All of our consultants and associates are highly experienced individuals who share a passion for bringing their knowledge and experience to bear as a team to client projects. The majority have been working for Stockton for many years, many since its formation in late 2005. Our selection process is rigorous and we always select new consultants based on proven technical ability, thus ensuring they are capable of delivering the client requirements working either as an individual or as part of a team.

Martin Bayliss A railway engineer for more than thirty years. Martin was instrumental in bringing Risk Analysis techniques to London Underground. More recently he has developed and run courses on risk assessment and was a compliance manager, systems assurance manager and signalling project engineer. Consultancy clients include Tube Lines, London Underground, Crossrail, Network Rail, Bombardier, Edmund Nuttall and TCI Consultants. Martin has worked for Stockton for eight years since its formation.
Ralph Pantelides provided RAMS analyses and project safety submissions for the first five years of the Jubilee and Northern line upgrade project. Since then he has provided safety support to LU points renewals and other projects, including the East London line and Cooling the Tube. Ralph has also worked on RAMS safety cases and managed systems performance modelling projects at the UK Civil Aviation Authority and National Air Traffic Services. Ralph has worked for Stockton for eight years since its formation.
Stephen Turner was the Train Systems Assurance Manager for the Jubilee Line Extension Project at line opening. For the last five years he has been lead consultant for assurance support to Tube Lines on the Jubilee Northern Line Upgrade Project, as well as contributing to work for LU ED, Viacom Outdoor, Thameslink 2000 and Infraco BCV. Stephen is an experienced Safety Assessor. Stephen has worked for Stockton for eight years since its formation.
John Colvin - A Chartered Electrical Engineer who holds an Honours Degree from Oxford. A highly experienced manager and signal engineer with over Thirty five years experience in the Signal Installation and Maintenance fields a majority of which were spent at senior management level in LU. John was promoted very quickly within LUL culminating in him being appointed General Manager Signal & Electrical Contractors in 1987 responsible for all signal installation and maintenance, communications, lighting, cabling and ticketing systems. In this position John was accountable for a budget in excess of £50m pa with 1,700 staff. Notable achievements in this role include, Installation of the first transmission based signalling system in the UK for the Docklands Light Railway, Negotiation and profitable execution of major resignalling and communications projects in the UK and Australia with a typical value of £5m plus and Increasing productivity of in-house workforce by 23% over a two year period. Latterly John became a Director of Metro Consulting and Mouchel Rail where he was responsible for winning the JNUP Signal Installation contract (Value £52m GBP) which was the single largest contract Mouchel had ever had.  An exceptionally talented engineer and manager respected throughout the industry and able to operate easily at strategic level. John has worked for Stockton for 1 year.
Richard Chatto has been a railway safety engineer for twenty-nine years, holding a variety of senior roles including hazard manager on the Jubilee Northern line project, compliance manager for Infraco BCV and safety case manager on West Coast Route Modernisation. Richard has also taught hazard analysis techniques within LU and is experienced in both safety and reliability assessment of signalling equipment. Richard has worked for Stockton for eight years since its formation.
Mike James has a detailed knowledge of rolling stock maintenance, hazard database management and systems approvals management. A mechanical engineer and industrial engineer, Mike first started working at London Transport almost thirty years ago. As well as London Underground, Mike’s clients have included Network Rail and Viacom Outdoor. Mike has worked for Stockton for eight years since its formation.
Kevin Young An experienced RAMS engineer, who has provided assurance support to the Jubilee Line Extension project, European Train Control System and Central line ATO. More recently he provided independent verification of LU standards and assurance erpertise to Infraco SSL, Infraco JNP and Tube Lines. Kevin has also worked as a project team leader and assessor on the development of avionics systems for the Merlin helicopter and the Boeing 777. Kevin has worked for Stockton for eight years since its formation.
Alan Sturman - A Signal Engineer who holds a BA degree in General Science. Alan has over 25 years experience of signalling gained initially with London Underground Ltd through working in signalling estimating, design on maintenance renewal work and then moving into a senior planning role responsible within the ‘In house’ signalling contractors division for all competitive tendering activities. In this role Alan secured work to the value of £16m which included the installation of the Transmission Based signalling for the Docklands Light Railway and the maintenance of all of LUL’s CCTV and PA systems. Alan then moved on to undertake the signalling planning role for the enabling and interface works on the Jubilee Line Extension Project. In 1994 he joined Halcrow Rail as a Principal Consultant where he has undertaken a number of signalling related commissions for a wide variety of clients, such work includes specification writing, tender evaluation, technical and financial review of signalling projects documentation. A competent and thorough individual able to work easily on his own or as part of a team.
