Dr. Erdem Coleri

PROFESSOR, INFRASTRUCTURE SYSTEMS CONSULTANT & EXPERT WITNESS

Independent consulting and expert witness support for transportation infrastructure, pavement engineering, materials, performance evaluation, sustainability, and forensic engineering

Decorative image

Infrastructure Expertise, Technical Insight, and Independent Judgment

Dr. Erdem Coleri provides infrastructure systems consulting and expert witness services grounded in academic rigor, applied engineering judgment, and practical experience with public agencies, industry partners, contractors, and engineering firms.

His work spans pavement structures, asphalt and concrete materials, waterproofing and insulation systems, infrastructure performance, sustainability, forensic evaluation, technical reporting, and support for testimony.

Decorative image
Professional portrait of Dr. Erdem Coleri, infrastructure systems consultant and expert witness.

Practice Areas

Infrastructure Consulting

Aerial view of a highway bridge crossing a river valley at sunset
Aerial view of a highway bridge crossing a river valley at sunset
Bridge icon representing transportation infrastructure
Bridge icon representing transportation infrastructure

Technical advisory and consulting services related to transportation infrastructure systems, pavement engineering, infrastructure materials, construction evaluation, sustainability, life-cycle assessment (LCA), life-cycle cost analysis (LCCA), infrastructure performance, and asset durability.

Infrastructure Materials & Performance

Asphalt and pavement material samples in a laboratory testing setting
Asphalt and pavement material samples in a laboratory testing setting

Expertise in asphalt and concrete materials, pavement structures, waterproofing and insulation systems, service life assessment, QA/QC systems, laboratory and field testing, infrastructure durability, statistical analysis, life cycle assessment (LCA), life-cycle cost analysis (LCCA), and long-term infrastructure performance evaluation.

Decorative image

Expert Witness Services

Engineering case review with documents, construction plans, damage photos, and legal books
Engineering case review with documents, construction plans, damage photos, and legal books
Layers icon representing infrastructure materials
Layers icon representing infrastructure materials

Forensic engineering evaluation, technical review, construction-related disputes, infrastructure failures, patent-related technical evaluation, document review, expert reporting, deposition support, technical affidavits, and litigation support involving transportation infrastructure systems, construction materials, waterproofing systems, and infrastructure performance.

Scale icon representing engineering expert witness services
Scale icon representing engineering expert witness services

Specialized Expertise

Bar chart icon representing statistical analysis
Bar chart icon representing statistical analysis
Cube icon representing numerical and finite element modeling
Cube icon representing numerical and finite element modeling

Statistical Analysis & Performance Assessment

Decorative image

Numerical/ Finite Element Modeling

Leaf icon representing life-cycle assessment and sustainability
Leaf icon representing life-cycle assessment and sustainability

Life-Cycle Assessment (LCA)

Dollar sign icon representing life-cycle cost analysis
Dollar sign icon representing life-cycle cost analysis
Microscope icon representing laboratory and field testing
Microscope icon representing laboratory and field testing

Life-Cycle Cost Analysis(LCCA)

Laboratory & Field Testing

Decorative image
Magnifying glass icon representing forensic investigation and failure analysis
Magnifying glass icon representing forensic investigation and failure analysis
Clipboard, magnifying glass, and lab flask icon representing QA/QC systems, testing, and training development
Clipboard, magnifying glass, and lab flask icon representing QA/QC systems, testing, and training development
Decorative image

QA/QC Test System Development

Factory icon representing asphalt and concrete plant efficiency
Factory icon representing asphalt and concrete plant efficiency

Forensic Investigation and Failure Analysis

Graduation cap icon representing professor experience

Asphalt & Concrete Plant Efficiency

Full Professor Oregon State University

Microscope icon representing laboratory leadership
Decorative image

Director of Asphalt Materials & Pavements (AMaP) Laboratory

Bar chart icon representing research portfolio and technology development funding

$8M+ Research & Technology Development Portfolio

Decorative image
Globe icon representing international reviews and technical evaluations

International Research, Review & Technical Evaluations

Group icon representing collaboration

Collaboration with Public Agencies & Industry

Decorative image
Decorative image
Decorative image