Meet the Team

Our experts are at the forefront of their field – meet the people who have helped to establish VisNet as a world-leading authority on Low Voltage network management solutions.

VisNet Team

Dave A Roberts

VisNet Monitoring,
Managing Director

Mark Sprawson

Commerical Director
VisNet Group

Chris Lowsely

Head of Business
Development

Erra Law

Head of
Procurement

Ramiz Ahmed

Head of Monitoring Services

Lee O'halloran

Head of Engineering

Harisankar Krishnan

Senior Consultant

Chris Arthur

Senior Devops Support Engineer

Sion Hughes

Product Development Manager

David Clements

Data Analysis Manager

Katee Houston

Information Security and AI Manager

Ian Hughes

Data Platforms Manager

Simon Parry

IT Manager

Andy Martell

Team Leader

Tom Wilkinson

Team Leader

Gareth Hanahoe

Senior software Engineer

Emily robinson

Senior Analysts Developer

Aksha Sawan

Software Team Leader

Roxanne Ellis

Senior UI Developer

Liam Franklin

Senior UI Developer

Missy Munoz

Senior UI Developer

Andrew Boreham

Senior software Engineer

Pedro Costa

Senior software Engineer

Richard Ash

Lead/Principal/Consultant

Pip Hallewell

Inbound Sales Manager

Chris Given

Strategic Bid Manager

Sebastian Lindmark

Strategic Development Manager

Ian Cooper

Head of VisNet Modelling

Marie Hill

Head of VisNet Marketing

Pete Davies

Software Architecture

Adrian Vinsome

Product Manager, Software Modelling and Platforms

Keith Bowers

VisNet Modelling Deployment Manager

Jon McLean

Senior Consultant/Product Owner

Billy Chan

Senior Consultant/Product Owner

Preye Ivry

Senior Consultant/Product Owner

Catherine Birkinshaw Doyle

Senior Consultant

Michael Ng

Senior Software Developer

Joicy Joy

Senior Software Developer

John Martin

Lead Developer

Daniel Harding

Senior Software Developer

Mark Fletcher

Senior Developer

Michael Barram

Lead Developer

Wilmot Bakare

Senior Software Developer

Christopher Mawdsley

Senior Developer

Ana Duran

Senior Consultant

Matthew Philips

Senior tester

Andy Ward

Lead Developer

Krzysztof Szenwald

Senior Developer

Gavin Edwards

Senior Consultant

Harry Bullivant

Customer Success Manager

Andy Ward

Lead Developer

Krzysztof Szenwald

Senior Developer

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Learn more about our market-leading LV products and how we’re supporting the world’s transition to decarbonisation.

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VisNet are innovative and always keep moving.
Keep up the good work.

Dave Phillips, Engineering Specialist
National Grid Electricity Distribution

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VisNet have great products and services, with very good technical advice. I found the team approachable; they listen to customers and provide continuous innovation to meet their needs.

Gary MacDonald, Senior Project Engineer
SP Energy Networks

Dave A Roberts

VisNet Monitoring, Managing Director

Dave is the Managing Director (MD) of EA Technology’s VisNet Monitoring business, where he drives the execution of it’s rapidly growing hardware and data insights portfolio for Low Voltage grids.

With over 24 years of experience in the power sector, Dave’s career has covered innovation, energy decarbonisation, and the implementation of cutting-edge technology. As a Chartered Engineer and Fellow of the IET, he has a proven track record in international business development and successfully delivered major sales and innovative projects, including the UK’s largest grid/electric vehicle trials.

Outside of work, he is a surfer, snowboarder, and reluctant runner, living with his wife and two sons in North Wales.

Mark Sprawson

Commerical Director VisNet Group

Mark Sprawson is a globally recognised thought leader in the drive towards lower emission, lower cost and higher security network.His engineering background ensures he provides clients with long term value in building strategies and integrating innovation into business as usual.

As Commercial Director of EA Technology’s VisNet business, he drives international growth in LV network monitoring, software modelling, and consultancy services. Under his leadership, VisNet has become a UK leader in actionable insights and self-serve connection tools for DNOs. With 20 years in the industry, Mark has pioneered techno-economic modelling and led key projects across four continents, helping utilities make strategic, future-focused decisions to support the transition to Net Zero.

