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

William DeryPE, SE

Senior Vice President, Chief Technical Engineer

Bill Dery has over 30 years of experience in structural engineering design and forensic investigations of residential, commercial, and transportation structures. Mr. Dery has provided workshops to engineering groups, building officials, and university students. Mr. Dery has developed in-house proprietary software for the analysis and design of wind loads, water & wave loads, seismic loads, snow loads, vehicle loads, and the analysis of deck and balcony railings (guards).

Education & Certification

B.S., Civil Engineering with Structural Emphasis, University of South Florida

Professional Engineer (PE) – Civil/Structural, State of AL, AR, CO, CT, DE, FL, IA, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, NH, NJ, NY, OH, PA, RI, SD, TN, TX, VA, WI, WY
Professional Engineer (PE) – Civil, State of GA, IL, NE, UT
Structural Engineer (SE), State of OK
Professional Engineer (PE) – Structural, State of VT

Expert Witness Services

Damages, Design Defect

Forensics Technical, Structural

Standard of Care, Structural Engineering