Mr. Rafat Raie is a transportation engineer, educator, and technology innovator with more than three decades of experience in traffic engineering, transportation planning, intelligent transportation systems, and multimodal mobility. As Principal of Advanced Mobility Group, he provides strategic planning, engineering, and technology services to public agencies throughout California, helping communities improve safety, mobility, and operational efficiency across all transportation modes.
A distinguished instructor with the University of California, Berkeley Institute of Transportation Studies TechTransfer Program since 2001, Mr. Raie has taught a broad range of professional development courses covering transportation planning, traffic signal design and operations, multimodal transportation systems, bicycle and pedestrian safety, transit operations, parking management, traffic engineering applications, and emerging transportation technologies. His teaching combines technical theory with practical, real-world implementation experience gained through decades of public-sector leadership and consulting practice.
Throughout his career, Mr. Raie has served in key municipal leadership positions, including City Traffic Engineer roles in several California communities, where he directed transportation planning, traffic operations, signal systems, parking programs, safety initiatives, and capital improvement projects. He has been at the forefront of deploying innovative transportation technologies, including leading the implementation of the first cloud-based emergency vehicle preemption system deployed in the United States and advancing Smart City applications that improve transportation system performance and public safety.
Widely recognized for his expertise in transportation technology and digital mobility, Mr. Raie currently leads major initiatives involving connected transportation systems, multimodal data integration, transportation analytics, communications infrastructure, transit priority strategies, parking technologies, and advanced traffic management systems. He is also directing the development of the Contra Costa Transportation Authority's Digital MOTIONS Master Plan, helping establish a framework for the future integration of digital infrastructure, data-driven transportation management, and emerging mobility solutions.
Mr. Raie's unique combination of technical expertise, leadership experience, and instructional excellence provides students and transportation professionals with practical insights into the planning, design, operation, and management of modern multimodal transportation systems.

Justin Calkins currently serves as ITS Project Manager for DC Electric Group Inc. with more than 20 years of experience across a wide range of roles in the ITS industry. His career has included hands-on work as a traffic signal technician, product sales and technical support, construction estimating, project management and ITS system integration and operations. This broad background has given him a well-rounded understanding of the challenges and practical needs involved in designing, installing, and maintaining traffic signal, roadway lighting, and ITS systems. He holds an IMSA Level III Field Technician certification and has experience working with a variety of vendors, consultants, public agencies and contractors throughout Northern California to support the delivery of practical solutions, often helping to bridge the gaps between technical design, operational needs and physical construction. Throughout his career, he's found satisfaction in mentoring others-whether that's training customers on new systems, supporting field crews, or simply sharing lessons learned from his past experience. He values collaboration and is passionate about supporting public agencies in understanding and applying ITS technologies.