The Directors

Mark Duffin

Chief Executive Officer

Mark Duffin CEO for Nanosynth Group is a qualified Engineer with an MBA. He has extensive experience & leadership in business growth, with skills that include leadership in sales/operational management, restructuring, fund raising, increasing profitability, market share & leading teams with extensive cross-cultural experience to build shareholder value. He specialises in P&L Management, Board Management, M&A, Start-up’s, Turnarounds, Private Equity & VC Funding, Negotiations, Financial & Business Modelling, Risk Management, Sales & Operations & Cash Management

Gareth Cave


Gareth Cave Non-Executive Director of Nanosynth Group is a university chemistry lecturer at Nottingham Trent University and has spent his academic career researching the many applications of nanotechnology, from drug delivery systems to plant food.  Beyond academia, as an active consultant, he shares his knowledge and know how into a plethora of industries including pharmaceutical, healthcare, materials, agricultural, food and drink industries.  In 2015 he formed Pharm2Farm Ltd, as a university spinout, to help realise the full commercial potential of this nanotechnology research. His world leading academic research and international network, from celebrity chefs to Nobel Laureates, continues to supply a strong pipeline of innovation and collaborative opportunities to Pharm2Farm and Nanosynth group.  He has B.Sc., M.Sc., and Ph.D. chemistry degrees from the University of Warwick, is an active member of the Royal Society of Chemistry and has worked as an academic in UK, USA and Australian universities over the course of his career.

Richard Clarke

Non-Executive Chairman

Richard Clarke Non- Executive Chairman of Nanosynth Group is a Chartered Accountant and has spent the majority of his career in senior executive roles in technology companies involved in aerospace, electronics, optics, semiconductors and nanomaterials.  His experience includes business restructuring, scale-up, acquisitions and joint-ventures, equity and debt financing and corporate governance, having served on the corporate governance committee of the ICAEW for a number of years. He is currently finance director of PowerPhotonic Limited, a manufacturer of advanced micro-optics for the laser industry. Prior to joining PowerPhotonic he was finance director of Xennia Technology Limited, a developer of industrial inkjet systems, which was sold to Sensient Corporation in 2015. He has a degree in economics from University College London (UCL) and an MBA from the University of Bath.

Felicity Sartain

Non-Executive Director

Felicity Sartain Non- Executive Director of Nanosynth Group has a multi-disciplinary background established over 15 years including leadership, commercial and research in the healthcare, life science and nanotechnology sectors. She holds a PhD in biotechnology from the University of Cambridge and an MSc in chemistry at the University of York. She was a co-inventor of the original technologies at Smart Holograms, a Cambridge University spin-out that designed and developed novel biosensors. Felicity co-founded and was the Chief Operating Officer of Closed Loop Medicine Ltd, a company developing therapeutic combination products. She is a Director at Profiscio Ltd, a consultancy business to support the translation and manage the development of scientific innovation.

Jeremy McNamara


Jeremy McNamara Group Chief Operating Officer of Nanosynth Group has over 20 years’ experience in major international B2B companies including IT solutions and retail corporations. His decisive and pragmatic approach is key to delivering results. Originally qualifying as a chartered accountant, he holds a BSc in Operational research and Management. Jeremy is a highly experienced business leader and held many positions in operational excellence as CEO, CFO, COO, Managing Director & Marketing Director during which he managed the integration of a €200m business in 20 EMEA countries post-acquisition. His intensive international excellence and financial understanding of business turnaround is a consistent track record of delivering revenue and profit growth in many sectors.

Linda Saleh


Linda Saleh Human Resource Director for Nanosynth Group has over 25-year Human Resources experience in the public, private and voluntary sectors and has learned at close hand to identify the finance and funding challenges which direct decision-making in each organisation before embarking on any project. Her experience spans IT, finance, leisure, logistics, construction, engineering, manufacturing, agriculture, environmental, higher education, and call centre operations. She also works with a legal firm preparing, defending, or advising on the commercial settlement of Claims in the UK Employment Tribunals. She is known as an innovator in business improvement methods with remarkable measured achievements in retaining loyalty among workforces during times of change. She has a track record of establishing new HR departments, training new teams, delivering cost and efficiency savings in existing structures, developing new business, and achieving measured improvements in the satisfaction of both internal and external.

Andrew Stedman


Andrew Stedman Chief Financial Officer for Nanosynth Group is results driven & commercially focused. Andrew Stedman joined Angel Share Capital to help underpin the financial rigour and commercial support of ASC as the business moved into its next phase of growth. Andrew’s focus throughout his career has been on driving incremental value through commercial challenge, cost transformation, stringent and inventive performance management techniques in conjunction with cash improvement to provide a sustained platform for business start-up and growth. A career that spans over 10 years in Senior Finance, in leadership roles across a number of FTSE 100 organisations.  These Sectors have ranged from Recruitment, Engineering, Environment to IT and Telecoms, in regions stretching from Europe, US and across Asia, building strong and sustained networks throughout. Andrew’s experience has led to roles ranging from Business Case Modelling, Budgeting / Forecasting, Contract Evaluation, Performance Management, Pricing and Portfolio Management, Strategic Planning, Outsourcing to Cost and Margin Transformation.