Seth W. Chalmers, PE, is an enthusiastic voice for safety, traffic, and civil engineering. He currently is the Director of Traffic Engineer at Dibble's Phoenix, Arizona office, and has over 41 years of diverse transportation and traffic engineering experience. He is an active member of the American Traffic Safety Services Association (ATSSA) and currently serves as the Chairperson of the Traffic Signal Committee. Seth is also a member of ITE, ASCE, and ASTM. Seth is chair of the University of Arizona College of Engineering Civil Architectural Engineering and Mechanics Alumni & Industrial Council (AIC). Seth recently authored a children’s book entitled The Civil Engineering Alphabet. Seth is also an Eagle Scout.

Dr. Alyssa Ryan is a tenure-track Assistant Professor in the Department of Civil & Architectural Engineering & Mechanics at the University of Arizona and Assistant Director of the Center for Applied Transportation Sciences within the College of Engineering. Her research group focuses on leveraging advanced technologies, human factors, and data analytics to address the safety, economic, and equity challenges faced by transportation agencies. She conducts research on human factors, equity, safety, and applications of advanced technologies and has seen several projects through from conceptualization to publication, completing every step from the employment of equipment (e.g., drones, driving simulators) to data analytics of real-world datasets.