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Bill Marshall, who founded the Practice, remains closely involved with its work. The partners can also call on the experience of Robin Blois-Brooke, Richard Barter, Alex Fleming and Matthew Davis, all former partners, and Nick Buenfeld, an authority on concrete durability based at Imperial College, London. Brief details of the qualifications and experience of the consultants can be seen by clicking on the relevant links below.

Leading authorities and specialists are frequently retained to provide deeper insights into specific problems. The firm has close contacts with researchers in key areas at Universities and other specialist organisations.

  • Matthew Davis

    Matthew Davis



    University of Manchester, BSc (Hons) Civil Engineering, 1981
    Kings College, London, MSc Construction Law and Arbitration, 1998
    Chartered Engineer, 1985

    Fellow, Institution of Civil Engineers
    Member, Institution of Structural Engineers
    Fellow, Geological Society

    Matthew’s experience encompasses large civil engineering projects such as bridges, retaining structures and structures associated with water treatment and sewage works as well as smaller scale commercial and residential developments. He has a keen interest in the forensic investigation of building failures and defects and has advised on a wide range of matters covering design, materials and workmanship problems.

    Matthew has prepared Expert opinions for use in legal or arbitration proceedings and reports or presentations for use in adjudications and mediations. In addition to a continuing interest in heavy civil engineering works, Matthew has also developed an expertise in building technology and particularly matters relating to serviceability, weathertightness and tolerances.

  • Richard Barter

    Richard Barter



    King's College London, BSc(Eng), 1977
    Chartered Engineer, 1982
    Chartered Arbitrator, 1999

    Member, Institution of Civil Engineers
    Fellow, Chartered Institute of Arbitrators

    Richard Barter has worked on a wide range of structural and civil engineering projects in the United Kingdom and overseas. His interests and experience include contract administration, airfield and blast resistant construction, the external envelopes of buildings (including roofs, glazing, curtain walling and masonry) and reinforced concrete. He has handled many complex disputes.

  • Alex Fleming



    University of Cambridge, Diploma in Architecture, 1978
    University of Cambridge, MA (Hons), 1979
    Chartered Architect, 1980

    President, RIBA Central London Branch, 2006-2007
    Member, Chartered Institute of Arbitrators
    Member, Architects Law Forum

    Alex Fleming has some 40 years experience of designing and detailing many different building types and specifying their construction, including responsibilities for directing large and small teams of architects and technicians. He has overseen the establishment of studios abroad and in the United Kingdom, negotiated permissions and approvals, and administered contracts ranging from domestic alterations to major town centre redevelopments. Alongside his keen interest in design and construction, he has been instructed as an independent Expert to assist with complex disputes resolved in mediations, arbitrations, and English, Scottish, European and Middle Eastern Courts.

  • Robin Blois-Brooke



    University of Oxford, Engineering Science, Open Scholar, MA, 1973
    Chartered Engineer, 1977
    Chartered Arbitrator, 1999

    Fellow, Institution of Civil Engineers
    Fellow, Chartered Institute of Arbitrators
    Member, Chartered Institute of Arbitrators' Panel of Arbitrators

    Robin Blois-Brooke has over forty years’ experience in the construction industry in the United Kingdom and abroad on projects ranging from commercial and residential developments to large infrastructure schemes, with particular emphasis on geotechnics, ground treatment, foundations and structures, together with roofing, glazing, curtain walling and cladding.

    Robin has acted as an Expert in a wide range of disputes, dealing with issues that have included design and workmanship defects, professional negligence, delay and disruption claims. He has given evidence and has been subjected to cross examination on several occasions in the Technology & Construction Court, in the Court of Session, and at Arbitrations.

    Robin has been appointed as the sole Arbitrator in over twenty disputes involving various aspects of building and civil engineering, almost all of which have led to published Awards. He has also acted as a party-appointed Arbitrator and as the Chairman of the Tribunal in DIAC arbitrations.

    Robin has written and contributed to Reports on soils, fenestration and cladding published by the Building Research Establishment, CWCT and CIRIA.

  • Nick Buenfeld



    MSc, Imperial College, 1981
    DIC, Imperial College, 1981
    PhD, University of London, 1984
    CEng, Engineering Council UK, 1984

    Honorary Fellow, ICT, 2015
    Fellow, Royal Academy of Engineering, 2011
    Fellow, Institution of Civil Engineers
    Fellow, Institution of Structural Engineers

    Nick Buenfeld is Professor of Concrete Structures at Imperial College London (since 2000) and was Head of the Department of Civil and Environmental Engineering from 2011 to 2021.

    His expertise concerns the durability and long-term performance of concrete and concrete structures and his research is aimed at better understanding deterioration processes, developing methods for assessing durability and monitoring deterioration, improving concrete specifications and repair methods, and predicting the service life of concrete structures.

    Nick has acted as an expert witness in disputes involving concrete and has provided guidance to governments and to the designers and constructors of a wide range of major infrastructure projects. He has a particular interest in service life prediction and has been a consultant on major tunnel, bridge, offshore platform, maritime and building projects in the United Kingdom, United States, Hong Kong, Norway, Dubai, Saudi Arabia, Lebanon, Sri Lanka and Libya.

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