SSP&A staff deliver effective solutions for evaluating and addressing groundwater, water resource, and environmental remediation issues.

Our personnel include specialists in hydrology and hydrogeology, geology, geochemistry, engineering and remediation, geophysics, environmental science, project management, modeling, software development, data management and analysis, and geographical information systems who participate in high-visibility water resource and environmental engineering projects throughout the United States and abroad.

Qualifications and experience of individual SSP&A personnel are available below:

  • Saul Allen

    Senior Information Manager

  • Charles Andrews, PhD, PG

    Principal Hydrologist

  • Gilbert Barth, PhD

    Principal Hydrologist/Hydrogeologist

  • Vivek Bedekar, PhD, PE

    Associate Engineer

  • Kinsley Binard

    Environmental Engineer

  • Dominic Capparuccini

    Hydrogeologist

  • Harvey Cohen, PhD, PG

    Principal Hydrogeologist

  • James Cousins

    GIS Specialist

  • Mark de Wit

    Senior Geologist

  • Mikal de Wit

    Environmental Scientist

  • Thomas Delfino

    Senior Principal Data Analyst

  • Erica DiFilippo, PhD

    Associate Geochemist

  • John Doherty, PhD

    Associated Expert: Senior Reviewer

  • Shelly Griffin

    Project Environmental Scientist

  • Bryan Grigsby, PG

    Senior Associate Hydrogeologist

  • Douglas Hayes

    Senior Software Developer

  • Annette Hein

    Senior Modeler

  • Remy Hennet, PhD, PG, CPG

    Principal Geochemist and Hydrogeologist

  • Beth Hoagland, PhD

    Geochemist

  • William Huber, PhD, PSTAT

    Associated Expert: Groundwater Hydrology Statistician

  • Elizabeth Jones, PE

    Associate Civil Engineer and Project Manager

  • Marinko Karanovic

    Senior Hydrogeologist

  • Zdravka Karanovic

    Hydrogeologist

  • Tate Knight

    Environmental Scientist

  • Kathleen Mihm, PG

    Associate Geologist

  • Steven Larson, PH

    Senior Principal Hydrologist

  • Christopher Muffels

    Senior Hydrogeologist

  • Christopher Neville, PEng

    Vice President and Chief Hydrogeologist

  • Jessica Ni, PMP

    Senior Project Manager

  • Matthew O’Connell

    Environmental Scientist and Hydrogeologist

  • Philip Odenkirk, PG

    Senior Geologist

  • Michael Ou, PhD

    Senior Hydrogeologist

  • Stavros Papadopulos, PhD, PE

    Founder and Senior Principal Hydrologist

  • Toomas Parratt, PhD

    Associated Expert: Hydrogeologist

  • Kristen Pekoske

    Staff Scientist, Technical Editor

  • Benjamin Petersen, PG

    Environmental Geophysicist

  • Michael Rafferty, PE

    Principal Civil Engineer

  • Matthew Rogers, PE

    Senior Engineer

  • Jessica Rogers, PhD

    Senior Hydrogeologist

  • Lucy Sandoe

    Staff Scientist

  • Leland Scantlebury

    Hydrogeologist and Environmental Engineer

  • Rachel Shannon, PG

    Senior Hydrogeologist

  • Onnik Sivaslian, PE

    Civil Engineer, Health and Safety Officer

  • Kristen Slawter, PhD

    Geochemist

  • Keir Soderberg, PhD

    Senior Associate Geochemist

  • Michelle Solomon, EIT

    Environmental Engineer

  • Alexandros Spiliotopoulos, PhD

    Senior Associate Hydrogeologist

  • Matthew Tonkin, PhD

    President and Principal Hydrogeologist

  • Jack Wang

    Senior Hydrogeologist

  • Xiaomin Wang, PhD, PEng

    Hydrogeologist

  • Jinhui Zhang

    Hydrogeologist