Department of Transportation Expert Witnesses in Arizona

This qualified expert of Transportation and Bus Operations has over 32 years of experience in the Bus Industry. He is a certified bus driver instructor by the State of California and the USDOT Transportation Security Institute, and is trained in the fundamentals of bus collision investigation by the United States Department of Transportation. He is currently the safety manager of charter motorcoach operator in San Diego, CA, a position he has held since 2000. He has been serving as an expert witness and consultant in litigation since 2012 and has testified in deposition and at trial numerous time.

This expert has over 20 years in the transportation demand management field. He is a nationally recognized, award-winning transportation planning executive and leader with experience in transportation planning, parking/transportation demand management and transit planning/operations. He also has a background including planning, data analysis, management, operations, and government relations. The last 15 years he has been working for leading research universities overseeing efforts to improve and grow use of active transportation modes.

This expert has over 27 years of professional engineering experience encompassing public agencies (Federal Highway Administration (FHWA), the California Department of Transportation (Caltrans), academia (California State University, National University) and industry with over 200 technical publications. He taught at California State University and at National University various in topics such as transportation and highway engineering, including geometric design standards, traffic engineering and safety hazards as well as statistics. He started his work at Caltrans in 1991 as a transportation engineer before transitioning to a senior transportation engineer (Branch Chief), then being promoted to a supervising transportation engineer (Office Chief), then to a Division Chief. He received his Ph.D. in civil engineering (Transportation/Pavement Engineering) from the University of Arkansas, and received his M.S. in civil engineering (Construction Engineering and Management) from San Jose State University, and B.S. degree in Civil Engineering from California State University, Sacramento.

This expert has hove 40 years of experience in the field of trucking. He studied automotive technology a the College of the Canyons, and served as an apprentice automotive mechanic at Volkswagen, Porsche, and Audi. He has continued to participate in in ongoing trainings offered in his field. He has previously served as a heavy equipment mechanic for the California Division of Highways, and as a Motor Carrier Specialist for the California Highway Patrol. He currently serves as the Vice President of a Motor Vehicle Safety Consultancy in California.

This highly-qualified expert has over 20 years of experience in electrical and electronics engineering, rail transit systems design, construction, project management, light rail vehicle, and field wayside maintenance areas. He earned his BS in electrical and electronics engineering from California State University at Sacramento and his MBA in strategic leadership from Amberton University. He is licensed as a registered professional engineer in California. He formerly served as a technologist for Bechtel Power Corporation, a stop and zones technician and acting administrator for Orange County Transportation Authority, a project engineer for DCM Industries and Balfour Beatty Rail Systems. He also served as the associate systems design engineer for the Santa Clara Valley Transportation Authority, working with the Bay Area Rapid Transit (BART) team on the Silicon Valley Rapid Transit (SVRT) BART Extension Project. Currently, this expert is a senior systems engineer of rail operations for a local transportation authority in California.

This accident reconstruction expert earned a masters degree in kinesiology from California State University Northridge and a PhD in Biomedical Engineering from UCLA. He is a certified traffic reconstructionist and specializes in accident reconstruction and biomechanics for transportation related accidents (trains, subways, motor vehicles, buses, etc). He belongs to numerous prestigious societies in his field, including the National Association of Traffic Accident Reconstructions, National Association of Railroad Safety Consultants and Investigators and the International Society of Biomechanics. He is currently the President of an Accident Reconstruction & Biomechanics firm.

This expert has experience as a Rail Transit operator and operations supervisor. He worked as a Field Supervisor, Rail Controller, Yard Controller, and Instructor, which included training and responding to rail related accidents as an investigator. He assisted in creating a Rail Standard Operating Procedure (SOP) and Rail Operating Rule Book for Metro Blue, Green and Red Line commuter trains.