Construction & Architecture — United States

More than 40 years of comprehensive motorsports and special event experience; encompassing all areas of facility design, operation and management.

Consulting Arborist, 40+ yr experiences providing plant appraisals, tree damage/ risk assessments, tree forensics, tree health/ risk assessments, consultations on timber trespass, and serves as an expert witness in arboriculture, servicing western USA.

Board-certified and chartered safety & health executive and consultant, holding designations in the United States (CSP), Canada (CRSP), and the United Kingdom (CMIOSH).

I am a Certified Industrial Hygienist (CIH) with over twenty-five years of experience in mold, thermal comfort and heat stress, industrial hygiene, and indoor air quality exposure assessments. I offer a no-cost initial file review!

Mechanical Engineering and Materials Engineering, Metallurgy, Failure Analysis, Forensic Engineering, Manufacturing, Design, Warnings - Marketing Defect, Oil & Gas, Stress, Root Cause, Safety Hierarchy Application, Inspection, Golf Cart/ATVs

Architect, industrial designer provides expert testimony in: architecture, design, engineering, standard of care for professional practice; construction claims; land use, zoning; commercial buildings, prototype stores, hotels, residential building types

Engineering Expert in Legionella and other waterborne pathogen issues related to building water systems including; litigation support, outbreak response, remediation, compliance, implementation & management of water management plans.

35+years industry experience in Geology; Industrial Hygiene (including asbestos, mold, lead, vapor, noise, radiation & other hazards); Environmental Due Diligence; Hazardous Materials Management; Regulatory Compliance Review & Auditing; Litigation

Roger W. Griffith, P.E., provides forensic investigations and expert witness services for cases involving HVAC and plumbing system failures and disputes, specializing in CO exposures, hot-water scalding, and fuel gas explosions and fires.

Expert on plastic pipe failure investigations including legal retention on polybutylene for water, polyethylene for natural gas, HDPE for water, CPVC fire suppression systems, Aldyl natural gas pipe, joining of plastic piping systems, and related topics.