About us

Our mission is to bring forward the widespread use of Free Piston Engines in distributed power and transport markets.

In response to the challenges of climate change and energy security, cleaner sources of energy such as wind, solar, biomass and biofuels are being developed across the world. The diverse, distributed nature of these new energy supplies creates huge opportunities for improved small scale energy conversion technologies. Different design and manufacturing approaches are needed to make the best use of these new fuels and to reduce waste wherever energy is converted.

Libertine was established in 2009 to create linear machines for this new world. We have drawn on decades of experience in the automotive and motorsport industries, consumer product engineering and low cost manufacturing techniques. The result is a suite of ‘Linear Power System’ technologies for use in a wide range of power generation, heating, cooling and transport applications. Libertine’s technology will help make decentralised power generation the norm, bringing clean, reliable and affordable power to wherever it is needed, transforming the lives of millions of people.

Our team

Sam Cockerill
Founder and Chief Executive

Sam was previously an independent management & technical consultant to the renewable energy industry & public sector. Sam was a member of the senior management team of Ensus, which he helped to develop from a project financed startup business in 2007 into one of Europe’s major bioethanol producers and successfully sold to CropEnergies in 2013. Sam has over 20 years’ experience in automotive engineering, consumer product development and strategy consulting. He is a chartered mechanical engineer and has an MBA from INSEAD.

Keith Jackson

Keith was founder and managing director of Pi Technology, an automotive control systems company whose engine controls are used on millions of vehicles around the world. Following the sale of the company to a major OEM he joined Rolls Royce Engines PLC where he worked as Chief Technology Officer in the electrical power and control systems group and later became the Chief Technology Officer at Meggitt PLC until May 2019. Keith is a Fellow of the Society of Automotive Engineers, a previous Rolls Royce Engineering Fellow and Royal Aeronautical Society Fellow. He is a Computer Science graduate from University College London.

Roger Allcock
Operations Director

Roger has been working at a senior level in the UK’s electrical machines and drives industry for over 30 years. His experience spans a wide range of product types including permanent magnet and induction motors and bespoke power electronics, and within the motorsport, aerospace, and oil & gas sectors. For the last ten years Roger’s focus has been on the development of hybrid electrical systems using high performance permanent magnetic devices. Roger is a Fellow of the IET.

Srinivas Mallampali
Chief Technology Officer

Srinivas joined Libertine in 2020 following seven years of experience at General Electric (GE) Global Research in India and the US, where he led global R&D teams on project applications ranging from appliances, healthcare, aviation and oil & gas. Srinivas holds a Master of Technology in Power Electronics, Electrical Machines and Drives from the Indian Institute of Technology, Delhi. He also holds a Bachelor of Technology in Electrical and Electronics Engineering, Anna University, Chennai, India. In 2020 Srinivas completed his PhD at the Electrical Machines and Drives group at the University of Sheffield.

Simon Enstone, Business Development Officer
Simon Enstone
Business Development Officer

Until 2015 Simon was Vice President for Corporate Strategy and Planning for Nissan’s operations in Europe and Russia, leading strategy development in Europe including the introduction of zero emission vehicles. Simon has over 25 years’ experience working in the global automotive industry across technical, financial and general management disciplines in the UK, Europe and Japan. Simon is a Fellow of the Institution of Mechanical Engineers. He is a Mechanical Engineering graduate from Warwick University with an MBA from Warwick Business School.

Sir Rob Margetts
Advisor and Investor

Rob Margetts is Chairman and co-founder of Ensus, Chairman of the Energy Technologies Institute, Deputy Chairman of PJSC Uralkali and a Non-Executive Director of Huntsman Corporation. He was on the Main Board of ICI from 1992 becoming Vice Chairman from 1998-2000 and has since held board roles on several FTSE100 companies including chairman of Legal & General and the BOC Group. He is a Fellow of The Royal Academy of Engineering and the Institution of Chemical Engineers.

Sir Robin Saxby
Advisor and Investor

Sir Robin Saxby holds a BEng Electronics 1968, Hon DEng 2000. He is a Fellow of the Royal Academy of Engineering, Fellow of the Royal Society and visiting Professor at the University of Liverpool. He is the Technology entrepreneur who served as chairman, president and chief executive of ARM Holdings plc., retiring from ARM in October 2007. He serves as Angel investor and advisor to various technology start-ups.


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