About

Our Team

Celtic Renewables Ltd is an innovative start-up company formed to commercialise a process for producing a superior next generation biofuel and other high value sustainable products, from the by-products of biological industries.

  • Prof. Martin Tangney OBE

    Founder and President

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    Prof. Martin Tangney OBE

    Founder and President

    Internationally recognised expert in microbial biofuel production, particularly biobutanol. Professor Tangney is Director of the Biofuel Research Centre at Edinburgh Napier University, which conducted the innovative research to develop the fermentation technology being commercialised by Celtic Renewables. Martin advises the Scottish Government on biofuels, and represents the government on its MOU with India on Renewable Energy. Martin is a prominent international speaker in the biofuel area and regularly features in the media, and his international profile, domain expertise and connections will be hugely beneficial to Celtic Renewables Ltd.

  • Dr Doug Ward CBE

    Chairman

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    Dr Doug Ward CBE

    Chairman

    In a long and distinguished career, spanning over 35 years, Doug Ward established himself as one of the most influential people in Scotland’s biofuel, agriculture and food & drink industries. Roles included: Managing Director of William Forrest and Sons (key role in BSE crisis); founder of Argent Energy which constructed a £15 million biodiesel plant (first facility of its kind in the world producing diesel entirely from waste oil sources). Doug serves as the Vice-President of the European Biodiesel Board and former Chairman of the Renewable Energy Association transport fuels group. He is a leading international authority on biofuel and a key influencer on policy in the UK and the EU.

  • Mark Simmers

    Chief Executive Officer

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    Mark Simmers

    Chief Executive Officer


    Mark is an entrepreneur and commercialisation specialist with over 20 years of international experience in sales, marketing and business development. In 2011 Mark graduated from the highly prestigious Saltire Foundation Global Entrepreneurial Fellowship Programme, which included a fast-track MBA programme at Babson College, Boston USA. Mark helped to co-found Celtic Renewables in late 2011, and has been the company’s CEO since its inception leading the rapid growth of the company, which has seen its technology proven at pilot commercial scale leading to establishing it at industrial scale by 2017. Mark has won numerous investment pitching and business presentation awards on behalf of Celtic Renewables, and has built a strong and dynamic team at the company.
    Mark graduated from Bristol University in Economics and Accounting and started out his career with the International Management Group in London working with a team commercialising and managing the global golf assets of IMG. Mark founded and managed his own events and promotions company in Scotland from 2001-07.
    Mark is married with three children, and is a keen sportsman in his spare time.

  • John Stevenson

    Projects Director

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    John Stevenson

    Projects Director

    A Registered Project Professional with over 30 years of international experience leading the design, development and delivery of major capital process and construction projects.
    An electrical engineer with a control and automation bias, John has delivered a significant portfolio of projects across a number of sectors including petrochemical, water, energy and latterly, the whisk(e)y sector, including leading the delivery of the ground breaking and iconic Tullamore Distillery in Ireland.
    He is an active member of the Association for Project Management, Institute of Engineering Technology and the Institute of Brewing & Distilling and a professional mentor to several aspiring graduate engineers and project managers.
    Combining a technical background and commercial skills acquired in several clients, consultant and contractor roles, John is leading the engineering and project development capability of Celtic Renewables.

  • Stewart McGarrity

    Finance Director

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    Stewart McGarrity

    Finance Director

    A Chartered Accountant with 35 years of experience, Stewart has held senior financial positions in a wide variety of businesses. Following 6 years with Deloitte in Zimbabwe and Hong Kong he has held senior financial roles in Infrastructure development, property investment and the oil and gas sectors in Hong Kong and the UK. Most recently he was Finance Director of an AIM listed company. Stewart’s key skills include developing and maintain financial plans and forecasts and negotiating a wide range of commercial agreements as well as implementing high quality reporting, performance monitoring and financial controls.

  • Jim Purves

    Chief Operating Officer

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    Jim Purves

    Chief Operating Officer

    An engineer and senior manager with more than 25 years of international experience in operations, project and technical management. Jim has managed the development of products from concept stage to market and built manufacturing facilities in the UK, USA and SE Asia. He directed operations for a leading commercial laboratory in the USA and more recently has managed EU funded programmes in key industry sectors (including the biofuels sector) supporting applied research, technology development and commercialisation.

  • Dr Kenneth Leiper

    Chief Technical Officer

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    Dr Kenneth Leiper

    Chief Technical Officer

    Biochemist with 20 years’ experience of research, development and quality control in the brewing, distilling and biofuel sectors. Kenneth was a researcher on the whisky co-products to biofuel Proof of Concept project at Edinburgh Napier that led to the establishment of Celtic Renewables. His current role is to lead laboratory and pilot-scale work covering enhancement of the ABE fermentation process and assessment of novel substrates.

  • Dr Eve Bird

    Head of Research and Innovation

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    Dr Eve Bird

    Head of Research and Innovation

    Eve is a post-doctoral microbiologist who has over 10 years' experience culturing solventogenic clostridia. She was involved in the development and promotion of The Biofuel Research Centre at Edinburgh Napier University since its establishment in 2007.

    She has critical domain expertise in bacterial sugar transport and metabolism. Eve has acted as a research consultant for the Biofuel Business Programme and taken on teaching and supervision roles at the University.

    She designed and oversaw the technology requirements of the Celtic Renewables bespoke ABE process, which grew from laboratory development to industrial scale.

  • Denise Devenny

    Plant Operations Director

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    Denise Devenny

    Plant Operations Director

    Denise is a production leader with almost 20 years of practical operational experience, mainly within the distilling industry. A scientist by background, she is a practical leader with previous experience of transforming a greenfield site to an operational production site, with subsequent expansions. Denise has a strong background in compliance and management systems with a personal interest in, and experience of, developing and continually improving a desired culture within a new site and the ongoing development of a newly formed team.

  • Lee-Anne Mills

    Project Support Engineer

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    Lee-Anne Mills

    Project Support Engineer

    Lee-Anne is a committed Professional with a considerable background in Commercial, Operational and Project based roles within Oil and Gas and the Ship Building industry. She possesses a strong analytical ability and sound understanding of business practices. She has established project, leadership, stakeholder engagement and planning skills.

  • Richard Bell

    Process Engineer

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    Richard Bell

    Process Engineer

    Richard is a chartered process engineer with 10 years of experience in the chemical and biotechnology manufacturing sectors. His experience includes process design, project engineering, plant operation and optimisation as well as process development and scale-up. He has strong knowledge in the design, commissioning, operation and optimisation of industrial unit operations relevant to the Celtic Renewables process including fermentation, solvent distillation and solid/liquid separation. Richard has previous experience of scaling-up fermentation processes from lab to industrial scales as well as technology transfers from one manufacturing site to another, both applicable to the Celtic Renewables business.

  • Brodie Campbell-McRae

    Graduate Chemical Engineer

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    Brodie Campbell-McRae

    Graduate Chemical Engineer

    Brodie joined Celtic Renewables immediately after finishing his Master’s in chemical engineering from the Heriot-Watt University, Edinburgh. Brodie received several awards in engineering design and techno-economics. While at Celtic Renewables, Brodie has undertaken the development, design, and delivery of various work packages; particularly solvent recovery and fermentation scale-up. Brodie works closely with senior members of our team to identify value engineering improvement opportunities and this key integration in the senior team has ensured that the inevitable growth in experience and knowledge will remain within the company, breeding the kind of valuable expertise that only develops over time.

     

  • Anna Hyde

    HR Manager

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    Anna Hyde

    HR Manager