Erra Law

Head of Procurement

Erra Law is a Supply Chain professional with over 25 years of working experiences in different roles from procure-to-pay in multinational companies of electronic manufacturing segment. By carefully managing each phase of the procure to pay cycle, she is very passionate to look for any possible opportunities for cost effectiveness and operation optimization. She joined EA Capenhurst in Jun 2023 as the Head of Procurement of LV VisNet. By flourishing the suppliers’ relationships in a long-term meaningful way, bridging them into internal stakeholders at early involvement stage, suppliers feel heard and are more comfortable collaborating with EA and influencing the partnership’s strategic direction. Outside of work, Erra enjoys travelling, shopping, meeting with new friends and exploring new information.

Ramiz Ahmed

Head of Monitoring Services

Ramiz is currently the Head of Monitoring Services Team at EA Technology. His team focuses on providing fault location and management services to Private and Distribution Network Operators. Ramiz is constantly working on developing new insights and monitoring solutions using EA Technology’s vast range of instruments, allowing his customers to move from reactive to preventative asset management solutions.

Lee O'halloran

Head of Engineering

Lee O’Halloran is an engineering leader with over 30 years of experience in driving innovation, building high-performing teams, and delivering scalable technology solutions. As Head of Engineering at VisNet , from EA Technology, he aligns the department’s projects with strategic company goals. Lee’s expertise spans software development, cloud infrastructure, and agile methodologies, and he fosters a culture of collaboration and excellence. Known for his hands-on leadership, he guides teams from concept to product deployment and has successfully managed large-scale, multi-industry projects. Previously, Lee held senior roles at various companies, contributing to groundbreaking products and advancing engineering practices. Outside of work, Lee enjoys country pursuits, and engages in tech communities to stay current with industry trends.

Harisankar Krishnan

Senior Consultant

Harisankar Kunhi Krishnan is a Senior Consultant for our Monitoring Services Team. He joined EA Technology as a graduate in 2014 and has over 10 years of experience in the electricity industry, including 6 years in LV networks and monitoring. Throughout his career, he has worked on multiple consultancy projects for different DNOs and has contributed to the development of the LV Cable Fault Location Algorithm and the service. Hari is actively involved in managing several LIVE fault trials with different DNOs.

Currently, Hari manages the fault location team, ensuring that all SLAs are met to guarantee customer satisfaction.

Hari holds an MSc in Electrical Power Systems Engineering from the University of Manchester, where he received a distinction.

Outside of work, Hari enjoys playing cricket, badminton, and chess.

Sion Hughes

Product Development Manager

Siôn Hughes is the Product Development Manager within the VisNet business of EA Technology, responsible for the engineering team who design cutting edge products such as the VisNet Hub and Reclose2. Siôn is a Chartered Engineer and his background is in embedded software development. Siôn has been part of the EA Technology group and its product research and development since 2011, with years of prior experience in the telecoms and defence sectors at large multinationals. Siôn’s biggest accomplishment has been leading innovation projects from inception through to mass deployment of tens of thousands of devices globally.

Outside of work, Siôn is a dedicated follower of the Welsh national football team home and away.

David Clements

Data Analysis Manager

David Clements leads the data analytics team. Since joining EA in 2009 he has worked in asset management, net zero consulting and innovation delivery roles before joining the VisNet team, to innovate and generate value through the creation of novel apps and algorithms. He was the main developer in the creation of the Transform model and the cable condition algorithms used in VisNet devices.

Outside of work David is a devoted parent and enjoys hiking and gardening.

Katee Houston

Information Security and AI Manager

Katee is the Information Security and AI Manager at EA, bringing over 9 years of compliance experience. She joined EA Technology 5 years ago with the objective of implementing an Information Security Management System to achieve ISO 27001 certification. Katee successfully developed a comprehensive Management System across the organisation, where we now hold ISO 27001 certification, ensuring that EA proactively manages its risk profile against the ever-changing Information Security threat landscape.Alongside her full-time role, Katee pursued an additional degree in Cyber Security, complementing her previous degree in Human Biology. This further developed her skills and ensured the organisation’s protection. After graduating, she expanded her responsibilities to include exploring the uses of Artificial Intelligence (AI) to enhance the efficiency of day-to-day operations across all areas of the business. She has also completed a leadership course to aid her skills and effectively manage the AI team.
Outside of work, Katee enjoys going to CrossFit and competing in gym competitions. She also loves walking her dog and travelling to explore new cultures around the world.

