Martin Barnes


Martin joined us as CEO in February 2021 and was appointed to our Board just a month later.

With more than 30 years of C-Suite experience in the oil and gas, power transmission and renewable energy sectors, Martin is the perfect fit to take the business through to full commercialisation. His past work has included both small entrepreneurial businesses and FTSE 100 companies, combining proven delivery of engineering projects and technical consultancy with extensive experience in strategic energy consulting to private and public sector companies and governments.

He is all about building scale, accelerating the rollout of Crossflow’s turbines and exploiting commercial value. These skills are driving us forward in our next stage of development as we open new markets, attract further investment and realise our full potential.


Rebecca White

Commercial Director

Rebecca joined the Crossflow team as Commercial Director in January 2017, bringing with her more than 20 years’ worth of expertise across the engineering and project finance sectors.

With a passion for sustainable development and a background as a Mechanical Engineer, her experience and knowledge is invaluable to the business.

Rebecca works to drive Crossflow’s strategic performance at all levels. She is responsible for delivering the marketing strategy, achieving key milestones and creating initiatives, all designed to bring our ‘small wind’ technology to commercialisation.

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John Cunningham


With his vast company leadership experience in building and managing teams in growing technology businesses, John joined Crossflow in March 2020 as CTO to effect his demonstrable experience in product strategy, performance management, company finance and make a true difference.

He is a Chartered (Fellow) Mechanical Engineer with senior technical experience in standard and custom product design, including R&D, low to high volume production, high integrity machined products and in-house software development.

With diverse industry experience in Structural Engineering, Oil and Gas, Automotive, Renewable Energy, Fluid storage and Electrical contracting his wealth of knowledge is a true asset for Crossflow.

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