Handpicked from diverse skill sets within the scientific community

Our people collaborate and implement cutting-edge R&D to understand how to tackle the plastic pollution problem facing society today.

The Board

Niall Dunne

CEO & Board member

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Skills and experience

Niall joined Polymateria as CEO in January 2018 from British Telecom where he was their CSO. Previously Niall led the creation and growth of sustainability practices at Accenture and Saatch & Saatchi.

The World Economic Forum selected Niall as Young Global Leader in 2012 and he has sat on a number of their Global Agenda Councils.

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Niall Dunne

CEO & Board member

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Jonathan Sieff

Founder & Chairman

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Skills and experience

Jonathan has 20+ years experience across retail, manufacturing and the distribution business, with a special focus on multi-consumer brands and intellectual property. Prior to setting up Polymateria, Jonathan founded Fashion lab, a dynamic manufacturing group, which was acquired by a global sourcing and logistics company. He has worked on multiple branding and distribution business, and is also active in many foundations and charities.

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Jonathan Sieff

Founder & Chairman

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Lee Davy-Martin

Founder & Board member

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Skills and experience

Lee has over 10 years of experience acting as a partner within a number of London’s top global accountancy firms. During his career, he has advised many technology start-ups and has guided a number of those through successful exits. His experience in the accounting sector and entrepreneurial outlook has led him to making a number of investments in the technology sector, and he has started a number of businesses as the founder.

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Lee Davy-Martin

Founder & Board member

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The team

Andrew Webster

COO

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Skills and experience

Andrew Webster is Polymateria’s Chief operating Officer bringing 25 years of commercial, financial and management experience across multiple industries. Andrew was latterly the Managing Director of the UK licensed apparel arm of Global Brands Group, where he was part of the founding team that built the business from scratch through to trade sale.

Andrew is a keen sportsman, having captained English Universities at cricket and follows most sports mainly through his 2 children now, from the side of the playing fields. Andrew’s wife is the founder of Beyond The Schoolrun, a social enterprise helping mothers re-skill and re-enter the workplace in a way that fits around their parental activities.

Dr Christopher Wallis

VP, Innovations

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Skills and experience

Chris (MRSC, MRSB) leads Polymateria’s Innovations team, made-up of chemists, polymer scientists and analytical experts, in the design, development and testing of biotransforming plastics. He also oversees the company’s extensive network of third-party prototyping and certification laboratories to assure the quality and safety of the company’s technology. In addition, Chris is the industrial supervisor to Polymateria’s University collaborations as well as representing the company’s open-source approach to new biodegradation standards on international committees and national policy panels.

Chris also manages the IP strategy and portfolio of the company, alongside the leadership team, to achieve maximum commercial deployment of our technology per territory.

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Dr Christopher Wallis

VP, Innovations

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Dr Hery Randrianantoandro

VP, Sales & Marketing

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Skills and experience

Hery joined Polymateria in September 2018 bringing over 17 years of leadership experience, knowledge and an extended network across the global plastic value chain and the petrochemical industry. Before joining Polymateria, he led the new business development initiatives at Synthomer plc, developing and establishing the group within a range of adjacent and attractive new markets. He was also actively involved in the development and execution of Synthomer’s sourcing strategy across a range of strategic raw materials.

Previously, Hery led SABIC’s polymer healthcare segment, establishing the group as an emerging global leader in the sector. Before SABIC, he managed INEOS group’s European Polypropylene (PP) business and held a number of management and technical roles at BP Chemicals from demand and supply planning management, to customer technical support and product development.

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Dr Hery Randrianantoandro

VP, Sales & Marketing

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Skills and experience

Karam is a Chartered Accountant and a Mechanical Engineer by training. Karam is our CFO, combining his deep experience working in blue chip organisations and in the plastics recycling industry with a personal passion for innovation and technology focused on the environment.

Karam has led growth transformation programmes at BT, delivering margin improvements of over £25m per annum. Karam is also on the Board of Directors of Extrupet Group, Africa’s largest plastics recycler, which recycles over 1 billion PET bottles per annum.

Yuri Gorbunov

Head of Technical Sales & Marketing EMEA

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Skills and experience

Yuri is based in the Netherlands and joined Polymateria in July 2019. Yuri brings over 15 years of commercial and management experience from across the globe. Having obtained university degrees in languages and international management, Yuri has worked in eight different countries on four different continents, he currently manages the network of regional distributors and direct customers throughout EMEA and Latin America.

Before joining Polymateria, he was developing and managing sales strategies for dedicated regions, providing leadership and coaching to regional sales teams at ColorMatrix Europe Ltd. As a recognition for continuous sales growth contribution, he was honoured to represent the company at the Reception given at Buckingham Palace by the Queen and the Duke of Edinburgh for the Winners of the Queen’s Award for Enterprise. Yuri is a keen adventurer, who summitted Elbrus and Kilimanjaro, a freelance Survival Instructor at Bear Grylls Survival Academy, a holder of Private Pilot Licence and a martial artist.

