Meet our dedicated team

Bristol is where Sennen calls home. Our core team are based in and around the city, a hub that is home to many innovative businesses and a centre for green technology. We love what we do and are always happy to chat.

Don’t be shy, say hello.

Meet the team

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Gaby Amiel

Co-Founder and CEO

With over 15 years of experience in the renewable energy sector, Gaby has a deep insight into how technology can truly transform the renewable energy sector.

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Paul Grimshaw

Co-Founder and CTO

Paul is a creative and highly skilled software architect with a passion for the latest technology.  

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Alexandra Allen

Head of Operations

Head of Operations at Sennen, Alex’s areas of expertise include operational management, strategic planning, good governance and income generation.

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James Palmer

Head of Marketing and Communications

A strategic Head of Marketing professional with over 20 years of varied marketing experience across start-ups and large corporations.

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Rafael Dawid (PhD, CEng)

Offshore Development Lead

Rafael is an expert in using data-led decision making in renewables operations and maintenance. As a keen coder, Rafael has experience in both front and back-end development.

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Leigh Wiltshire

Principal Architect

Leigh is our Principal Architect, with over 20 years’ experience in designing and delivering innovative, intuitive solutions. He has been instrumental in the creation of our industry leading framework – a robust server that serves large amounts of data simultaneously to hundreds of clients.

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Alberto Lietor

Senior Software Engineer

Alberto is a data-driven software engineer with extensive experience on web applications and api integrations.

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Jakub Lech

Senior Software Engineer

As Senior Software Engineer at Sennen, Jakub focuses on the front-end of the platform, developing the framework, new components and dashboards for the smoothest possible user experience.

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Bob Merrison-Hort

Technical Product Lead

Bob is Technical Product Lead at Sennen, with an impressive background in building software, an MSc in Robotics and a PhD in Computational Neuroscience.

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John Vine

Product Designer

John is Product Designer at Sennen, with a background specialising in generative design in the built environment.

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Kate Johnson

Client Systems Administrator

Kate is Sennen’s Client Systems Administrator, with a breadth of experience onboarding projects, testing features and training end users.

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Anna de Buhr

Applications Engineer

Anna is a skilful systems developer, with several years of experience in the asset management of wind energy systems.

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Joanna Voight

Software Engineer

Jo is Software Engineer at Sennen, working in back-end development on the offshore side, with strong skills in Node and React.

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Stefania Cernegu

Software Engineer

Software engineer Stef works in backend development and data integration at Sennen. Her coding skills are impressively self-taught, with skills in JavaScript (Node.js), Java (Android, Spring), Neo4j and Agile Methodologies gained along the way.

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Kathleen Mackey

Technical Account Manager

Kathleen has spent the last 10 years working in business development for technology companies.

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Stuart Pringle

Business Development Consultant

Stuart is an independent consultant and heads up our commercial and new business efforts. Stuart brings more than 15 years of experience in technology business development roles across both financial services and renewable energy sectors.

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Why not have a chat with the team?

Let’s talk