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Unlike others, VERTEX provides forensic consulting alongside traditional AEC services which allows for a 360 degree view of your project.

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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.

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US: 888.298.5162

Global: +1.781.952.6000

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New York

John Gerlach NYPG

DIRECTOR OF ENVIRONMENTAL SCIENCES, Environmental

Mr. Gerlach, Director of Environmental Sciences, is a New York State-licensed Professional Geologist and Certified Wetland Delineator, with 35 years of environmental consulting experience, including over 26 years with LKB. Mr. Gerlach oversees environmental science and hydrogeologic projects performed by LKB’s Environmental Services Department, as well as assists LKB’s other engineering departments with the environmental aspects of their civil, electrical and infrastructure improvement projects. He is an expert in the field of environmental assessment, monitoring and remediation, and is experienced in collection, analysis, and assessment of environmental data in accordance with local, state, and federal requirements. He is also adept in specialized data gathering/interpretation techniques such as EQuIS, computer modeling of air-quality and noise impacts, geophysical surveying, laboratory testing, and analysis of environmental data.

Education & Certification

Certified Wetland Delineator (Rutgers)
OSHA 10-Hour Construction Safety
OSHA Supervisor
29 CFR 1910.120 – HAZWOPER
29 CFR 1910.146 – Confined Space
EQuIS Power User
Professional Ethics/Data Integrity Training

Expert Witness Services