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

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

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Call us at 888.298.5162.


Senior Forensic Architect, Forensics

Theodore (Ted) Isbell serves as a Senior Forensic Architect for the Forensic division of VERTEX. Ted provides a wide array of consulting services including forensic analysis and expert witness services for construction defect, subrogation, professional liability and premise liability litigation; risk analysis of building envelope and waterproofing design for new construction; building envelope investigation and consulting for property owners and managers; property condition assessment (PCA) evaluations of exterior envelope and curtain wall systems; professional liability claim assessments; and forensic analysis for property loss claims. Prior to joining Vertex, Ted served as a Principal Architect / Project Manager directing the planning, design, technical detailing, and construction coordination on a variety of project types including institutional, religious, education, corporate, and mixed-use.

Mr. Isbell’s area of expertise includes building envelope investigations and failure analysis. He has worked on projects throughout the country involving the investigation of water infiltration issues relating to various exterior wall and roofing types, windows, window walls, curtain walls, doors, expansion joints, sealant joints, balconies, and plaza decks. Project types include commercial, institutional, multi-family & single-family residential as well as mixed-use projects. Mr. Isbell also has experience assessing below-grade foundation waterproofing design and installation.

Education & Certification

M.L.S., Master of Legal Studies Candidate, Sturm College of Law, University of Denver
M.Arch., Master of Architecture, Tulane University School of Architecture
B.Arch., Bachelor of Architecture, Tulane University School of Architecture

Registered Architect, State of AL, CO, FL, GA, ID, MD, NC, SC, UT, VA, WV
LEED Accredited Professional (LEED AP)
National Council of Architectural Registration Boards (NCARB) Certificate
Haag Certified Roof Inspector – Residential
Haag Certified Roof Inspector – Commercial
Haag Certified Roof Inspector – Wind


American Institute of Architects (AIA)
American Society of Testing Materials (ASTM)
Building Owners and Managers Association (BOMA)
EIFS Industry Manufacturers Association (EIMA)
National Council of Architectural Registration Boards (NCARB)
US Green Building Council (USGBC)

Areas of Service

Forensic Architecture

Expert Witness Services

Forensics Technical, Architecture / Building Envelope

Standard of Care, Architect / Building Envelope