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Yuri Gorbunov

Head of Technical Sales & Marketing EMEA

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Chai Mui Teck

Head Of Sales – South East Asia

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Skills and experience

Chai is responsible for South East Asia and Taiwan. Chai is based out of Singapore and works with brands, converters, manufacturers and government sectors commercialising Biotransformation across the region. Before joining Polymateria, Chai was Director of Sales for Milliken South Asia’s Plastic Additive business, responsible for sales in ASEAN, Taiwan, Australia, New Zealand and India. During the ten years before joining Milliken Chemical, Chai was working for Chevron Phillips Chemicals Asia in various positions to help growing their HDPE business in Asia. Chai earned a bachelor’s of science degree in chemistry from National University of Singapore 1991.

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Chai Mui Teck

Head Of Sales – South East Asia

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Steve Horrocks

Global Key Account Manager

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Skills and experience

Steve has over 20 years of commercial experience in the plastics industry, having worked in international roles at ColorMatrix Group, PolyOne and Hubron International.

His career has led him to roles based out of the UK, France, Hong Kong and Russia, with experience across relationship management of global brand owners and key account management to successfully establishing business units in Asia and Russia creating teams and implementing systems to facilitate operations in those markets.

Steve studied French and Russian to degree level as well as gaining a Bsc recently through distance learning on conceptual product design, focusing on the environment, sustainability and cradle to grave product life cycles.

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Steve Horrocks

Global Key Account Manager

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Veronica Pujadas

Commercial Logistics Manager

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Skills and experience

Veronica is our Commercial Logistics Manager, she joined Polymateria in October 2019 to ensure that our testing, manufacturing, and distribution can scale and handle the demands of our growing business. With a background in Business Administration and Finance, she brings great experience from Akzo Nobel where she worked as a Logistics Export Specialist leading a small team and Newport Industries, a Global Distribution of Chemicals and Raw Materials where she worked as a Logistics Coordinator and Supply Chain. Responsible for coordinating air/ocean imports and arranged for timely delivery of cargo to customers.  Provided customer service related to international accounts. Negotiation and procurement of goods and services, Freight cost reduction by 25%. Veronica boosted all logistics procedures making them more viable than before. Committed to identifying and implementing continuous improvements in the Supply Chain.  Able to assist each vendor individually even in the most challenging scenarios. Veronica is passionate about yoga and a strong believer in the power of positive thinking.

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Veronica Pujadas

Commercial Logistics Manager

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Jack Sieff

Business Development

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Skills and experience

Jack has a BS in business administration after graduating from Babson college in 2018. Before Joining Polymateria, Jack was working as analyst for the global real estate development firm, Chelsfield. During his time at both Babson and Chelsfield he has developed a diverse skill set in finance and marketing.

Jack has strong interpersonal skills and hence oversees business development here at Polymateria since joining in October 2019. He handles the growth of new clients and sustaining their interest in Polymateria by working on their commercial progress and their marketing requirements. Jack is always looking for new opportunity on how to expand Polymateria’s reach.

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Jack Sieff

Business Development

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Mixa Shah

Finance Administrator

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Skills and experience

Mixa joined Polymateria in early 2020, she is a ACCA qualified accountant and has a varied range of book-keeping, financial accounting, management accounting, finance business partnering and financial planning and analysis (FP&A) experience in the Professional Services sector (National Economic Research Associates NERA), Food and Drink sector (Tetley Tea), Telecommunications Start-up (Celona Technologies) and Banking Payments Software Sector (ACI Worldwide Inc). Mixa is a life-long learner and recently attained a BSC Hons degree in Social Sciences and MBA with the Open University.

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Mixa Shah

Finance Administrator

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Kay Clayton

EA to Dr Chris Wallis

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Skills and experience

Kay joined Polymateria in early 2020, as Executive Assistant to Dr Christopher Wallis, having previously supported incubators across Central London. She has previous experience supporting start-up organisations from seed to series A, heading performance reporting, investor communications and c-suite co-ordination.

Kay’s passion for pro bono organisations and social inclusion has led her to work with various local charities over the past five years, offering engagement, advocacy and support wherever possible. Kay is fluent in English, French, British Sign Language and Makaton.

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Kay Clayton

EA to Dr Chris Wallis

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Chloe Points

EA to Niall Dunne

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Skills and experience

Chloe joined Polymateria in 2017.

She has a Batchelor of Science in Business and Retail from Manchester University.

Chloe has several years experience in operations, management and implementing strategies for risk management. Previously she held  EA roles at Cadogan Estates, The Financial Times and the Walpole Luxury Trade Body.

Chloe has completed a number of Raleigh international charity projects and the Duke of Edinburgh Gold award. She has LAMDA Public speaking grades 1,2,3.

