Jason Stack, TE, PTOE
President & Founder
Jason has decades of experience in traffic engineering, specializing in ITS projects across Southern California. He combines a strong understanding of engineering fundamentals with expertise in operations to provide innovative solutions to public agencies. Jason is a go-to expert for integrating traffic signal systems and preemption operations with at-grade rail crossings.
Duncan Hughes, PE
Principal Manager
Duncan brings 35+ years of experience in traffic systems, including 16 years as a Senior Traffic Engineer and 5 years as Deputy Director of Transportation for the City of San Diego. He specializes in advanced traffic solutions, including traffic signal communication systems, adaptive traffic control technologies, and innovative traffic operations strategies.
Rob Blough, PE, TE
Principal Manager
Rob is a seasoned traffic engineer with 30+ years of experience, including 25 years as City Traffic Engineer for the City of Encinitas and 5 years for the City of Menifee. Rob is known for his hands-on approach, problem-solving skills, and ability to collaborate with agencies, officials, and the public.
David DiPierro, TE
Principal Manager
David has 30+ years of experience managing traffic engineering, signal operations, and transportation planning projects. Leveraging his experience as the City Traffic Engineer for the City of Oceanside, he offers innovative solutions in mobility, circulation, and multimodal planning.
Christian Lambarth, PE, TE, PTOE
Principal Manager
Christian focuses on traffic operation analysis, traffic signal design, traffic control, streetlighting, and signal interconnect as STC’s engineering design lead. He oversees a variety of projects ranging from small-scale designs to large-scale corridor improvements for regional transportation agencies.
Phil Kern, PE
Principal Manager
Phil has over 35+ years of experience in the planning, design, permitting, and construction support of a wide range of public works, transportation, infrastructure, and capital improvement projects. As STC’s civil design lead, he focuses on the design and delivery of capital projects through on-call municipal contracts.
Ashley Adamos, EIT
Project Engineer
Ashley is STC’s resident grant guru with over 10+ years of experience in transportation planning and traffic engineering. She is a proven expert at aligning municipal goals with grant funding opportunities.
Balaji Shivaji, TE
Project Engineer
Balaji specializes in traffic studies, analysis studies, mobility studies, and PS&E for traffic engineering, transportation planning, and active transportation projects. He combines thoughtful conceptual planning with practical, feasible design.
Brandon Schlueter, PE
Project Manager
Brandon is a traffic and systems engineer with over a decade of experience specializing in Concept of Operations (ConOps), functional requirements, performance analysis, and design documentation. He supports complex traffic engineering projects for both local and regional agencies.
Joseph Walters, IMSA III
Project Engineer
Joseph specializes in designing and implementing traffic engineering and streetlighting projects, with expertise in traffic equipment, lighting standards, communications networks, signal timing, and ITS systems.
Brett Hansen, IMSA I
Construction Manager
Brett leads STC’s systems and operations group. Specializing in electrical and communications systems, he contributes to the development of technical specifications, cost estimating for bid packages, on-site integration, and construction oversight.
Adam Lemberg, IMSA III
Systems Engineer/Tech Specialist
Adam has 25+ years of experience installing, troubleshooting, and maintaining traffic signals and communication networks. A regional expert in traffic signal and ITS systems, he is highly regarded for his ability to solve complex ITS challenges.
Philip Wragg, AICP
Project Manager
Phil has 10+ years of experience managing transportation planning projects. An expert in Traffic Impact Analysis (TIA), Vehicle Miles Traveled (VMT), and travel behavior analysis, he has worked across the UK, Middle East, and North America.
Myles Baidy, TE
Project Engineer
Myles has nearly a decade of experience in traffic impact studies, intersection modeling, traffic signal design, communications systems design, and system master planning. Myles brings a fresh perspective to local transportation challenges.
Alain Hungerford, IMSA III
Systems Engineer/Tech Specialist
Alain has 10+ years of experience providing support for ATMS/ITS deployments throughout Southern California. He specializes in traffic signal operations and signal systems, with expertise in traffic management centers. Alain is known for troubleshooting and resolving issues on quick turn-arounds.
Gianluca Pesaresi, EIT
Project Engineer
Gianluca has a decade of experience creating well-designed plans that adhere to local and state standards. He specializes in providing expert assistance to local municipalities, with a focus on improving traffic flow and safety.
Steve Johnson
Construction Engineer
Steve has over two decades of experience in the traffic signal and streetlighting industry, specializing in the specification, procurement, and installation of electrical equipment. Before joining STC, he spent 16 years as a foreman/traffic signal field technician overseeing the installation of hundreds of signals and streetlights across Southern California.
Kevin Stone, IMSA II
Construction Engineer
Kevin is a construction engineer/inspector with 30+ years of experience in traffic signal and electrical system installation, maintenance, and troubleshooting. Before joining STC, he served as a general foreman overseeing hundreds of traffic signals.