Roux

Our History

From a single groundwater practice to a national environmental firm

From modest beginnings as a small, single-office groundwater contamination investigation practice, Paul Roux set a goal: to build a larger consulting firm providing a much broader array of services and covering a wider geography.

  1. The Founding Decade

    1980s

    Founded by Paul Roux in 1981

    A groundwater contamination investigation practice, built on a simple hiring bar.

    The founding hiring standard, still in use today: smart, hardworking, talented, and nice.

    Paul Roux’s standard for the firm, set in 1981
    • 1981First project at the Industri-Plex Superfund Site in Massachusetts
    • 1982Superfund work expands across the U.S.
    • late-80sLitigation support team established
  2. Broadening the Practice

    1990s

    Remediation at scale, and greener

    Oil terminals, refineries, insurance support, and the brownfields practice that would become a signature.

    • 1990Oil terminal and refinery remediation projects
    • 1992Brownfields remediation work begins
    • 1996Patent received for Constructed Treatment Wetland design
  3. National Reach

    2000s

    A broader array of services, a wider geography

    Landmark assignments at home and abroad, from Barclays Center in Brooklyn to in situ remediation overseas.

    • 2003Barclays Center waste characterization, Pacific Park, Brooklyn, New York
    • 2004In situ groundwater remediation at a former manufacturing facility in Taiwan
    • 2005In situ stabilization and capping of wastewater lagoons in Illinois
  4. Coast to Coast

    2010s

    West Coast expansion

    Roux goes truly national, opening California offices and serving clients coast to coast.

    • 2011Roux California launches with three principals; Long Beach, Burbank, and Oakland offices established
    • 2013Tronox v. Anadarko: expert cost evaluation yields a $5.1 billion award, the largest environmental bankruptcy award to date
    • 2016Economic & Complex Analytics (ECA) team formalized
  5. The Current Chapter

    2020s

    New leadership, new practices

    A leadership transition, an ESG practice, a merger, and two newly formalized service lines.

    • 2020Sin Senh, with the firm since 1999, becomes President and CEO
    • 2021Environmental, Social & Governance practice launches
    • 2023Merger with Benchmark TurnKey
    • 2024Ecological risk assessment and sediment management formalized
    • 2026Roux celebrates 45 years
  6. Looking Forward

    Ahead

    The next chapter

    Roux remains committed to operating independently while growing and developing its next generation of leaders through collaborative, complex client work.

    • Growing Economic & Complex Analytics alongside litigation: PFAS, mass torts, and beyond
    • Scaling the sediment and ecological risk practices formalized in 2024
    • Developing the next generation of leaders while staying independent and employee-owned

Be part of the next chapter

Work with the team that has been solving complex environmental challenges since 1981.