Philip Chang

PhD Principal Environmental Engineer

Philip offers extensive experience in heavy civil construction projects. He managed permit compliance monitoring and reporting for the Los Angeles Metro Red Line construction, which included developing large-scale continuous water quality data compilation and interpretation programs. Philip also managed several controversial EIR documents, notably for the Los Angeles County Department of Public Works projects in San Gabriel Canyon. Additional experience includes developing a proposal and providing revisions and updates to the EAs for Amgen, Inc., as well as analysis for dozens of EIR/EIS involving projects of all sizes. He has a BS from California Institute of Technology and a PhD in Environmental Engineering from University of Southern California.

Meet the Team

  • Tamara Kroner

    Owner & President

  • Kurt Kroner

    Project Manager

  • Michael Wolff

    Principal Environmental Geologist

  • Philip Jo

    Principal Environmental Engineer

  • Brett Curry

    Environmental Manager

  • Albert Rogers

    Foreman/Senior Site Manager

  • Joey Heraldez

    Chemical Engineering

  • Tom Vernor

    Environmental Site Supervisor

  • Douglas Glenn

    Environmental Technician

  • Alex Grant

    Environmental Scientist

  • Gabriel Illingworth

    Environmental Manager

  • Muriel Nacar

    Environmental Engineer

  • Michael Lucey

    Environmental Technician

  • Monica Avina

    Office Manager/Administrative

  • Dennis Mehaffey

    Noise Monitoring Technician, CAD Technician