NELSON is a leading FORENSICS and CONSULTING group specializing in Forensic Engineering & Forensic Architecture, Fire Investigation, Chemistry & Environmental Science, Cost Estimating & Appraisal, and Roofing Materials Testing. Our mission is to reduce risk and prevent failure by combining ethical standards with advanced technologies in an effort to discover cause of failure and to educate our clients and peers on our findings.

NELSON’s professional team of experts is available for on-site investigations; expert witness; litigation and subrogation resource and support; and consulting services.

In The Spotlight: Technical Director David D. Cannon, AIA, NCARB
Focus on Expertise
D. Cannon, AIA, NCARB
Technical Director
David D. Cannon, AIA, NCARB, is a forensic architect with over 30 years of experience in design, planning, contract administration, document review, and project performance administration. David specializes in design defect, building envelope issues and code issues as they relate to the professional’s standard of care. David received his B.S. and M.Arch. from the University of Oklahoma.