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


Need an expert for your case?

Our forensics experts work alongside AEC specialists which enhances our skills and bolsters the credibility of our expert consultants.

Find an Expert


VERTEX delivers innovative solutions on complex projects globally.

Since 1995, VERTEX has completed over 90,000 projects.

View Portfolio


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

Call Us

Call us at 888.298.5162.

Mark Stein

Vice President, Surety

Mark Stein has worked as a construction professional for over twenty-five years with senior and executive project management experience including large-scale hospitality & resort, telecommunications infrastructure, institutional, residential and heavy highway projects in the U.S., Caribbean, and South America. At VERTEX, Mr. Stein is a forensic surety consultant and construction project management expert. Mr. Stein has conducted over one thousand investigations for property and casualty insurance claims, surety bond claims, and construction claims for insurance carriers, attorneys, building owners, developers, and adjusters.

Mr. Stein has been selected numerous times as an appraiser for residential and commercial property claims and as an expert for construction defect matters where his depositions, responses to interrogatories, affidavits, and work product have been used in mediation, litigation, and arbitration with successful results. His areas of expertise include construction project management, telecommunications infrastructure, building envelope constructions and cladding materials, roofing, fenestrations, non‐structural waterproofing, hard surface flooring, wood flooring, millwork, paint & coating applications, EIFS & stucco, and other construction-related systems.

Education & Certification

DBA, Project Management, Walden University
M.S., Project Management (Construction), Walden University
B.S., Construction Engineering Technology, Central Connecticut State University

Areas of Service

Surety Claims Consulting

Expert Witness Services

Standard of Care, Architect / Building Envelope