Dan is the Chief Technology Officer at Digital Transit, overseeing the technical direction of the company’s projects, including Innovate UK-funded initiatives and collaborations with the University of Huddersfield and industry partners.
He plays a key role in shaping the company’s technical strategy and liaising with project stakeholders.With a focus on good systems engineering, he ensures that projects follow industry best practices, supporting development throughout the V-lifecycle.
He has been with Digital Transit for three years and is a graduate engineer from Lancaster University. His interests include machine vision, condition monitoring, and Large Language Models.
In addition, he co-leads the OT Cybersecurity in Rail training course with Digital Transit’s director, Howard Parkinson, delivering expertise on securing operational technology in critical rail infrastructure.

Dr. Howard Parkinson is a Chartered Engineer contributing to global standards in railway safety, software and systems engineering. With over 20 years of international experience, he has held senior roles in signalling, rolling stock, infrastructure, and railway systems, including Systems Assurance Manager and Head of Systems Engineering and Safety. His expertise spans metro, tram, and heavy rail, with a focus on safety, compliance, and reliability.

A Fellow of the Institution of Mechanical Engineers (FIMechE) and a member of the Institution of Railway Signal Engineers (MIRSE), Howard holds a doctorate in Mechanical and Aeronautical Engineering from the University of Manchester. Alongside consultancy and research, he delivers specialised training in engineering, safety, risk management, European interoperability, and railway legislation.

Vanessa Vulovic plays a dynamic role at DTL, contributing across project management, CRM development, and marketing content creation. With an academic background in biomedical science and a research degree, she brings a strong analytical mindset and attention to detail to her work. Since joining the team nine months ago, shortly after completing a coding bootcamp in Lancaster, Vanessa has been integral to ensuring the timely delivery of projects, building team communication, and supporting website design as well as other marketing materials. She also handles a wide range of administrative responsibilities, making her a versatile and valuable member of the team.

Regan Bolton is a software engineer at DTL. Regan has been working at DTL for 1 year after having graduated from the University of Durham with a first-class honour in Computer Science and a published paper in the area of artificial intelligence. During his time at DTL Regan has also undertaken a part time PhD in the area of Large Language Models (AI) focusing on Retrieval Augmented Generation (RAG). He has been responsible for:

Drafting AI research papers
Engaging in active AI research
Developing SaaS products
Providing AI technical expertise
Developing company cloud architecture and related services
Presenting conferences and presentations on AI related projects

He is involved in projects:

CyRail
RAPORS

Kathryn Hurst is a software engineer at DTL, with expertise in PCB design and assembly. Kathryn has been working at DTL since January 2024 after achieving a 2:1 in Computer Science from Lancaster University and passing all six modules of the IPC J-STD-001. Whilst working at DTL, she has been responsible for developing various embedded systems, including the OLES pantograph monitoring system and the OSAD tram overspeed detection device, as well as assisting with other projects.

Joshua Murray is a software engineer at DTL. Josh has been working for DTL for 5 months after graduating from MMU with a 2:1 in Computer Games Development. Whilst working with DTL, his main responsibility have been the development of the REDGE digital twin energy grid project along with assisting on other projects such as CyRail & RAPORS.

Clive Osman is a Chartered Engineer with over 35 years of experience in systems engineering, specialising in railway signalling, command and control systems, and system integration. He has contributed to major metro and mainline rail projects both in the UK and internationally, delivering robust engineering assurance and safety-critical systems. Clive has deep knowledge of EN50128 compliance and has led multidisciplinary teams through complex system development lifecycles.

Charlie Speirs is a software engineer at DTL alongside completing his Financial Technology MSc at the University of Liverpool. Charlie joined DTL in June 2025 after graduating with a 2:1 in Computer Science also from the University of Liverpool. Whilst working at DTL, Charlie has primarily been assisting with the development of the CyRail project.

Colin Wilson is a Chartered Engineer and member of the IET with a long-standing career in engineering safety, quality management, and project assurance within the rail, automotive, and electrical sectors. With experience spanning several decades, Colin has led safety assurance teams on high-profile projects like the Thales MML TMS programme, demonstrating strong leadership in systems safety, risk mitigation, and stakeholder engagement.

Edward Crompton is an Engineer with over 30 years of experience in software engineering and safety-critical systems across the railway, avionics, petrochemical, and heavy engineering sectors. Specialising in software safety assessment and system assurance, he has led projects involving SIL2 safety lifecycle development, large-scale data migration, and complex systems integration. Edward is particularly adept in safety case development and validation processes, with a strong foundation in full project lifecycle delivery and tools such as DOORS and Test-Director.

John Clegg is a Chartered Engineer and Fellow of the Institution of Mechanical Engineers with a career spanning over 30 years across multiple continents. He is an expert in innovation strategy, new product development, and global business models. Jon has led the rapid deployment of cutting-edge technologies and now offers consultancy on innovation processes, blending technical excellence with strategic business acumen.

Dr Gary Bamford is a Chartered Engineer and senior technical consultant with a PhD in Physics and over three decades of experience in systems engineering, safety assurance, and risk management. His expertise includes real-time systems, data analytics, and system integration, with notable roles at Thales and Arcadis. Gary brings strategic insight into the digitalisation of industrial systems and has a proven track record in managing safety-critical technologies.