J.S. Held expands forensic accounting practice with the acquisition of HSNO. View press release.


Robert I. Leighton, CIH CSP

Senior Vice President

516-621-2900 (Work)
917-841-1262 (Mobile)
50 Jericho Quadrangle, #117
Jericho, NY 11753

Download vCard


Robert Leighton has over 40 years of professional experience in industrial hygiene and environmental health and safety management and consultation. Bob has trained, supervised and managed a diversified staff of industrial hygiene, environmental and safety professionals as the founder and technical director of Leighton Associates, Inc., an environmental health and safety consulting firm specializing in construction projects, indoor air quality, and the investigation, assessment and remediation of environmental health and safety matters in real estate, property management, and property insurance claims, as well as environmental health interventions.  Bob’s expertise includes an in-depth knowledge and understanding of industrial hygiene, indoor air quality, OSHA compliance, mold, lead and combustion by-products contamination and remediation.