Our Leadership Team

Serve together the interests of the company

The QuantuMDx leadership team is committed to serving the interests of the company and achieving sustainable growth.

Our Chairman and Board

Professor Sir John Burn

Sir John is Chairman of the Newcastle upon Tyne Hospitals NHS Foundation Trust, Professor of Clinical Genetics at Newcastle University, led the regional NHS Genetics Service for 20 years and helped to create the International Centre for Life.

Jonathan O’Halloran

CEO - Chief Executive Officer
Jonathan is the co-founder of QuantuMDx, former Chief Scientific Officer and inventor of many of its proprietary technologies. Jonathan has a specialist interest in antimicrobial resistance (AMR) and was a diagnostics advisor for the O’Neill Review. He was awarded European CTO of the Year in 2015.

Elaine Warburton

Non-Executive Director
Elaine is the co-founder and former CEO of QuantuMDx. She is an entrepreneur with over 30 years’ healthcare and biotechnology experience. Elaine took QuantuMDx from concept to product, raising over £50m in both equity and grants. Elaine has raised over £100m in funding as an entrepreneur and was awarded an OBE for services to innovation in healthcare in 2014.

Nigel Williams

Non-Executive Director
Nigel is the former CEO of Barclays Global Investors – Europe & Asia. As one of QuantuMDx’s earliest investors, Nigel has played a key role in supporting the management team in navigating the challenges of operating as a start-up.

Dr Mirre de Noo

Non-Executive Director
Mirre is the Chief Executive Officer of Reggeborgh Medical and a Consultant Surgeon at Xpert Clinics, a private specialist medical service provider with 30 locations across the Netherlands. Mirre has over 20 years of experience in healthcare, strategy and innovation.

James Yan

Non-Executive Director
James is the managing partner and co-founder of Vita Spring IVD Fund, who participated as the institutional investor, and support the management team in fund raising and strategic development. Prior to his investment career, he worked as an investment banker for seven years and was an Executive Director in Goldman Sachs.

Tony Tan

Non-Executive Director
As one of QuantuMDx’s earliest investors, Tony has played a key role in supporting the management team, providing key strategic advice and guidance.

Our Senior Management Team

Martin Walton

CFO - Chief Financial Officer
Martin has over 25 years’ experience of working with large global companies. He previously set up and managed Excalibur Medicines Ltd, he sits on the Board of Interrad Medical and is a Partnership Board Member of the Liverpool Life Sciences Accelerator.

Diran Guiliguian

CCO – Chief Commercial Officer
Diran has over a decade of experience working within world-leading diagnostic and medical device companies. Most recently, Diran was Head of Central Lab Solutions for EMEA at Siemens Healthineers where he led the introduction of the company’s COVID-19 testing solutions.

Justine Ladd

VP Finance
Justine is a Big Four qualified FCA with 25 years’ finance experience from start-ups/SMEs through to FTSE 100, including managing the FP&A and Financial Reporting teams at Sage.

Marie Whitehouse

VP Operations
With over 10 years’ experience in operations management, Marie has played an integral role in the growth and development of the company. Marie oversees corporate services, HR, IT, facilities, procurement and supply chain management at QuantuMDx.

Andy Whittle

VP Manufacturing
Andy is a specialist in global operations and manufacturing with over 20 years’ experience leading teams to establish and optimise manufacturing at ThermoFisher, Novartis, Vivacta and Jupiter Diagnostics.

Caroline Alexander

VP Quality & Regulatory Affairs
Caroline is an experienced Quality and Regulatory Affairs professional with a proven track record in designing, implementing and maintaining excellent quality management systems across a number of healthcare-related industries. Caroline has over 10 years’ experience specifically in the In Vitro Diagnostic medical devices sector.

Robin Page

VP Research and Development
Robin is a specialist in biosensor technologies with over 18 years’ experience working in academia and industry. Robin has in-depth experience of molecular biology and surface chemistry and currently leads our project management team.

Fiona Smith

VP Marketing
Fiona is an experienced marketeer in the life sciences sector with over 20 years’ experience in IVD. She has held a variety of roles in the international IVD market including sales, marketing and scientific support. She most recently worked for Abingdon Health PLC, where she was responsible for Global Marketing, Customer Services and Strategic Partnerships.

Jennie Orton

VP Sales
Jennie has over 25 years of experience working for leading companies across the pharmaceutical and diagnostic sectors in a wide range of roles including sales and marketing, policy and reimbursement and management.

Patrick Gray

VP Customer Success
Patrick has been in commercial roles for 25 years, and for the last 15 years he has specialised in SaaS companies. Patrick has supported the growth of businesses across multiple industry sectors, with a specialist focus on acquisition and retention strategies.