Dr Andy Baker – Managing Director
Andy is founder and Managing Director of Eden NE. He is a geologist and geochemist by training, and is a Fellow of the Geological Society (FGS).
Andy’s expertise is in radioactive waste disposal and radioactive waste management where he has a track record lasting more than thirty years. He specialises in technical co-ordination and management, and advising on and reviewing technical programmes to support radioactive waste disposal.
For a number of years he was Manager of the Environment Agency’s Nuclear Waste Assessment Team, which was responsible for the technical review of proposals for radioactive waste management and disposal in England and Wales. He therefore has a wide appreciation of regulatory issues.
In the past, he has managed large technical research and assessment projects and programmes undertaken in support of deep geological disposal in the UK and has extensive experience of working on overseas disposal facilities, including in Sweden, Norway, Hungary, Russia, Bulgaria, Australia and Canada. He has been a member of a number of technical peer review panels and advisory committees.
Andy currently provides extensive technical management support for the development of the Low Level Waste Repository’s Environmental Safety Case. He has recently undertaken several projects on the Near-surface Disposal of Higher Activity Wastes on behalf of a number of UK clients; these projects involved the technical co-ordination of large multi-disciplinary teams. Throughout his career, he has managed, undertaken and participated in many optimisation studies based on BAT and Value Framework methodologies, including options studies focused on repository design.
Shelly Mobbs – Director
Shelly is a Director at Eden NE. She is a Fellow of the Society for Radiological Protection (FSRP), a certificated Radioactive Waste Adviser (RWA) and a Chartered Radiation Protection Professional (CRadP).
Shelly has over 40 years of experience of radiation protection and radioactive waste management, including over 30 years at NRPB/HPA (now PHE). She brings a wealth of experience on the radiological impact of disposal of radioactive waste and on radiological assessments of radioactively contaminated land. She uses this experience to assess the safety of waste disposal facilities, to assess restoration strategies for nuclear sites, to perform waste management options studies, and in the development of guidance. Her assessment work has included the development of biosphere models and intrusion models for waste disposal assessments; development and maintenance of Environmental Safety Cases (ESCs) for radioactive waste disposal in near surface facilities and landfill sites; and radiological assessments for delicensing and the clean-up of radioactively contaminated land. Her other work includes a review of the regulatory regime for nuclear sites in the final stages of decommissioning; the protection of groundwater from non-radioactive pollutants for the NDA and Radioactive Waste Management Ltd (RWM); and facilitation of stakeholder workshops.
Shelly was leader of the waste management group at NRPB/HPA for over 20 years providing advice to government departments, regulators and the Nuclear Decommissioning Authority (NDA) on waste disposal and contaminated land; advising on stakeholder involvement for waste management projects; responding to radiation incidents in 2006 and 2011; and developing a decision framework for recovery after radiation incidents, including the response to mass casualty events.
Shelly has worked as an invited expert on International Atomic Energy Agency (IAEA) missions to various countries, including Ukraine and Japan, and has lectured on IAEA waste management training courses.
Professor Paul Gilchrist – Director
Paul is a Director of Eden NE and joined the company in June 2019. He is a Chartered Chemist (CChem) and a Fellow of the Royal Society of Chemistry (FRSC).
Paul’s career in the nuclear sector has spanned over 30 years, and he has held senior roles in research, national strategy and policy, engineering, and academia. He is also a Visiting Professor in Nuclear Fuel Cycle at the University of Manchester’s nuclear postgraduate Centre for Doctoral Training (CDT) in Nuclear Energy.
Paul’s key expertise is nuclear materials, spent fuels and high-level waste management. Since joining Eden NE, Paul has completed consultancy work for a wide variety of clients, including the Norwegian Nuclear Regulator, DSA (spent fuel and nuclear waste management strategy and safety); NDA (Strategy 4 Integrated Impact Assessment); RWM (Credible Options for Vitrified Waste Management); and Sellafield Limited (Site End States). Paul is also Eden NE’s Technical Manager on the NDA’s Direct Research Portfolio (Spent Fuels and Nuclear Materials) and Framework Manager for the DSA’s new Consultancy Services Contract.
