner, PEKevin SnookAlex Roth, PEAndrew Pullmann, PE, LEED AP BD+CTyler Lerdahl, PEJohn PlutaDerik Knock, LEED AP BD+CKonrad BroerMolly Macklin, AIA

M.J. Nachreiner, PE

M.J. Nachreiner, PE, has more than seven years of diverse experience as a structural engineer providing design for building renovations, additions, and new construction. M.J. received a Bachelor of Science degree in Civil Engineering in 2014 from Oklahoma State University. He is a graduate of the 2020/2021 Schemmer Business Development Academy class and will soon…
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Kevin Snook

Kevin has 25 years of experience in transportation engineering and surveying. Kevin has spent a large portion of his career designing and managing transportation projects, while continuing to implement, train and support civil engineering design software. His experience includes state, county, municipal and federal projects. Kevin is also a Federal Aviation Administration Certified remote pilot…
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Alex Roth, PE

Alex has eight years of experience specializing in hydraulic analysis and roadway design. He is responsible for the hydraulic analysis of all types of projects with complex drainage or floodplain permitting, including all bridge modeling, culvert analysis, open channel flow and complex floodplain certifications for Schemmer. In addition to hydraulic analysis, Alex regulary works on…
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Andrew Pullmann, PE, LEED AP BD+C

Andrew has nine years of experience as a mechanical engineer with specialized experience in educational facilities, natatoriums, commercial, multi-family housing, retail and museums. His experience includes pre-construction services, HVAC and energy studies, schematic design, design development, construction documents, construction administration and close out activities. Andrew received a Bachelor of Science degree from Kansas State University…
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Tyler Lerdahl, PE

Tyler has eight years of civil engineering experience providing services for municipalities, cities, state departments of transportation, as well as private clients. In addition to his design experience on numerous roadway and ADA curb ramp projects, Tyler’s experience includes the setup of the Miovision video data collection equipment, monitoring the equipment and collection of data…
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John Pluta

John has 19 years of experience and serves as Schemmer’s Information Technology Manager. He is responsible for managing the Company’s information technology and computer systems, ensuring security of data, network access and backup systems, along with addressing user needs and system functionality. John received a Bachelor of Science degree from DeVry University in Telecommunications Management.…
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Derik Knock, LEED AP BD+C

Derik has 19 years of experience as a Civil Design Technician that assists with the design of a wide range of projects by performing a variety of tasks including grading, site layout, roadway profiles, cross sections, pipelines, utility systems and storm sewer systems. Derik received a Bachelor of Science degree in Technology from Black Hills…
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Konrad Broer

Konrad has 29 years of experience in construction and leads Schemmer’s Construction Administration Department. He is experienced in the review and coordination of engineering, architecture, structural and civil plans, with associated specifications, to produce comprehensive project manuals. Konrad has served as a construction administrator for a wide range of projects in the education, healthcare, multifamily…
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Molly Macklin, AIA

An exceptional listener and team player with a unique vision for educational design, Molly's passion is designing environments for learning. Her focused dedication and attention to detail assures her projects exceed client expectations. Molly received a Bachelor of Architecture degree from the University of Minnesota and a Master of Architecture degree from the University of…
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