Meet the OS Connect team

Our team of specialists are on hand for your account support; if you're not sure who looks after your account, contact us below

OS Connect Account Managers

Our Ordnance Survey Account Managers have specialist knowledge of projects for utilities and telecoms and should be your first point of contact for queries. The OS Connect team can help to find the right solution to any challenges you face, no matter how complex. Our multi-disciplined teams are sector-driven, dedicated to critical market segments: Water, Energy and Telecoms.

If you don't know the phone number or email address of the account manager you would like to contact, please fill in our enquiries form below.

Chris Tagg

Head of OS Connect

Chris has over 20 years’ experience in the geospatial industry, specialising in customer-focused location data services for utilities and telecoms sectors. He leads a team to maximise the value of geospatial data through collaboration and secure data-sharing capabilities. Chris previously worked in the financial sector in London, designing and implementing business-critical trading systems and workflows, gaining experience in business process design and automation.
    Tony Mabey

    Head of Sales

    Tony is an operations management professional with over 30 years’ experience in formulating and deploying supply chain, operational, and delivery strategies. With a track record for the design and implementation of structured programmes of change, Tony has owned the enhancement of core technology and production capabilities. Tony is accountable for the management and delivery of key investment and revenue generating workstreams within OS, achieving success through robust internal and external capability.


      For those in the water asset management business, our specialists will be able to help you with your questions or queries.

      Carsten Rönsdorf

      Strategic Propositions Manager

      Carsten Rönsdorf is a Strategic Propositions Manager in the Propositions and Markets team, overseeing the development of secure data-sharing propositions such as the National Underground Asset Register (NUAR) Pilot and the National Energy Systems Map Proof of Concept. His focus is value creation from geospatial data and technologies in the utilities sector. As an expert in geospatial data standards and interoperability, Carsten leads the standardisation of the ‘Model for Underground Data Definition and Integration’ (MUDDI) at the Open Geospatial Consortium.
        Chris Wilton

        Strategic Account Manager

        Chris leads OS Connect’s Water sector, with experience in senior commercial and operational positions. Chris’ dedication to OS customers helps enable them to make better, smarter decisions by unlocking the insights that data provides. He is passionate about the power of location data and is keen to discuss how OS could help your business.
          Eleanor Clement

          Technical Relationship Consultant

          Eleanor is a Technical Relationship Consultant with a focus on providing technical support and consultancy to customers within the Water sector. Since joining Ordnance Survey in 2019, Eleanor has worked in various roles across the organisation, and has gained valuable experience working with both international and domestic customers.


            For any technical consultancy and support for energy businesses, get in touch with our dedicated team who are on hand to help you.

            Rachael Walsh

            Strategic Account Manager

            Rachael is a Strategic Account Manager for the Energy sector with over 15 years’ experience managing Highway Authority and Utility accounts. Her background is in transport planning and highway engineering with expertise in traffic management and streetworks. Rachael gained extensive experience in a scaling technology business as the National Account Director, leading commercial projects and achieving market saturation of an award-winning SaaS platform.
              Richard Egerton

              Senior Technical Relationship Consultant

              Richard has over 8 years' experience within the geospatial industry. He provides technical consultancy and support, bespoke solutions, product insight, and geospatial expertise to a wide range of customers (primarily within the Big Tech and Energy sectors). Richard has also been involved with several nationally significant electricity infrastructure projects, such as onshore windfarms and new major connections.


                For those in the telecoms business, our specialist support team are here to guide you and provide solutions to your problems.

                Tom Stabb

                Strategic Account Manager

                Tom started his career in telecoms 8 years’ ago and has gained valuable experience working across different verticals. From investment recovery, directly for a UK Internet Service Provider (ISP), and then a telecoms engineering business with a focus on supporting ISP and AltNets maximise efficiency of their fibre rollouts through survey and design services, using OS location data. Tom is Strategic Account Manager for OS Connect’s Telco sector, he is passionate about the impact of current and future technologies and how OS location data can be used strategically by customers to achieve wider business objectives.
                  James Millard

                  Product Manager

                  James entered the telecommunications industry working for the network operator EE, before running his own technology and media start-up. He earned his Master's degree in Strategic Entrepreneurship from the Rotterdam School of Management. He is now a Product Manager in OS’ Propositions and Markets team, working with Telecoms customers to better understand their businesses and how future OS products can help meet their strategic objectives.
                    Clive Melleney

                    Senior Technical Relationship Consultant

                    Clive has over 30 years’ experience in all aspects of geospatial data. He has worked with major public and private companies on such issues as contract implementation, API migration, and process improvement. He has worked extensively with the Telecoms industry embedding and realising the value of gazetteers and geospatial data to challenges such as broadband roll-out.

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