Paul has a proven track record in national level programme and strategic innovation, using influence and knowledge to affect change in front end engineering project delivery, regulatory approaches and scientific understanding in both small projects and multi-billion-pound nuclear programmes. He has detailed experience in all aspects of the nuclear cycle and technologies, including Government nuclear policy development and Government level business case delivery. He has been a senior consultant to Government and industry for “New Nuclear” Funded Decommissioning Programmes (FDPs), in particular Decommissioning and Waste Management Plan (DWMP) assessment and development. Prior to joining Eden NE, he held senior management roles for over 20 years in Jacobs, NDA, BNFL Engineering Division and BNFL R&D Division.
Andrea Runkee – Business Manager
Andrea is the Business Manager at Eden NE and joined in 2016. She has a previous qualification from the Chartered Institute of Marketing, and has previously been registered as a PRINCE2 Project Management practitioner.
Andrea has more than 15 years’ experience in business-related strategic organisation and support, primarily for Small and Medium-sized Enterprises (SMEs) in the engineering/ technical consultancy sector. As Business Manager, Andrea leads the business support and administration team to ensure the smooth operation Eden NE’s business, financial and administrative services. She has responsibility for all aspects of business management and support which covers everything from finance, payroll, and business administration, to issues associated with human resources. She also provides day-to-day operational support to the technical consultancy team, the main provision offered by Eden NE. Andrea’s experience in Project Management (including project finance and delivery) enables her to provide efficient and invaluable support to the technical team at Eden NE; her experience in this discipline has come from previous employment which includes being responsible for the management of a £5m European funded project which supported business in Cumbria and the north west.
Andrea is also Eden NE’s General Data Protection Regulation (GDPR) Manager, which requires consideration for the business administration aspect of Eden NE, as well for the offerings of technical consultancy. She is a trustee of the Eden NE Share Incentive Plan (SIP) and a Board Member of the Eden NE Employee Benefit Trust (EBT) company, both of which are vehicles of employee ownership for Eden NE.
Jan Johnson – Business Administrator
Jan joined Eden NE as Business Administrator in 2018. She has an Association of Accounting Technicians (AAT) Level 3 Diploma in Accounting.
Jan has over 17 years’ experience supporting organisations in the private, public and charity sectors. In her role at Eden NE, Jan supports the Business Manager in ensuring the operation of the company in terms of financial and administrative services. This includes processing and operation of computerised financial accounts which is supported by a broad experience and knowledge of accounts ledgers and double entry book-keeping. In the early part of her career Jan worked in administrative roles and spent several years as a trainer on computerised accounting systems and in a sales support role for a computer software house.
During seven years working for Cumbria Arts in Education, Jan was responsible for the charity’s accounts and office management. She supported the director and board of trustees. Her key responsibilities included the processing and management of day to day finances via SAGE 50 accounts software, grant payments and receipts, project budget monitoring, charity commission and management reporting. More recently at the Field Studies Council - Blencathra Centre in Cumbria, Jan was responsible for the day to day finances of this environmental education charity. This included sales invoicing, debtor management, purchase invoices, budget management, cash handling and management reporting.
Dr Nick Mitchell – Associate Director, Head of Assessments
Nick is an Associate Director at Eden NE, and joined in 2013. Prior to joining Nick spent had spent five years working as an independent consultant.
