Expert Details

Expert in Pavements, Asphalt, Concrete, Transportation Engineering, Highway Safety, Surface Defects, and Materials

Expert ID: 731997 California, USA

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Expert has extensive experience in pavement and transportation engineering. He has over 25 years of
experience. His expertise includes pavement design,asphalt pavements, concrete pavements, asphalt, concrete, materials, maintenance, preservation, rehabilitation and construction. He has strong expertise in construction specifications, construction materials, construction disputes, construction defects, construction quality control & quality assurance (QC/QA), pavement cracking, premature failures, concrete cracking, asphalt properties, failure analysis, forensic investigations, inspection, surface condition assessment, roadway surface defects in relation to vehicle, bicycle and motorcycle accidents, friction, skid resistance, potholes. road hazards, pavement edge-drop off, site development.

Expert has extensive public works experience including working at California Department of Transportation (Caltrans) and Federal Highway Administration (FHWA) and has provided professional and legal support to contractors.

He taught at Califonia State University and at National University and provided training to contractors and public agency personnel. He has participated on national and international expert groups. He is a member of the Forensic Expert Witness Association. He published many technical papers and chaired major conferences. Expert is currently working as a consultant and he is president of his engineering consulting firm.

Expert has extensive experience in traffic engineering and transportation engineering as well as in pavements. He has over 25 years of professional experience. He has strong expertise in highway design, traffic safety, standards, specifications, geometric design manuals, traffic manuals, Manual of Uniform Traffic Control Devices, MUTCD, control devices, traffic engineering plan, roadway surface defects, passenger vehicle accidents, bicycle accidents, motorcycle accidents, truck loading, truck configuration, friction, skid resistance, crash cushions, potholes. road hazards, recovery areas, sight obstruction, roadside hazards, speed requirements, highway curves and superelevation, highway drainage, maintenance, pavement design, materials, code violations, site inspection, guardrail, utility cuts, pavement defects, and pavement edge-drop off.

Expert has extensive public works experience including Caltrans and FHWA. He taught at Califronia State University and at National University and provided training to contractors and public agency personnel. He has participated on national and international expert groups and is a member of the Forensic Expert Witness Association. He published many technical papers and reports.

Expert provided pavement management services to the County of Sacramento. This work entailed pavement network evaluation of pavement distress, prioritization, strategy selection and budget allocation for various scenarios. Expert provided evaluation of premature concrete pavement distress, identified causes and assisted the contractor successfully in a dispute resolution process resulting in $5 million dollar savings to the contractor. Expert assisted an attorney as an expert witness on a major automobile accident case on a California urban freeway. Expert reviewed the accident site, evaluated opposing testimonies, review technical documents, reviewed safety manuals, plans and specifications. His efforts resulted in a substantial multimillion dollar settlement.He provided expert witness services on a variety of cases involving motorcycle accidents that related to highway safety and hazardous conditions. Expert provided evaluation of various innovative pavement technologies and assisted clients in their value propositions.

Expert may consult nationally and internationally, and is also local to the following cities: San Jose, California - San Francisco, California - Sacramento, California - Oakland, California - Stockton, California - Fremont, California - Modesto, California - Santa Rosa, California - Hayward, California - Reno, Nevada

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Year Degree Subject Institution
Year: 1990 Degree: Ph.D. Subject: Civil Engineering - Pavements and Transportation Engineering Institution: University of Arkansas
Year: 1985 Degree: M.S. Subject: Civil Engineering - Construction Engineering/Management Institution: San Jose State University
Year: 1982 Degree: B.S. Subject: Civil Engineering - Transportation, Structures, Water Resources, Geotechnical Institution: California State University, Sacramento

Work History

Years Employer Title Department Responsibilities
Years: 2010 to Present Employer: Undisclosed Title: President Department: Responsibilities: Expert manages the operations of the company and has provided expert witness services. He performs studies and investigations as well as conducts pavement evaluations, analysis and design services to contractors and public agencies.
Years: 1990 to 2010 Employer: California Department of Transportation - Caltrans Title: Transportation Engineer/State Pavement Engineer/Division Chief Department: Responsibilities: Expert garnered experience in pavement design, highway design, asphalt, concrete, materials, maintenance, preservation, rehabilitation and construction.
Years: 1993 to 1999 Employer: California State Unvirsity, Sacramento Title: Adjunct Professor Department: Civil Engineering Responsibilities: Expert taught transportation engineering design, traffic engineering, roadway design, traffic safety, geometric design, pavement design, materials (asphalt, concrete and soils).

