Environmental Standards, Inc. is lead by an executive team of highly experienced professionals who are responsible for the strategic and operational leadership and management of the company.

Rock J. Vitale, CEAC – Technical Director of Chemistry/Principal
David R. Blye, CEAC – Principal Chemist
Gerald L. Kirkpatrick, P.G. – Principal Geoscientist
Daniel P. Claycomb, P.G. – Principal Geoscientist
Kevin P. Renninger, P.E. – Director of Business Development/Principal
Stephen D. Brower, P.G. – Director of Geosciences/Principal
David I. Thal, CEAC – Principal Chemist
Michael R. Green, Ph.D., MBA, CPEA – Senior Advisor/Principal

Valley Forge, PA
610.935.5577
Charlottesville, VA
434.293.4039
Knoxville, TN
865.376.7590
Santa Fe, NM
505.660.8521
Chicago, IL
630.262.3979
Charleston, SC
843.469.5867
Cherry Hill, NJ
304.552.1442

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