Ian Hughes

Data Platforms Manager

Ian has always been a keen programming enthusiast and this led him through his career as a software engineer and into his role as Data Systems Manager. He never tires of learning new skills and technologies and has leveraged many of his learned skills in the design and build of Substation360, an online data and applications platform that processes and displays data from thousands of EA Technology instruments and services. He has also built a team around this platform as it has grown and continually improved and refined to meet the needs of the company’s growth. Ian is keen on delivering software solutions that are secure, scalable, and reliable.

Ian has two small children who take up a lot of his time; he is also a keen Warhammer enthusiast and spends countless hours painting models and occasionally actually playing the tabletop wargame.

Andy Martell

Team Leader

Andy is an Electronic Design Engineer within the VisNet product development team. He also leads a team of engineers working to develop and maintaining the latest and next generation VisNet products. Andy is a Chartered Engineer who joined VisNet bringing 30+ years of engineering experience from the nuclear power generation, automotive, high volume industrial electronics and military sectors.

Tom Wilkinson

Team Leader

Tom is a Senior Electrical and Electronic Design Engineer for VisNet, and has worked within EA Technology for seven years. Tom and his team have been involved in the development of all our major products, including the VisNet Hub, ALVIN Reclose² and Guard. They deal with the whole lifecycle, from concepts and specifications to design and testing to legal compliance and production support. With ever-increasing demand for VisNet products, this can sometimes be a real challenge but is something Tom and the team thrive off. Electrification is key to meeting the world’s essential Net Zero goals, and Tom is proud of the contribution VisNet makes toward developing a more resilient electrical network.

In his spare time, Tom loves anything outdoors. From running and rambling to snowboarding and diving, he is a firm believer that there is nothing better than a bit of fresh air! We are in Britain though, so when the weather is a bit naff, you might well find him in the pub with friends and family.

Emily Robinson

Senior Analysts Developer

Emily is an experienced analyst developer with a strong interest in developing analytical solutions to transform complex data into knowledge.

After graduating with a master’s degree in mathematics, she joined EA Technology in 2017, where she has worked on delivering insight from a range of high and low-voltage network data. Recently, her focus has been on creating tools for LV fault detection and location, as well as providing understanding of overall network condition. Her work has facilitated the automated analysis of large datasets in near real-time, delivering value and supporting scalability.

Outside of work, she enjoys spending her free time reading, walking, and trying out new crafts.

Aksha Sawan

Software Team Leader

Aksha Sawant is a software team leader in the Data Team for VisNet, from EA Technology. She joined the company 5 years ago as a UI developer, bringing with her a Master’s degree in Cyber Security, a Computer Science Engineering degree, and prior work experience as a software developer. Throughout the last five years, Aksha has been an integral part of cross-functional teams, contributing to the creation of creative, intuitive, scalable, and secure software’s for VisNet. Her expertise spans various cloud and web technologies, showcasing a versatile skill set that aligns with the dynamic requirements of the industry. Aksha also pursued an apprenticeship in Operations Management during her time at VisNet, enhancing her managerial capabilities and now leads a dynamic Team of software developers. Her leadership style is characterized by a perfect blend of technical acumen and people management skills, ensuring that the team delivers solutions that align with VisNet’s strategic objectives.

Outside of work, Aksha enjoys traveling, practicing yoga, going to the gym, and trekking, maintaining a balanced and active lifestyle.

