Years of Experience: 41
Education: Bachelor of Science | Civil Engineering | University of Oklahoma | 1986
Sam G. Pappas, PE, serves as President and Aviation Lead at MacArthur Associated Consultants, where he oversees the firm’s strategic vision, operations, and financial performance. He has led the company since June 2001, following 10 years of service as a Project Engineer and Project Manager.
Sam brings more than 41 years of engineering experience with a primary focus on aviation, highways, bridges, and military infrastructure projects. Throughout his career, he has successfully managed and delivered complex engineering solutions, providing cost-effective and value-driven results under demanding schedules. His expertise includes airfield paving, roadway infrastructure, transportation improvements, and large-scale civil engineering projects throughout Oklahoma and beyond.
Sam is passionate about mentoring and empowering people to reach their God-given potential while building strong teams, serving clients with excellence, and strengthening both the community and the nation. He is committed to engineering excellence, innovation, responsiveness, and customer satisfaction, and strives to make a positive impact both in the industry and the community by mentoring younger professionals, serving on the worship team at his church, and helping others in all that he does.
He is a licensed Professional Engineer in Oklahoma, Texas, and Arkansas.

President | Aviation Lead

Years of Experience: 19
Education:
Master of Science | Civil Engineering | University of Sheffield | 2008
Bachelor of Science | Civil Engineering | University of Sheffield | 2007
Russell Kent, PE, CFM, LEED AP, DBIA, serves as Vice President and Site & Military Lead at MacArthur Associated Consultants. Russell specializes in project management, civil site design, hydraulic design, military standards, and ADA-compliant infrastructure.
He has extensive experience leading multidisciplinary and Design-Build projects for public and private clients, including major military and federal infrastructure projects throughout Oklahoma and the surrounding region. His experience includes work at Vance Air Force Base, Tinker Air Force Base, and Sheppard Air Force Base, where he has overseen civil engineering coordination, utility infrastructure improvements, site development, and construction support services. Russell is known for his collaborative leadership style and ability to coordinate effectively with architects, contractors, agencies, and project stakeholders throughout all phases of project delivery.

Vice President | Site, Military Lead

Years of Experience: 22
Education: Bachelor of Science | Civil Engineering | Oklahoma State University | 2004
John Stovall, PE, serves as Vice President and Transportation Lead at MacArthur Associated Consultants and brings more than 22 years of experience in transportation infrastructure and project delivery.
John leads the firm’s transportation practice and provides leadership for roadway, highway, and infrastructure projects throughout Oklahoma. His expertise includes highway and roadway design, interchange improvements, traffic engineering, drainage and hydraulics, utility coordination, grading, water systems, and sewer infrastructure. Throughout his career, he has contributed to numerous transportation projects involving corridor improvements, roadway widening, bridge coordination, and Oklahoma Turnpike Authority ACCESS Program projects. His technical knowledge and collaborative project management approach help ensure successful project delivery from planning through construction.

Vice President | Transportation Lead

Years of Experience: 45
Education:
University of Central Oklahoma | 1992
Rose State College | 1989
University of Oklahoma | 1985
Oklahoma State University | 1983
Oklahoma State University Technical Institute | 1980
Keith Angier, PE, serves as Principal at MacArthur Associated Consultants and brings 45 years of experience in transportation infrastructure, project management, and civil engineering design.
Keith specializes in transportation design, roadway drainage systems, and open-channel hydraulic analysis, with expertise in project management, business development, and client relations. Known for his collaborative and problem-solving approach, he works closely with clients, project teams, and stakeholders to deliver practical and efficient infrastructure solutions that support long-term community and transportation needs.

Principal

Years of Experience: 30
Education: Engineering & Survey Technology | University of Central Oklahoma / OSU-OKC | 2014
David Woody II, PLS, serves as Principal and Survey Group Lead at MacArthur Associated Consultants and brings more than 30 years of surveying experience supporting residential, commercial, municipal, and infrastructure projects throughout Oklahoma.
David leads MacArthur’s survey operations, overseeing field crews, project coordination, scheduling, and quality control while supporting engineers and project teams with accurate and reliable survey data. His experience includes ALTA/NSPS surveys, design surveys, construction surveys, and transportation infrastructure support for municipal and state agency projects. David’s practical field experience and attention to detail help ensure successful coordination between survey and engineering teams throughout every phase of project delivery.

Principal | Survey Group Lead

Years of Experience: 27
Education:
Master of Science | Civil Engineering | University of Oklahoma | 2005
Bachelor of Science | Civil Engineering | University of Oklahoma | 1997
Jen Teck Kao, PE, SE, serves as Principal and Structural Design Lead at MacArthur Associated Consultants and brings more than 27 years of structural and bridge engineering experience.
Jen leads the firm’s structural and bridge design group and oversees technical delivery, quality control, and staff mentorship for bridge and structural engineering projects. His experience includes major transportation infrastructure projects involving bridges, interchanges, roadway structures, and Oklahoma Turnpike Authority ACCESS Oklahoma projects. With a strong background in structural analysis and bridge design, Jen has contributed to numerous transportation improvements throughout Oklahoma and is recognized for his technical expertise and leadership in complex infrastructure projects.

Principal | Structural Design Lead

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