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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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