Missy Munoz

Senior UI Developer

Missy Munoz is a Senior UI Developer at VisNet, from EA Technology, with a rich background in leading front-end teams and developing cutting-edge user interfaces. With a wealth of experience in the financial services sector, Missy has led successful projects, including improvements to accounting platforms for major UK banks. Her technical expertise spans React, Redux, and UI/UX architecture, where she has driven both feature development and integration of greenfield projects. Missy is a Google Cloud Certified Associate Cloud Engineer and a SAFe Certified Practitioner. She is actively involved in promoting tech innovation and has delivered talks at prominent industry events.
In her personal time, Missy enjoys sailing, Olympic weightlifting, pole fitness, painting, and crochet, reflecting a balance of technical and creative pursuits.

Andrew Boreham

Senior software Engineer

Andrew Boreham is a Senior Software Engineer on the VisNet, from EA Technology team. He has over 12 years of experience in C++ software engineering, focusing on developing robust, mission-critical systems. His career highlights include developing backup software used by over a million people worldwide, leading the development of major new features, and reverse-engineering email servers enough to be able to perform granular recovery. Andrew enjoys solving interesting technical challenges, and finding out about new interesting quirks of C++. He joined the team in 2024, and works mainly on the software for the LV-CAP platform.

In his spare time, Andrew enjoys playing PC games, making PC games, wood carving, playing musical instruments (piano, saxophone, bass guitar, cajon, xaphoon, Armenian duduk, learning classical guitar!), and hiking through the countryside.

Richard Ash

Lead/Principal/Consultant

Richard Ash is an experienced electronic engineer who has spent his career supplying and supporting the electricity industry. Richard first joined EA Technology as a Year In Industry student in 2002, and has worked in many areas of the business since then. These have included lab testing, field services, failure analysis, and a wide range of product development activity. Substantial projects have included cable thermal ratings for the Customer Led Network Revolution project and CRATER Lite, LV monitoring and grid edge computing in the OpenLV project, all of which fed into the development of the VisNet Hub product running the market leading Low Voltage Common Application Platform (LV-CAP).

Outside of work he plays in the Port Sunlight Lyceum Brass Band and Wirral Recorder Orchestra and runs the sound system for Cafe Jam worship band, as well as being heavily involved in his local church.

Chris Given

Strategic Bid Manager

With over 20 years of experience in commercial, technical, and managerial roles in the Power and Engineering sectors, Chris is a Strategic Bid Manager with a wealth of experience in leveraging cutting-edge technologies and data-driven insights to optimise network efficiency and reduce operational costs. Notably, Chris played a key delivery role in the original implementation of the Common Network Asset Indices Methodology (CNAIM) for Distribution Network Operators across Great Britain. Chris’s collaborates with delivery teams and clients to design tailored solutions that support long-term growth and innovation.

Outside of work, Chris likes to spend time with his family, is a keen guitarist, a fair-weather golfer and likes to keep fit with running and Ju Jitsu.

Ian Cooper

Head of VisNet Modelling

Ian Cooper heads EA Technology’s Innovation Delivery team at the headquarters, delivering improvements in network modelling and self-service connections to support the Net Zero transition.

Previously, Ian was Innovation Lead at UK Power Networks overseeing the innovation pipeline for one of the smartest utilities in the world and chaired ENA UK national innovation managers working group. 

Ian is a Chartered Engineer with a Master’s degree in electromechanical engineering from University of Southampton.

Marie Hill

Head of VisNet Marketing

Marie Hill is the Head of VisNet Marketing and has been with the company since January 2023. With almost 20 years of experience across both creative agencies and client-side positions, she has held key roles in strategic planning, client service, and leadership across a variety of sectors and global markets. After spending seven years in Hong Kong managing clients and brands in the APAC region, Marie now focuses on driving the growth and development of the VisNet brand both in the UK and internationally.

Pete Davies

Software Architecture

Pete is a digital services professional with over 20 years experience in delivering technical solutions in digital marketing , e-commerce and telecommunications. Throughout his career in digital marketing, he has delivered solutions for a host of well known brands across a wide range of industries. He joined the EA Technology in 2024, focusing on delivering Visnet Modelling products – that meet consumer needs whilst ensuring value for the business.

In his spare time he enjoys long walks in the company of his two dogs, he is an avid cook and enjoys going to concerts.

