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About us

GPC is an innovative polymer and product development company based in Galway’s MedTech Hub since 2017.

On-site services include state-of-the-art formulation, film, and sheet extrusion, with multi- and barrier-layer capability, as well as production and testing.

GPC provides incisive, practical, and cost-effective solutions to enhance product functionality, safety, and sustainability for life science companies globally

Our mission is transforming advanced materials knowledge, know-how and services into sustainable, practical business solutions. 

We are dedicated to combining the best materials, design and sustainability thinking; an approach that is proving invaluable to clients seeking to generate real competitive advantage. Our breadth and depth of experience in materials, technology and operations, coupled with specialist knowledge of sustainability, means that we are ideally placed to help companies manage systems and product risks arising due to materials; and to  support sustainable approaches to product development and manufacture.


  • Fundamentals first

  • Persistence

  • Sustainability

Operating principles:

  • Combine and apply the best materials, manufacturing and business thinking

  • Perform exactly like the requirement or change it to what our customer really needs

  • Deliver lasting value

  • Global reach and outlook

Meet the team

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David Johnson

Chief Technical Officer

David has extensive national and international technical leadership experience, with over 30 years spent in R&D and operations roles within the plastics and silicone Industry in North America, Europe and South East Asia. He is inventor and designer of several innovative devices and products, holds a number of patents, and has published many peer reviewed technical papers. David holds a BSc (Hons) in Polymer Technology from Athlone Institute of Technology, and a PhD in Advanced Materials from Cranfield University, UK where he undertook research for BASF, Ludwigshafen. He has extensive experience supporting companies in the design, development, manufacture and analysis of engineered products and has served as Engineer, Director and Chief Technical Officer. Prior to founding Global Polymer Consulting, David worked for a number of companies including Teleflex, Medtronic, Inamed (Allergan) and Tech Group. David also holds an MBA from Durham University Business School, with distinction. David’s recent projects include: an EU H2020 funded project aimed at removing endocrine disrupting chemicals from medical devices; development of a novel hemostasis device, rationalisation of functional testing for medical masks and material formulation for long service life polyolefins. Most recently, David completed two assessments of the impact of European Green Deal policy initiatives on healthcare products and how best to reduce related risk, environmental impact and material costs.


Sarn-ii Baru

R&D Materials Engineer

Sarn-ii has outstanding qualifications in advanced polymer processing, biomedical materials and analytical testing, and is an experienced biomedical engineer. Sarn-ii recently completed a Ph.D. at South East Technological University (SETU) (formerly Waterford Institute of Technology), on Graphene-loaded Nanocomposites for Biofilm Prevention in Medical Devices (Science Foundation Ireland Fellowship project in partnership with Teleflex Medical Europe Ltd). At SETU, Sarn-ii was instrumental in setting up state-of-the-art supercritical fluid assisted extrusion (sc-CO2) and compounding lines. He also holds an M.Eng. in Biomedical Engineering and a B.Eng. in Polymer Engineering. Sarn-ii previously worked for Zensorium Ltd. (Biosensing technologies) and RI Technologies Limited.

Mike Martyn

Senior Materials Consultant

Mike has over 40 years’ experience in materials processing and R&D. He has worked in R&D positions in the UK and North America and holds a BSc (Hons) in Mechanical Engineering (Preston Polytechnic, UK) and a PhD in Materials Engineering (Loughborough University, UK). Mike previously worked as Technical Manager at Technical Ceramics Labs, Georgia, USA. He has spent the past 25 years as Senior Lecturer in Polymer Engineering at Bradford University, serving as Research Fellow and Processing Laboratory Manager within the IRC (Polymer Interdisciplinary Research Centre). Mike has worked with several leading international polymer and medical companies in product development and processing using injection moulding, extrusion and film processing technologies. He has advised on optimising processing parameters for new polymer grades, biomaterials and bioresorbable product development. Mike is author of 89 peer reviewed journal publications and technical articles covering polymers and biomaterials, and has presented at over 60 international conferences.

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Deborah Lowe

Design Consultant

Deborah holds qualifications in CAD, design and printing, as well as further qualifications in education, training and coaching. She also has international experience having successfully led a start-up company in the Middle East. Deborah is passionate about learning and development, is a talented researcher and is qualified to Master’s degree level (National University of Ireland, Galway), with distinction. Deborah’s recent projects include designing a novel transradial device and sustainable development training programmes.

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