Meet the Team

Our Exec Team

Dr Lee Juby

Dr Lee Juby is CEO of Fuel Cell Systems Ltd, a Chartered Engineer and Fellow of the IET with a doctorate from UMIST. He brings over 30 years’ experience in developing and commercialising advanced energy technologies.

His career includes senior roles at Rolls-Royce, Intelligent Energy, and NanoSUN, where he led major business transformations and hydrogen initiatives. Since January 2024, he has led Fuel Cell Systems’ growth and transition to series manufacturing.

Tom Chicken

Tom Chicken is CTO and founder of Fuel Cell Systems Ltd, and a recognised leader in hydrogen technology. He has led the development of innovative refuelling solutions, including the scalable HyQube system for large-scale operations.

His work includes key projects such as refuelling the UK’s first hydrogen train and advancing green hydrogen production, positioning him at the forefront of the energy transition.

Christopher O'Neill

Christopher O’Neill is Head of Operations at Fuel Cell Systems Ltd, with over 20 years’ experience delivering complex engineering programmes across defence and clean energy sectors. A Chartered Manager and Incorporated Engineer, he combines strategic leadership with hands-on execution.

He leads health, safety, quality, and end-to-end delivery across the hydrogen refuelling business, driving operational performance and supporting sustainable growth.

Joanne Griffin

Joanne Griffin is Head of Finance at Fuel Cell Systems Ltd, responsible for financial strategy, planning, and governance across the business. She oversees budgeting, forecasting, and financial controls, supporting executive decision-making and sustainable growth as the company expands its hydrogen systems operations.

Fuel Cell Systems Ltd

At Fuel Cell Systems, our team combines technical expertise with a shared passion for clean energy. We’re a close knit group of engineers, innovators, and problem solvers who value sustainability and collaboration. Every member of our team is committed to innovation, safety, and delivering reliable results for our customers.

Our Sales & Marketing Team

  • Henry Mills Sales Manager

    Henry Mills 

    Sales Manager

  • A woman with shoulder-length hair, wearing a patterned blouse and glasses on her head, smiling and holding a notebook with handwritten notes in an office setting.

    Rachael Barker

    Marketing Manager

  • A person in a black polo shirt with a "Fuel Cell Systems" logo, standing in front of posters related to fuel cell technology and Arctic observation.

    Joe Anderson

    Business Development Manager - Hydrogen Systems

  • Tony Samm

    Business Development Manager - Fuel Cells

  • Arran Cranstone

    Arran Cranstone

    Sales Executive

  • A woman standing in front of a promotional poster featuring a hydrogen refueler truck labeled HyFLYER and EMEC Hydrogen.

    Emily Underwood

    Sales and Marketing Administrator

Our Finance Team

  • Joanne Griffin

    Head of Finance

  • A man with a beard smiling while looking at a laptop, with an astronomy-themed tapestry in the background.

    Gaven Andrade

    Assistant Management Accountant

  • Man sitting indoors, looking at a computer screen, with a plant in the foreground.

    Adam Donovan

    Buyer

Our Operations Team