Keith Bowers

VisNet Modelling Deployment Manager

Keith Bowers is Chartered Engineer with over 22 years leadership and engineering experience. Keith served as a Weapon Engineering Officer for 20 Years in the Royal Navy leaving with the rank of Commander. Having developed a wealth of engineering experience he looked to move into the Energy Industry focussing on the transition to Net Zero. Keith joined EA Technology in November 2022 and has since played a key part in the VisNet Modelling Team, delivering connections projects for DNOs and leading the deployment of our software.

Outside of work, he enjoys dog walking, running and exploring new culinary experiences. He previously competed in 2006 and 2010 commonwealths at Fencing and refereed at the London 2012 Olympics.

Jon McLean

Senior Consultant / Product Owner

Jon McLean is a software testing professional with over 17 years of experience in delivering high quality software solutions across a range of platforms and industries.

Jon joined EA Technology in 2023 as a test lead and has since played a key role in VisNet Modelling; growing the test team, improving automation coverage and implementing process change to support development activities in the software development lifecycle.

Outside of work he enjoys painting, martial arts, video games and spending time with his family.

Billy Chan

Senior Consultant / Product Owner

Dr. Billy Chan (PhD, SMIEEE, MIET) has more than 20-years’ experience in industry and academic R&D, and has been leading and managing team and projects in mobile communications networks , smart mobility, power and energy networks areas. Billy also got proven experience and track record in large scale networking software project and product management.

His experience and skillsets have also been recognized and certified by many international and professional organizations and awards. Billy joined EA Technology in 2022 and has been the Senior Consultant and Product Owner for innovative VisNet Design software product, focusing on Low Voltage (LV) electrical network planning and modelling, which facilitating daily operations and business needs for major Distribution Network Operators in UK.

Outside of work, he enjoys exercises, football, movies and traveling etc and also loves spending time with his family and friends.

Preye Ivry

Senior Consultant / Product Owner

Preye Ivry is a chartered engineer and certified PRINCE2 project manager with over 10 years of experience in developing and delivering technical and business solutions for the electricity industry. He is passionate about integrating renewables and low-carbon technologies into the electricity networks to improve performance, reduce costs, increase security and reduce emissions. Preye joined EA Technology Ltd in 2022 as a Senior Consultant and the Product Owner for EA Technology’s self-serve digitalised connections tool – VisNet Connect. Since joining EA, he has delivered EA’s VisNet Connect to several DNOs in the UK, helping them meet their regulatory obligations, improve customer satisfaction and reduce operational costs concerning network connections.

Outside of work, he enjoys spending time with family and friends, gardening and mixed martial arts.

Catherine Birkinshaw Doyle

Senior Consultant

Catherine is a senior consultant in the low voltage (LV) engineering field. She leads the technical development and engineering design of the VisNet Design tool and the Debut modelling engine for the VisNet Modelling team. She has also worked on software tools related to LV new connections, system forecasting, and electric vehicle integration. With a Master’s in Renewable Energy Systems Technology, Catherine is keen to help facilitate the transition to Net Zero by enabling the fast, reliable connection of low carbon technologies. Outside of work, Catherine enjoys reading, yoga, and running tabletop role-playing games.

John Martin

Lead Developer

John Martin is a lead developer with over 20 years of experience in software development, who has specialised in cloud software development since 2019. He is a delivery focused lead with experience in a variety of industries including fintech, banking, manufacturing, local and national government. John joined the team in 2023 and has worked on a number of projects resulting in him becoming the lead developer on the flagship SPLE application.

John is a music lover, walker and bread maker.

Mark Fletcher

Senior Developer

Mark Fletcher is a Senior Software Developer with nearly 20 years of experience working in software development. He enjoys the building of software systems that help people and companies to achieve their goals. Mark Fletcher joined the EA Technologies VisNet Design team in 2023, where he has worked on key deliverables for the team, resolved priority one client issues and acted as a mentor to junior developers within the team.

Outside of work Mark is a keen music fan and regularly attends gigs and festivals. He also spends his free time going to the cinema and playing video games with his son.

Michael Barram

Lead Developer

Mike Barram is a seasoned Lead Developer with over 20 years of experience in architecting and developing .NET applications. He has a strong passion for building high-performance, secure, and accessible software. Since joining EA Technology in 2022, Mike has successfully led a team to develop an innovative application that provides customers with estimates and quotes for connections to the high-voltage electricity network.