Nick’s previous experience and work in the nuclear sector was focussed on the uptake of radionuclides by agricultural plants following nuclear reactor accidents, radionuclide transfer to wheat using field lysimeters, and the development of tools used by the UK Government to assess radioactive discharges and accidental releases. He previously worked for Associated Nuclear Services Ltd, W.S. Atkins and Mouchel before becoming an independent consultant in 2008. Since joining Eden NE Nick has led the development of Environmental Safety Cases (ESCs) at two landfill sites (Port Clarence landfill site and the East Northants Resource Management Facility) and contributed to the technical development of the LLW Repository’s ESC. The ESC’s he produced have both been subject to an open consultation process where the Environment Agency (EA) has sought feedback on the proposals. Nick has also undertaken an independent review of Near Surface Disposal of radioactive waste at a site in Australia, providing feedback on the operational safety case and post-closure financial provisions from the operator. He manages several framework contracts held by Eden NE, such as the NDA DRP IWM&SDR and SF&NM framework contracts, that involve a consortium approach to project delivery.
Nick is Head of Assessments for Eden NE, and has responsibility for guiding and developing assessment methodologies and training younger colleagues. He also manages the Quality Assurance (QA) systems in place at Eden NE (ISO 9001) ensuring they are properly maintained and are fit for purpose.
Dr Mark Tearle – Associate Director
Mark is an Associate Director having joined in 2016. He is a qualified Chemist and Member of the Royal Society of Chemistry (CChem MRSC), and Member of the Association for Project Management (APM), with over 25 years’ of experience of nuclear waste management.
Mark’s background is an accomplished geochemical modeller whose expertise has been used extensively to support the performance assessments of nuclear-waste facilities both in the UK and overseas. Mark has worked as a Nuclear Inspector at the Office for Nuclear Regulation (ONR) and was involved in the regulation of waste management at nuclear sites across the country including Sellafield. The work included assessment of site wastes strategies and interface with strategic national projects such as inter-site waste treatment and storage opportunities. Mark worked closely with the Environment Agency, having previously been one of the original members of their Nuclear Waste Assessment Team, which included the joint regulatory scrutiny of the proposed Geological Disposal Facility (GDF). Before that, Mark was a Principal Intelligent Customer of Higher Activity Waste (HAW) at Magnox Ltd, and notably was lead author and project manager of the NDA’s Integrated Project Team on the Interim Storage of HAW and the associated industry good-practice guidance. Additionally, Mark managed the Generic R&D Portfolio and chaired the Nuclear Waste Research Forum.
Mark currently supports the development of the Environmental Safety Case (ESC) of the Low Level Waste Repository (LLWR), and other initiatives to provide workable solutions to the challenges arising from radioactive waste management. This work is informed by Mark’s previous regulatory and industry experiences with specific insight into balancing regulatory expectations with operational constraints.
Dr Paul Abraitis – Associate Director
Paul has been an Associate Director at Eden NE since joining in 2017. He is a Chartered Chemist (CChem), a Member of the Royal Society of Chemistry (MRSC) and a Member of the Society for Radiological Protection (MSRP).
Throughout his career, Paul has worked in several nuclear related roles, including research, regulation and environmental safety support to site operations. His work has encompassed many aspects of radioactive waste management, including evaluation of waste forms, assessment modelling and optimisation studies. In operational roles he has managed an environmental monitoring programme covering two reactor sites, helped develop safety cases for waste disposal and supported waste management operations. Paul joined Eden NE from the Nuclear Regulation Group of the Environment Agency, where he was a senior nuclear regulator with responsibility for corporate regulation of EDF Energy Nuclear Generation Ltd’s nuclear reactor fleet in England, and also a lead assessor in the Generic Design Assessment (GDA) of new reactor designs. Paul was previously a member of the Nuclear Waste Assessment Team (NWAT) and was the project lead on initial regulatory scrutiny of the GDF programme (from 2003).
Paul is a trained facilitator and project manager who is experienced in collaborative working with others, including nuclear operators, regulators and the Nuclear Decommissioning Authority (NDA).
