Prof. Harvey is Professor of Civil and Environmental Engineering at UC Davis, where he teaches pavement engineering and construction management, Director of the UC Pavement Research Center (UCPRC), and founding Director of the City and County Pavement Improvement Center (CCPIC). He has worked in the pavement field for 35 years. He has been Principal Investigator for 20 years for projects for research, development and implementation for pavement materials, structural design, asset management, construction, cost, and environmental topics for Caltrans, Federal Highway Administration, Federal Aviation Administration, other state and national agencies, and industry. Before returning home to California for graduate school John worked five years in Texas consulting and as a contract public works official in Nigeria. His PE license is from California.

Erik works with the Executive Director at the CCPIC and is responsible for both technical and administrative support tasks. For the CP2 Center, Erik prepares training materials, performs training, and assists in research projects. Erik retired from the Los Angeles County Department of Public Works in 2018 after 36 years in the Road Maintenance, Design, and Construction Divisions. Erik was a voting member of the Greenbook Committee representing Los Angeles County from 2000 - 2018, and APWA Co-Chair from 2005 - 2019. In 2012, Erik received the outstanding leader, public sector, award from the Southern California Chapter of the American Public Works Association. Erik has spoken at numerous conferences, including the California Asphalt Pavement Association and the Western Regional Association for Pavement Preservation.

Nathan Forrest joined the CNCA in 2015 and serves as the Technical Director. Nathan’s function is to provide resources, recommendations, education, technical expertise, and other services to municipalities, engineers, project owners, developers, and contractors. His primary focus is on pavements for highways, streets & local roads, multi-modal facilities, and parking areas but no concrete application is outside of his area of experience. Prior to his work with the CNCA, Nathan worked as a consulting materials engineer on numerous large Caltrans projects in southern California, most recently on the Gerald Desmond Bridge replacement in Long Beach. Nathan graduated from The University of Arizona with a bachelor’s degree in Civil Engineering. Nathan is a licensed Civil Engineer in the state of California and maintains certifications from ISI, ACI, PCI, and others. When not working, he enjoys spending time with his wife and daughters, playing golf, and riding bicycles.

A licensed engineer in California and Nevada, Clay now serves as CNCA's Director of Engineering. Since joining CNCA in 2014, he has been providing technical expertise and education to municipalities, engineers, contractors, and developers to support the applications of cement in a variety of concrete pavement and geotechnical solutions. Clay is a well-recognized pavement designer who also provides engineering support for CNCA's geotechnical markets. He stands out in the region for his expertise in various pavement software, including AASHTO's Pavement-ME. His background includes a B.S. in Civil Engineering from the University of the Pacific and a Masters in Geotechnical Engineering from UC Berkeley. Clay is active in local societies, including ASCE, ACI, SNCA, and APWA.