Mike thrives on every stage of the software development lifecycle. He enjoys collaborating with clients to understand their needs and identifying opportunities where technology can streamline and improve business processes. From planning and acting as Scrum Master to architecting solutions in Azure, he brings a hands-on approach to development, testing, deployment, and continuous iteration based on client feedback.

Outside of work, Mike is an avid runner, which helps him keep up with his kids as they zoom past on their bikes.

Wilmot Bakare

Senior Software Developer

Wilmot Bakare is an innovative software engineer with 10 years of experience in designing, building, and delivering enterprise software solutions. He is passionate about problem-solving, with expertise spanning industries such as transportation, insurance, healthcare, financial services, and banking.

Primarily focused on backend development, Wilmot has also worked extensively on both frontend and mobile applications. In March 2024, he joined EA Technology as a senior software developer, contributing to the VisNet Modeling team’s software solutions.

Outside of work, Wilmot enjoys movies, video games, dancing, and playing chess. An avid infovore, he also cherishes time spent with family and friends.

Ana Duran

Senior Consultant

Ana Duran – Senior Consultant (MEng, PRINCE2®, MIET)
Ana’s technical background as an Electrical Engineer together with her strong leadership and management skills allow her to deliver high standard technical projects and lead specialist teams.

Ana has a driven desire for innovation and continuous improvement in a commercially driven environment. In doing so, she has had direct influence on business plans, strategy and growth of the organisation as a Head of Power System Studies. She has also been leading innovation projects for several years aimed at overcoming technical, commercial and regulatory issues associated with ageing electricity networks, increased electrical demands and penetration of low carbon technologies.

She currently holds the role of Product Owner for an online tool being developed for SSEN that will allow their customers to obtain automated budget estimations and formal quotations for new connections, service alterations and service upgrades at LV. The tool will also allow automatic acceptance and payment of quotes as well as scheduling of works.

Ana’s free time is spent with her young family, coaching an U6 girls football team and playing tennis competitively.

Matthew Philips

Senior Tester

Matthew Phillips is a software quality engineer, with over 17 years of experience in various industries, including video games, recruitment, education and retail. Matthew brings his wealth of experience to EA Technology to help improve the quality and quality process of our modelling software applications. He is also ISTQB Foundation certified.

Outside of work, Matthew is an avid video gamer, as well as a Formula 1 and MMA fan.

Andy Ward

Lead Developer

Andy is a Solution/Technical Architect for VisNet, from EA Technology, with a broad skillset over 35 years, developing enterprise solutions on a variety of platforms.

In 1992, he pioneered a pre-internet online information system, followed by the creation of the world’s first online business card designer. He played a key role in the teams that successfully launched these two companies on the AIM stock market. As a founder of a Mass Spectrometry Software and Life Science consultancy, he also developed a marketplace platform for luxury designer goods and an asset management platform for the football industry.

Outside of work he plays and referees for a local football team and is a member of a local tennis club. He’s a music fan with broad tastes and loves live events.

Gavin Edwards

Senior Consultant

Gavin is a Senior Software Developer with over 5 years of experience in a range of frontend and backend web development technologies. He is passionate about improving our software propositions to ensure the best possible experience for our customers. Gavin joined EA Technology in 2018 as a Graduate Consultant on the Graduate Scheme and has worked in many departments around the business. Outside of work, he enjoys jiu jitsu, weightlifting, supporting Manchester United and reading books, particularly fantasy!

Harry Bullivant

Customer Success Manager

Harry, is the Customer Success Manager for VisNet, and has a strong background within customer success. He is committed to identifying challenges and opportunities which our clients face, enabling us to tailor solutions that enhance their customer experience and maximise our support.

Throughout his career, Harry has held diverse roles, in both large technology companies and alongside public sector organisations, where Harry has consistently put the customer first. At VisNet, from EA Technology, his primary focus is ensuring that every project and initiative is executed with our customers’ best interests at heart.

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Find out more about VisNet® real-time, data-driven low voltage monitoring systems.

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+44 (0) 151 347 2313 info@eatechnology.com

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