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Senior Staff
Directors
John Freeman, PE, CME, CPWM
Executive Vice President & Director - Public Sector / Capital Projects
Vajira Gunawardana, PE, PP, CFM, Fellow-ASCE
Director - Environmental & Water Resources
Brad Thompson, PE
Director - Land Development
Robert Schwarzkopf, CHMM, LSRP
Director - Site Remediation
Thomas Mendola, PE, PLS
Director - Surveying
Peter Ciliberto, PE
Assistant Director - Land Development
Ohannes Najarian, MBA
Director - Marketing & Business Development
Poshu Huang, PE
Director - Information Technology
Senior Staff
Georgia Marino
Senior Environmental Scientist - Environmental Assessments & Permitting
Joseph DiLorenzo, Ph.D.
Senior Scientist - Hydrodynamic Modeling & Consulting
Howard Litwack
Senior Environmental Scientist - Water Quality Modeling & Permit Support
Jeffrey Marsden, PE, PP, CME
Senior Project Manager - Municipal Engineering
Chen-Kuo Wei, PE
Chief Engineer - Bridges & Structures
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