He has published extensively and has participated in numerous nuclear sector workshops, given technical presentations at international conferences, contributed to international initiatives and participated in stakeholder forums. In his current role he has recently led several high-profile projects relating to radioactive waste management that have involved extensive stakeholder interactions.
Dr Paul Tulip – Associate Director
Paul is an Associate Director at Eden NE having joined in 2013. He is a Chartered Physicist (CPhys) and has a PhD in theoretical condensed matter physics.
Paul has over 15 years’ experience in mathematical and computational modelling, including the development of scientific software to model material properties. He has undertaken work to develop and apply radiological dose models and models of radionuclide transport in the environment. Paul has significant experience in using models to perform radiological risk assessments, and to support the development of Environmental Safety Cases (ESCs) and derivation of Waste Acceptance Criteria (WAC) for radioactive waste disposal facilities. He is an experienced and highly capable technical author, and has written, or contributed significantly to, several regulatory submissions, including updates to ESCs and Article 37 submissions. Paul has a particular interest and expertise in Best Available Techniques (BAT) studies to determine optimised management strategies for complex radioactive waste problems; he has led studies to determine optimised end states for decommissioning nuclear facilities; he is currently leading studies to optimise the design of an existing radioactive waste disposal facility. Paul is also an experienced technical manager. He currently works as part of a client team delivering a major update to an ESC. In this role, Paul helps to define the technical programme of work, specifying and managing delivery of contractor work. Paul is an experienced project manager; he has managed numerous projects, and he currently project manages Eden NE’s most significant framework contract.
Dr Tim Soetens – Principal Consultant
Tim is a Principal Consultant at Eden NE having joined in 2012. He is a certificated Radioactive Waste Adviser (RWA) and a Chartered Radiation Protection Professional (CRadP).
Tim has more than 25 years’ experience related to radioactive waste and nuclear engineering, and brings experience from working for both the Belgian waste management agency ONDRAF/NIRAS and for Belgian waste producers. His main expertise lies in simulation, modelling and data analysis. He is an experienced user of several modelling tools for radiological assessments, including PC-CREAM 08 and the ERICA assessment tool. He also developed bespoke models using GoldSim, Excel and Scilab. Tim undertook assessments related to aqueous and aerial discharges, migration in groundwater, human intrusion and impacts to non-human biota, in support of Environmental Safety Cases, Article 37 Submissions and environmental studies for various UK based clients, such as LLW Repository Ltd, Sellafield Ltd, Magnox Ltd and Dounreay Site Restoration Ltd. Tim also has international recognition for his capabilities in waste inventory assessments, covering generic or specified facilities and national inventories. Tim has supported the national radioactive waste management agency and major waste producers in Belgium in radioactive waste inventory assessments; he also undertook waste inventory exercises for a planned Evolutionary Power Reactor (EPR) for GdF-Suez in France; reviewed the Norwegian national inventory for DSA; and supported LLW Repository Ltd in a study on nuclear new-build waste generation and in a UK wide exercise to improve UK Radioactive Waste Inventory (RWI) data.
Tim’s non-technical tasks within Eden NE include IT, cyber security, and website management. Tim is also a trustee of the Share Incentive Plan (SIP) Trust.
Dr Nick Collier – Principal Consultant
Nick is a Principal Consultant at Eden NE and joined in 2017. He is Chartered Mechanical Engineer (CEng IMechE) and has a PhD in the use of cementitious systems in the nuclear industry.
Nick is an experienced senior scientist and engineer with more than 30 years’ experience in running and working on major research and development projects. He has worked in the nuclear industry for more than 17 years and during this time his work has focussed primarily on the development and use/performance of cementitious systems as encapsulants and near-field barriers in radioactive waste repository and disposal environments; this has included the assessment and performance of LLW and HAW wasteforms. In roles prior to Eden NE, Nick was a Senior Research Technologist at the National Nuclear Laboratory (and was also an NNL Research Fellow and a Royal Academy of Engineering Visiting Teaching Fellow) where he led many major desk-based and experimental programmes relating to LLW/HAW management and disposal. Nick has significant academic research experience, having worked on major UK Research Council funded projects at universities in Sheffield, Manchester, and Bristol. Prior to working in nuclear, Nick led major R&D projects in the metals rolling and processing industry, and spent considerable time designing, installing, and commissioning major plant items in the USA, Finland, France and Switzerland.