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Chloe Points

EA to Niall Dunne

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Dr Gavin Hill

Technical Innovations Manager

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Skills and experience

Gavin oversees the development and applications of different testing methodologies and how new techniques can be applied to improve our scientific understanding. In addition, he liaises with the commercial team to support the adaptation of Biotransformation additives. Gavin also oversees the smooth running of the lab, ensuring instrumentation is calibrated, providing training and experience to technicians on new techniques as they are developed. With a background in polymer science, Gavin is also responsible for ensuring that testing and analysis is conducted correctly and to translate the science to the commercial team.

Gavin attended the University of St Andrews in Scotland, where he obtained a BSc (Hons) in Chemistry with Catalysis and then carried out a PhD on Synthesis and Testing of Novel Biodegradable Surfactants; this research was partly industry funded. After finishing his PhD, Gavin moved to the Vrije Universiteit – Brussels, to the Physical Chemistry and Polymer Science group where he worked on several individual and collaborative projects. Gavin was brought in to try and create a polymer synthesis platform for new projects within the department which excelled at many aspects of polymer analysis such as rheology and calorimetry, in return Gavin was able to broaden his understanding of polymer properties and analysis. In 2016, he returned to the UK and has brought his experience and understanding of polymer chemistry and analysis to Polymateria, where he is working on new techniques for studying the degradation of plastics as well as developing a new range of additives that will more effectively lead to a controlled breakdown and biodegradation of traditionally non-biodegradable materials.

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Dr Gavin Hill

Technical Innovations Manager

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Florence Huynh

Research Innovations Manager

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Skills and experience

Florence oversees the management of various R&D projects dedicated to the design, development and testing of plastics containing Biotransformation technology. Additionally, she manages the network of external third-party laboratories for the independent certification of Polymateria’s technology. She also handles Polymateria’s portfolio of external funding application and awards.

Florence graduated from the INP-ENSIACET engineering school in Toulouse, France before carrying out a PhD on developing novel methodologies for the chemoenzymatic synthesis of sesquiterpenes at Cardiff university. She developed expertise at the interface between chemistry, biology and engineering and brought her experience in chemistry and understanding of biochemistry to Polymateria to develop cutting edge techniques to study the biodegradation of plastics containing Polymateria technology.

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Florence Huynh

Research Innovations Manager

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Sarah Ho

Development Innovations Manager

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Skills and experience

Sarah joined Polymateria in April 2020 as the Development Innovations Manager, supporting clients in the design and development of new plastics via implementation of our biotransformation technology.

Sarah completed a BSc Chemistry at Imperial College London and a MPhil Chemistry at the University of Cambridge. After which, she read for a PhD with Imperial College London, focusing on the mechanistic studies on photochemical reactions of metal carbon bonds with oxygen. During her PhD, she collaborated in an extended research exchange programme with the University of Pennsylvania.

Simultaneous to her PhD studies, Sarah was involved in the set-up and launch of an innovative project funded by Enactus UK; in this she developed a variety of coffee-based skincare products from recycled coffee grounds, with the aim of reducing food waste.

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Sarah Ho

Development Innovations Manager

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Celine Moreira

Analytical Scientist

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Skills and experience

Celine is part of the innovations team and her work as an analytical chemist focuses on the physical and chemical testing of biotransforming plastics. She is also responsible for formulating in-house testing reports and coordinating out-of-house analysis with third-party certified laboratories. Celine obtained her degree in biological resources at the Institute of Engineering in Porto, Portugal which provided her the skills to ensure a rational and sustainable management of biological resources, as well as, the development of bioproducts for the food, cosmetic and pharmaceutical industry. She also learned the fundamental knowledge of solving environmental challenges, such as soil and water remediation.In addition, Celine performed a European Project Semester at the School of Engineering in Tarbes, France which focused on the development of a bio-based conductive adhesive.

In 2018, Celine moved to London and enrolled on a part-time Master’s in Environmental Engineering, shortly after she joined Polymateria.

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Celine Moreira

Analytical Scientist

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Faith Ly

Analytical Scientist

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Skills and experience

Faith completed her Integrated Master’s degree in Medicinal Chemistry at the University of Leeds. In her role at Polymateria, Faith supports the testing and development of our technology in our laboratories. She is passionate about the complexities, commonalities and functionality found in biochemical research and utilises her knowledge to facilitate a comprehensive understanding and analysis of the biochemical processes found in the biodegradation of plastics.

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Faith Ly

Analytical Scientist

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Richard Lloyd

Analytical Scientist

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Skills and experience

Richard read for his BSc in Chemistry at Nottingham Trent University, after which he completed a PGCE in Science Teaching with a Chemistry specialism and committed 11 years to academia. Richard’s knowledge, technical skill-set and laboratory management experience are key to his role at Polymateria, in which he supports the testing and development of our technology in our laboratories. He is an ardent advocate of our company’s technological rigour, mission and focus on positive global impact.

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Richard Lloyd

Analytical Scientist

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Life at Polymateria