The Team

  • Simon Ruddlesden Director

    Simon Ruddlesden BSc (Hons). MSc. DIC. CGeol. FGS. EurGeol.


    A Chartered Geologist and European Geologist, Simon graduated from the University of Liverpool in Geology and Physical Geography, before working for a large site investigation contractor. He went on to obtain MSc Engineering Geology from Imperial College, London, and then worked for a small multi-disciplinary engineering consultancy in Exeter, where he successfully built and ran a geotechnical department.

    In 2004, he formed Ruddlesden geotechnical, where his knowledge of the geology in the South West together with his awareness of appropriate engineering solutions and communication skills has enabled the company to grow into a well-respected geotechnical and environmental site investigation consultancy.

    Simon is a Qualified Person for the CL:AIRE Definition of Waste: Development Industry Code of Practice (DoW CoP) and is also a trained mentor and scrutineer for the Geological Society of London's Chartered Geologist scheme.

  • Tim New Senior Engineering Geologist

    Tim New BSc (Hons). MSc. CGeol. FGS.

    Senior Engineering Geologist

    Tim, a BSc and MSc graduate from Southampton University, is a Chartered Geologist and was Ruddlesden’s first engineering geologist, during the company’s formative years, following which Tim left to go travelling around Europe, before working for another geotechnical consultancy in Exeter.

    After this, Tim worked for several years with an international multi-disciplinary consultancy in New Zealand, primarily undertaking geotechnical investigations and assessments for the repair and rebuild of commercial and residential properties following the 2010/ 2011 Canterbury earthquake sequence. Having been seconded to New Zealand’s largest insurer, Tim has considerable experience of the insurance industry and expert witness cases.

    Tim has returned to the UK to work with Ruddlesden and brings with him a wealth of ground investigation and geotechnical expertise. He is responsible for project management, client liaison and signing off reports.

  • Charles Rafipay Senior Geo-Environmental Engineer

    Charles Rafipay MESci. FGS.

    Senior Geo-Environmental Engineer

    An environmental geoscience graduate from Cardiff University, Charles worked in Swindon and Birmingham before returning to his home county of Devon. Charles carries out many aspects of geotechnical investigations and contamination assessments, but specialises in Phase 1 contamination assessments, contamination laboratory testing analysis, gas monitoring and ground gas assessments, and validation/ verification testing. Charles has developed particular expertise in site-specific human health contamination risk assessments and controlled waters (P20) risk assessments.

  • Andrew Cole Senior Engineering Geologist

    Andrew Cole BSc (Hons). MSc. FGS.

    Senior Engineering Geologist

    An MSc graduate in Applied Environmental Geology from Cardiff University, Andrew worked for a similar-sized company to Ruddlesden geotechnical in South East England, where his work included geotechnical investigations for basements in London. Andrew then went to work for a geotechnical consultancy in New Zealand, before joining Ruddlesden geotechnical, where he is involved in all aspects of geotechnical investigations and contamination assessments from desk studies to walkover surveys, trial pitting, logging and supervision of boreholes, conceptual models, foundation appraisals, risk assessments and interpretative reports. Andrew has particular expertise in the geotechnics of foundations, basements and retaining walls.

  • Tony Borrell Senior Engineering Geologist

    Tony Borrell BEng (Hons). FGS.

    Senior Engineering Geologist

    A first class honours graduate in engineering geology and geotechnics from Portsmouth University, Tony worked for an international off-shore and on-shore geotechnical investigation company and a regional piling contractor before joining Ruddlesden geotechnical. Tony is involved in all aspects of site investigation and contamination assessments including desk studies, walkover surveys, trial pitting, logging and supervision of boreholes, conceptual site models, foundation appraisals and risk assessments. Landslides and slope stability formed the subject of his degree dissertation. In recent years, Tony has developed a particular interest and expertise in mining and the geology of the South West.

