VERTEX uses cookies to make our website work properly and to provide the most relevant content and services to our clients and site visitors.



VERTEX has Experts that Talk the Talk and Walk the Walk.

Unlike others, VERTEX provides forensic consulting alongside traditional AEC services which allows for a 360 degree view of your project.

VERTEX Services


VERTEX believes in a Lifetime of Learning philosophy.

Stay current with our industry experts as they share their insights and knowledge on the built environment.

View Insights

Grow Your Career

Join Our Team

VERTEX is looking for talented individuals to join a highly technical team of forensic consultants, design engineers, construction managers, and environmental scientists.

Learn More

Contact Us

Have a question or want to speak with a technical professional?

VERTEX is a multi-discipline firm with global coverage. Our international network of resources enables us to provide multi-national clients with the most qualified local professionals who understand the culture, language, and regulatory framework.

Call Us: 888.298.5162

Request Expert's CV

US: 888.298.5162

Global: +1.781.952.6000



C. Doug Day PE

Division Manager, Forensic Engineer

C. Doug Day has over 14 years of experience in engineering and claims management with a strong background in Civil Engineering and Land Development. Mr. Day currently serves as a Division Manager based out of VERTEX’s Atlanta office and provides structural damage assessments, cause and origin investigations, repair and design recommendations, and estimates for residential and commercial applications. He has experience in assessing damage, design, and repair pertaining to structural members, roof systems, foundations, and civil forensic services.

Mr. Day has experience in project management in the development of commercial properties, residential subdivisions, and roadway and utility designs. His responsibilities included design, construction administration and coordination, contract document preparation, and submittal/closeout preparation and submission. He also has provided comprehensive civil land development services on a multitude of projects including grading, drainage, roadway design, utilities design, in addition to erosion control, due diligence, jurisdictional coordination, entitlements, construction observation and project management.

Education & Certification

Civil Engineering, Georgia Institute of Technology

Areas of Service

Forensic Engineering

Expert Witness Services

Forensics Technical, Architecture / Building Envelope

Forensics Technical, Civil