In non-technical work at Eden NE, Nick is involved in strategic business issues such as identifying new market opportunities, developing business plans, and developing Eden NE’s web presence, and he also acts as Eden NE’s Training Manager.
Dr Tim Slater – Principal Consultant
Tim is a Principal Consultant at Eden NE and joined in 2015. He is an Associate Member of the Society for Radiological Protection (SRP) and has a PhD in atmospheric science including numerical modelling.
Tim is an experienced physicist with expertise in radioactive waste management and decommissioning, particularly in relation to radioactive waste disposal and waste inventory data. During his time at Eden NE, Tim has provided significant support LLW Repository Ltd’s Environmental Safety Case (ESC) team. This work has included review of and contribution to technical documents, undertaking of radiological calculations, assistance in the running of workshops, non-radiological capacity usage calculation, and work on waste acceptance. He has supported LLW Repository Ltd’s Inventory team and has become an expert in this area, having played a key role in the development of the inventory expected to be received at the Low Level Waste Repository (LLWR) over the next hundred years. Tim has also undertaken numerous assessments of human intrusion, and was lead developer of the Generic Intrusion Methodology (GIM), which aimed to aid the development of Site Wide Environmental Safety Cases (SWESCs) across Magnox sites. Tim has considerable experience in radiological assessments for the disposal of solid radioactive wastes, and of liquid and aerial discharges. This experience includes assessment using bespoke calculations, such as implementation of a Gaussian plume model, and use of industry-standard software such as the PC-CREAM 08 model and GoldSim.
Tim also has experience in strategy development, having helped to develop the Nuclear Decommissioning Authority (NDA) Value Framework and co-authored the NDA’s Integrated Impact Assessment for their 2021 Strategy.
Amy Jukes – Senior Consultant
Amy is a Senior Consultant at Eden NE. She joined in 2016 after completing an MSc in Nuclear Decommissioning and Waste Management at the University of Birmingham.
Amy’s main interests are radiological assessment and radiological protection, and she applies her skills and knowledge in these fields on projects for a variety of clients within the nuclear sector. Since joining Eden, Amy has carried out work on a variety of projects for the Nuclear Decommissioning Authority (NDA), including work on waste encapsulation, near-surface disposal, the Groundwater Daughter Directive and problematic wastes. She also updated Volumes 1 and 3 of the Integrated Impact Assessment of NDA’s Strategy IV. Amy has provided support to a variety of projects for LLW Repository Ltd’s Environmental Safety Case (ESC) Team, including carrying out a Periodic Review of the ESC, authoring a report analysing the impact of data and modelling assumption changes on radiological assessment results, and co-authoring the Engineering Development Plan. In support of a permit application for a new nuclear power station, Amy project managed and performed work to update a radiological impact assessment and non-human biota impact report. Amy has provided significant support on Eden NE projects focussed on Near-Surface Disposal and has supported major work for LLW Repository Ltd, and this has provided her with an excellent understanding of the UK’s Radioactive Waste Inventory (RWI).
Amy is an experienced user of radiological modelling software including PC-CREAM 08 and ERICA, and has also developed bespoke models for radiological dose calculations.
Dr Ian Godfrey – Senior Consultant
Ian joined Eden NE in 2018 and is a Senior Consultant. He is a Member of the Royal Society of Chemistry (MRSC).
Ian’s background is in the field of materials chemistry and prior to joining Eden NE he worked at University College London characterising functional, thermochromic metal-oxide nanomaterials and thin films; in this role Ian gained a year of experience living and working in Japan with the Advanced Institute of Science and Technology in Ishikawa.
