Gerald Skalla

Partner / Shareholder, Managing Director, Dr Sauer & Partners

Surbiton, United Kingdom


As UK managing director and senior partner of the new formed Dr Sauer & Partners Ltd (DSP) in London I have intimate knowledge about UK tunnelling design and construction projects. Our office is located south west of London
10 minutes of Surbiton Station. Prior to 2007 I was in Boston and Seattle providing site supervision services for the client. In Seattle DSC had a significant role in (design and supervision) the largest soft ground structures ever built using NATM (SEM) in the USA. Since 2011 we operate as DSP and have now over 25 staff in London providing design services and site supervision services to a variety of clients such as contractors
agencies and larger consultancies.


Professional experience for Gerald Skalla

  • Current 10 years, since Jul 2011

    Managing Director

    Dr Sauer & Partners

    MD, keeping a lid on the troubles Projects: LU: TCRSUP, BSSU, Crossrail: C305 and C121 Chasing after: HS2, Thames Tideway, NG

  • Current 14 years, since Jul 2007

    Managing Director

    Dr G Sauer Company Ltd

    Heading the ofice of the Dr. Sauer Company in London as Managing Director, combining the roles of the senior SCL/NATM design engineer, project manager and project director in one person. Projects delivered so far: Tottenham Court Road Station Stage G Design; Bond Street Station Stage D+ design; VSU CAT 3 Check of stage D design; Green Park Station Design-Build 100% design

  • 1 year and 6 months, Jan 2006 - Jun 2007

    Senior SEM/NATM Engineer


    Being part and later heading the site supervision team for the SEM/NATM works at the Beacon Hill Station Tunnels in Seattle, WA. A complex underground Station as part of Sound Transit's Light Rail Service along the Puget Sound connecting Downtown Seattle to SeaTac airport in the south. Adverse ground conditions made construction of the - among others - largest NATM tunneles in the USA a challanging and sometimes nerve-wrecking effort, which in the end was boldy mastered by Obayashi and BEMO.

  • 3 years, Nov 2002 - Oct 2005

    NATM engineer

    Dr. G. Sauer Corporation, (DSC)

    Shift engineer and later Head of the Site Supervision team for the Russia Wharf Tunnels of Phase II of Boston's MBTA Silver Line project. The first ever combination of NATM tunnelling massive underpinning and Ground Freezing in the USA. Later Senior design engineer for the Silver Line Phase III project in the URS/DMJM-Harris JV in the cosy office at Boylston Street with a view on the Boston Common.

Educational background for Gerald Skalla

  • Civil Engineering


    Rock mechanics and Tunneling


  • English


  • German

    First language


To be well connected in the industry to find new ideas new friends and partners and allies to make NATM/SCL/SEM a more common tunneling technique in the English speaking world.


Personal intrests: My love goes to my wife and my two daughters with who I try to spend every free minute of my time commuting between London and Kaernten. Together we are skiing
traveling and sharing precious time with our friends and family.

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