Alan Myatt is a System Safety & RAM Consultant with over 19 years’ experience of system and safety assurance in the UK Rail industry including policy and procedure development, safety management of medium and large-sized projects, safety and RAM analysis, Safety Case development and safety acceptance of major programmes. Formerly, an electronics development engineer and project manager with 20 years’ experience in digital logic and system design in naval command & control systems and trainers, air traffic control, infra-red (IR) and industrial systems. An analytical and systematic problem solver, attentive to detail.
A Chartered Engineer with over 40 years experience in engineering, the last twenty of which as a safety & reliability engineer for London Underground. Kevin has excellent experience of London Underground Assurance and Safety and Reliability Management Processes and Procedures gained through a long involvement with LU Major Projects Team as Safety and Reliability Engineer. This work was rolling stock based allied principally to the introduction of the new Northern line fleet of trains and includeddevelopment of local procedures, participation in system Hazard and Operability Studies (HAZOPs), review and acceptance of analyses FMECA, HAZOP, and FTA works. Kevin then worked for Tube Lines in a variety of Assurance related roles such as Risk Assessment Manager responsible the preparation of several cross-discipline Case for Safety Papers and development of the Safety Review and Change Control guidance documentation enabling Tube Lines to support LU’s Railway Safety Case.
An engineer experienced in Railway Signalling Assurance with extensive investigation and reporting experience related to electrical/electronic items of Signalling equipment. Phil has nearly forty years experience in the London Underground (LU) signalling environment and possesses excellent knowledge of LU conventional signalling as well as the Invensys FS2500 and DTG-r systems and the THALES SELTRAC S40 system. He worked for a majority of his career at LU in research and development and latterly in scientific services in materials management. Since undertaking consultancy work he has undertaken assurance related works as a technical author, documentation engineer and latterly providing technical support to the LU Professional Head of Signalling.
An ex London Underground (LU) signalling apprentice with an HNC in Electrical & Electronic Engineering. Graham has 38 years experience of working in the LU Signalling environment in both Maintenance and Installation, Testing and Commissioning and has excellent knowledge of LU conventional signalling and also of SELTRAC S40 as used on the Jubilee and Northern Lines. Has worked in both Client and Contractor environments and is currently working with THALES as part of the Installation, Testing and Commissioning Management team allied to the LU Northern Line Upgrade Project. Highly experienced and respected at the highest levels in LU.
Tim is professionally qualified in the transport and has over thirty years experience of the London Underground environment working in the fields of planning, programmes and estimating allied specifically to Signalling and Control Systems. On leaving LU after thirteen years Tim moved to the private sector undertaking Business Development roles for Metro Consulting and continued in this role following its Acquisition by Mouchel. In this role Tim was responsible for all Business Development and management of all signalling consulting works allied to Mass Transit. Has worked an independent consultant responsible for cost and planning management on mass transit and main line signalling works and also various assurance works. Tim is now the Business Development Manager for Stockton and has been part of the Stockton team for two years.
A Chartered Railway Signalling Engineer with 40 years experience in railway safety engineering, systems engineering, projects and signalling R&D. Has held senior management positions in London Underground, Network Rail and Invensys Rail. Was a member of the ‘Yellow Book Committee’ and was Acceptance Engineer for Network Rail. Highly experienced, diligent and practical and able to work effectively at all levels in an organisation.
An experienced and well qualified Assurance Consultant with extensive Train Systems Assurance and Management Systems implementation knowledge and experience. A strong understanding of railway systems interfaces, in terms of track, train and signalling, with agood understanding of the London Underground system and the services operated. This was gained by working closely with operational staff on both the Neasden Depot Upgrade Project and the Victoria Line Upgrade, along with previous train maintenance depot management experience. An effective communicator and facilitator at all levels combining commercial and strategic awareness with statutory and regulatory knowledge. Confident and pragmatic with good presentation skills.