  • Catherine Greed Engineering Geologist

    Catherine Greed MSci. FGS.

    Engineering Geologist

    A first class masters graduate in geology from the University of Bristol, Catherine previously carried out work experience with Ruddlesden geotechnical. Primarily site-based, Catherine carries out much of the gas monitoring, in-situ soakaway testing in accordance with BRE 365 and Phase 1 Contamination Assessments. Catherine has developed strong working relationships with both clients and contractors.

  • Josh Watts Assistant Engineering Geologist

    Josh Watts BSc(Hons). MSc. FGS.

    Assistant Engineering Geologist

    After graduating with a BSc (Hons) in Applied Geology from Camborne School of Mines, University of Exeter, Josh went on to complete an MSc in Geotechnical Engineering at the University of Birmingham, where his thesis covered the use of recycled material in vibro-stone columns.

    Josh provides support to other engineering geologists, carrying out desk studies, walkover surveys, trial pitting, logging and supervision of boreholes and soakaway testing.

  • Geoff Davis Engineering Geologist

    Geoff Davis BSc (Hons). MSc. CEng. MIMMM. MICE. CGeol. FGS.

    Engineering Geologist

    Assisting Ruddlesden geotechnical on a freelance basis at times of high workload and on sites requiring particular slope stability expertise, Geoff is a Chartered Geologist and Chartered Engineer with 30 years of experience in the investigation and interpretation of geology and ground conditions, and in the management of geotechnical and multi-disciplinary projects.

    He has worked on a wide range of engineering schemes, from small housing developments to large civil engineering projects, and at all stages, from initial feasibility studies and investigations through to design and construction.

    A large part of Geoff’s experience has involved the risk assessment and management of landslides and other geological hazards, notably on the UK coast. Geoff has particular expertise on the landslides of Lyme Regis and the West Dorset coast, and indeed has authored several publications on the subject.

  • David W Allen Freelance Engineering Geologist

    David W Allen MSc. BSc (Sp. Hons). CGeol. FGS.

    Freelance Engineering Geologist

    Working for Ruddlesden geotechnical on a part-time basis, David is a Chartered Geologist with more than 40 years' experience in engineering geology, geotechnical engineering and geoenvironmental projects.

    The majority of David's early career was based in the Midlands, where he acquired a specialist expertise in the research, investigation and remediation of land affected by past industrial mineral workings and mine entries.

    In recent years, David's work has included the investigation, remedial stabilisation works and management strategy for instability problems affecting earthworks and infrastructure on the mainline railway west of Exeter.

    David is now an integral part of Ruddlesden geotechnical’s accredited Company Training Scheme, being the Training Officer (the link between the company and the Geological Society of London), as well as a mentor to some of the more junior engineering geologists.

  • Sarah Ruddlesden Accounts

    Sarah Ruddlesden


    An essential part of the company since its formation in 2004, Sarah has arguably the most responsible position in in the company: making sure suppliers are paid correctly and on time and ensuring that clients pay us on time, as well as being responsible for staff payroll.

  • Hester Crothers BSc (Hons). MSc. Technical Assistant

    Hester Crothers BSc (Hons). MSc.

    Technical Assistant

    Hester graduated with a BSc (Hons) in Physical Geography, before obtaining an MSc in Quaternary Science.

    Hester currently provides technical assistance to all the engineering geologists, both in the office, where she processes site data and produces technical drawings, and on site, where she carries out monitoring, sampling and general assistance. Her attention to detail makes her the perfect person for the role!

  • Cheryl Ettery Office Manager

    Cheryl Ettery

    Office Manager

    Cheryl is responsible for overseeing the smooth day-to-day running of the office. More than just our front of house and voice of the company, Cheryl manages the company calendar and makes sure we are up-to-date with insurances and training etc., as well as liaising with suppliers and clients.

  • AGS
  • Constructionline
  • CSCS
  • SMAS
  • ECFC trust