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Meet the Team

Rupert Clubb

Chief Officer

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Rupert Clubb

Chief Officer

Rupert leads the development of Transport for the South East. He chairs the Senior Officer Group and supports the Chairman and Board.

He is also the Director of Communities, Economy and Transport at East Sussex County Council.

A former president of the Association of Directors of Environment, Economy, Planning and Transport, Rupert is a Chartered Civil Engineer and Fellow of the Institution of Civil Engineers and the Chartered Institution of Highways and Transportation.

Mark Valleley

Head of Strategy

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Mark Valleley

Head of Strategy

Mark has overall responsibility for a number of areas of our technical work programme including the development of our transport strategy and our work on freight and logistics, active travel, decarbonisation, future mobility and electric vehicle charging infrastructure.

He is a Transport Planner with 35 years’ experience in the formulation of transport policy and strategy and scheme development and delivery.

Sarah Valentine

Head of Analysis and Appraisal

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Sarah Valentine

Head of Analysis and Appraisal

Sarah manages the development of our analytical framework which will contain the data analysis, modelling and appraisal tools that will support scheme business cases and the implementation of our Strategic Investment Plan.

Sarah joined TfSE in November 2018 and previously managed our programme of multi-modal area studies.

She has over 30 years of local government experience, including the development and delivery of major highways schemes.

James Boyes

Communications and Public Affairs Manager

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James Boyes

Communications and Public Affairs Manager

James joined Transport for the South East in November 2024 and oversees the day-to-day development and implementation of our communications and public engagement strategy, working closely with Jaimie and Eleanor.

James has worked in marketing and communications for over 25 years, including twenty years of public sector experience in roles with East Sussex County Council, the Home Office and Sussex Police.

Dr Joshua Jiao

Analysis Manager

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Dr Joshua Jiao

Analysis Manager

As Analysis Manager, Joshua is responsible for developing and managing our analytical framework. His work provides crucial data-driven evidence to support the successful delivery of our transport strategy, strategic investment plan, and various aspects of our technical programmes.

Additionally, Joshua plays a pivotal role in assisting local transport authorities with the use of data and modelling tools, ensuring their strategies are well-informed and effective.

Joshua also collaborates closely with Transport for the North and liaises with the Department for Transport, aligning our methods with national transport policies and leading the development of a common analytical framework across Subnational Transport Bodies.

Benn White

Project Manager

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Benn White

Project Manager

Benn supported the the work on our Transport Strategy, Future Mobility Strategy and Freight Strategy and is currently leading on the development of TfSE’s regional Electric Vehicle Charging Infrastructure Strategy.

He previously worked at Highways England supporting major investment schemes to improve the road network

Emily Bailey

Project Manager

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Emily Bailey

Project Manager

Emily manages the TfSE Centre of Excellence, which supports local authorities in improving their overall capability and capacity.

The bespoke content that is created for the Centre of Excellence is specifically developed to tackle important skills such as developing business cases, developing and implementing local transport plans, reducing carbon, and maintaining a pipeline of schemes.

Emily works closely with local transport authorities to ensure that the needs and requirements of the South East are reflected.

Kate Over

Transport Strategy Manager

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Kate Over

Transport Strategy Manager

Kate is the Transport Strategy Manager with responsibility for freight and rail at TfSE. She leads the delivery of several projects as part of our technical work programme including the TfSE Lorry Parking Study published in February 2024, and the establishment and ongoing management of the Wider South East Freight Forum in conjunction with Transport East and England’s Economic Heartland. Kate is also TfSE’s technical lead in the Wider South East Rail Partnership. She manages various studies currently being undertaken about e.g. intermodal rail freight, the current and future provision of warehousing, and the potential for using waterborne freight in the TfSE area.

Kate previously worked for Transport for London delivering the first Local Implementation Plans in London and as a senior business planner; and at the University of Brighton as a research project manager.

Jaimie McSorley

Engagement Manager

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Jaimie McSorley

Engagement Manager

Jaimie McSorley joined Transport for the South East in December 2023 from Brighton & Hove City Council.

Jaimie is part of our programme team and her work includes managing and developing our stakeholder relationships, alongside the design and delivery of our ongoing programme of engagement and consultation activities in support of our technical work.

Craig Derrick

Data and Analytics Manager

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Craig Derrick

Data and Analytics Manager

Craig works in the Transport for the South East technical team. His work involves supporting the analytical framework, and the wider technical work programme, through the management and analysis of TfSE data.
Craig previously worked for Transport for London and has also worked in local authority at Brighton and Hove city council.

Lewis Milligan

Project Manager

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Lewis Milligan

Project Manager

Lewis Milligan is the Project Manager for TfSE’s consultancy framework and supports the analysis team to deliver the Strategic Investment Plan and is currently project managing on early-stage scheme development support for local transport authorities.

Lewis joined the team in August 2023 from his previous role at Sussex Partnership Foundation Trust as business planning administrator.

Eleanor Jewell

PR and Communications Assistant

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Eleanor Jewell

PR and Communications Assistant

Eleanor joined Transport for the South East in July 2025 from the charitable sector, where she worked in project delivery and communications.

Eleanor is part of our programme team and her work includes supporting the day-to-day implementation of our communications strategy.

Kyran Haffenden

Work Placement – Project Support Officer

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Kyran Haffenden

Work Placement – Project Support Officer

Kyran is studying Business Management & Administration at East Sussex College in Eastbourne.
Kyran helps support the administration and management of projects at Transport for the South East.