Government Experience

Years Agency Role Description
Years: 1991 to 2010 Agency: California Department of Transportation - Caltrans Role: State Pavement Engineer-Division Chief Description: Expert was responsible and had leading roles in the development of specification, design standards, rehabilitation and maintenance of pavements and Construction QC/QA.
Years: 1989 to 1990 Agency: Federal Highway Administration-FHWA Role: Research Fellow Description: Expert conducted research on pavement performance and materials.

International Experience

Years Country / Region Summary
Years: 2010 to 2011 Country / Region: Japan Summary: Expert provided consulting services in Japan on pavement recycling alternatives.
Years: 2011 to 2011 Country / Region: China Summary: Expert provided consulting services on roadway stabilization technologies.
Years: to Present Country / Region: Dubai Summary: Expert provided consulting services on the construction of test sections for the Municipality of Dubai.

Career Accomplishments

Associations / Societies
Member of the Forensic Expert Witness Association; Chaired the American Society of Civil Engineer's Education Committee (Sacramento);
Chaired the International Conference on Pavement Preservation; Served on Several National Expert Task Groups; Served on the National Cooperative Research Program (NCHRP) Technical Panels; Chaired the California Rock Products Committee; Chaired the Pavement Preservation Task Group; Chaired the Construction QC/QA Committee
Licenses / Certifications
Expert is licensed Professional Engineer in California.
Professional Appointments
Appointed at the Career Executive Assignment (CEA III) Level at Caltrans.
Awards / Recognition
Leadership in Transportation and Quality Pavements Award (2010); Individual of the Year Award (2008) for outstanding contribution to pavement preservation activities in California; Director’s Superior Accomplishment Award (2006) for outstanding accomplishments in pavement preservation; Director’s Award in Innovation (2004) for outstanding contribution to pavement warranties; Excellence in Transportation Award (2003) from District 7 Director for outstanding contribution to the first long life rigid pavement project on I-10 near Pomona and the successful use of fast-setting hydraulic cement and dowel bar retrofit; Long Life Pavement Award of Excellence (1999) for outstanding contribution to the 710 long life pavement projects; Dwight Eisenhower Transportation Research Fellowship (1989-1990)
Publications and Patents Summary
Expert has 50 professional publications in journals and conference proceedings.
He has many technical reports covering forensic investigations, evaluations, design, specifications and manuals.

Additional Experience

Expert Witness Experience
Expert has provided expert testimony and legal support to many attorneys dealing with a variety of cases. Examples, construction claims, construction quality, contracts, safety, road hazards, friction, pavement surface irregularities and defects, potholes, highway design standards, traffic engineering, pavement design and rehabilitation, pavement maintenance,a asphalt, concrete, vehicle accidents, motorcycle accidents, bicycle accidents, trip and fall and ADA requirements.
Training / Seminars
Expert has taught undergraduate and graduate course in transportation engineering, traffic engineering, safety standards, highway design standards.and pavement design and materials. Additionally, expert has presented at numerous seminars and conferences. He has conducted many workshops and training related to construction quality and design standards.
Marketing Experience
Expert has been active in industry groups and provide consulting services to contractors, public agencies and private entities.
Other Relevant Experience
Expert has strong theoretical background as well as extensive practical experience. He has worked in government public agencies and in private industry.

Language Skills

Language Proficiency
Engilish He is very fluent in the English language.
Arabic He is very fluent in the Arabic language.

Fields of Expertise

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