Since joining Eden NE, Ian has worked on projects in areas such as radiological assessments, options assessments and requirements management. He has supported radiological assessments for both new-build and disposal facilities. He contributed to a feasibility study that considered whether the environmental protection aspects of a novel reactor design could meet UK regulatory requirements. Ian has also supported the external-stakeholder engagement for the options assessment for a decommissioning project that involved multiple external landowners, as well as other stakeholders including regulators and local authorities. Ian’s work has also focussed on understanding and managing the non-radiological hazards associated with radioactive waste, including asbestos and mercury wastes. He also supports the Low Level Waste Repository’s Environmental Safety Case (ESC) team, and has authored reports and memos for them. Recently, he supported the preparation of their Enhanced Periodic Review, which was submitted to the Environment Agency.
Ian also has significant experience in providing freelance technical editing services in chemistry and materials science, revising scientific manuscripts prior to peer-reviewed publication to ensure that they were clear, accurate and met all required language, technical and formatting standards.
Hannah Johnston – Consultant
Hannah is a consultant at Eden NE having joined after graduating from the University of Edinburgh in 2017 with an undergraduate degree in Ecological and Environmental Sciences. She is currently working towards a Certificate of Professional Development in Radiation Protection through the University of Strathclyde.
Hannah has supported projects in a variety of radioactive waste processing and disposal fields including those associated with waste inventory, safety cases and radiological assessment. She has contributed to a number of projects focussed on the management of both LLW and HAW. Hannah has worked on several RWM projects and has gained significant familiarity with the Disposal System Safety Case (DSSC), including Transport Safety Case, Operational Safety Case and Disposability Assessment Process. She has also provided support to a variety of projects for the LLW Repository Ltd’s Environmental Safety Case (ESC) and Inventory Teams, including carrying out a Periodic Review of the ESC as part of the 2020 Enhanced Periodic Review submission and developing forward inventories for the next major review of the ESC. Hannah has provided significant support to a major waste processing/recycling client where she has provided significant operational support and has gained experience of working on a Nuclear Licenced Site and developed knowledge of the associated waste consignment process. In her work at this client, Hannah has supported the Compliance Team and has worked on consignment documentation for landfill, incineration, metals treatment outside the UK, and disposal at the LLWR. This has enabled here to develop a thorough understanding of waste treatment and consignment both throughout the UK and overseas.
Dr Rosie Newton – Consultant
Rosie joined Eden NE in 2020 after completing a PhD in nuclear engineering at the University of Lancaster where her work focussed on investigating the responses of charge-coupled devices to alpha and beta radiation. She undertook her PhD as part of the Next Generation Nuclear Centre for Doctoral Training, which included post-graduate taught modules in nuclear power and decommissioning.
Her initial work at Eden NE has enabled her to apply her knowledge of radiation detection technologies and their application by reviewing detection technologies and deployment methods for beach particles at Sellafield. Rosie’s understanding of waste management has also enabled her to contribute to a variety of projects. This has included supporting inventory assessments for a facility considering different designs and constraints using the 2019 UKRWI, and the production of a Best Available Techniques (BAT) study for a new facility, focussing on the management of solid, aqueous, and gaseous radioactive wastes. Rosie has applied her knowledge of exposure and dose calculations to help perform human intrusion assessments considering several different exposure scenarios and pathways, and calculations to determine site-specific clean-up values. She has also had input into updating Volume 3 of the Integrated Impact Assessment of the NDA strategy by checking data relating to health and employment statistics, environmental data, and site-specific data for all NDA sites. Rosie has recently been supporting LLW Repository’s Waste Inventory and Compliance team, producing a framework for training related to the Waste Acceptance Criteria and supporting the production of a waste characterisation standard.
We also work closely with a network of Associates to meet the needs of our clients and diversify our offering.