Leadership at Quest
Proven expertise. Real-world results.
Behind every service is a leadership team with decades of combined expertise in healthcare operations, engineering, logistics, and compliance. Our leaders bring together diverse backgrounds but share a single vision: to support those who deliver care by keeping essential healthcare infrastructure running and building for tomorrow.
Meet the Team
James Walters
Chief Executive Officer (CEO)
James has been working in the medical industry since 1998 and started as a mobile service engineer. James developed his skills and knowledge quickly and he became operations Manager for CMC international and was responsible for the UK’s biggest mobile medical fleet. In 2008 James became one of the founding directors of Quest Medical and has enjoyed success for the company which now has responsibility for more than 200 mobile and fixed medical sites.James has been at the forefront of developing the industry standards in the field for multi site vendors.
Steve Ely
Chief Finance Officer
Steve is a seasoned commercial finance professional with extensive experience in financial analysis, strategic planning, and capital management. With a proven track record of supporting fast growth businesses through data-driven decision-making, he specialises in structuring complex financial solutions, optimising cash flow, and improving profitability through transaction granularity. Known for his analytical mindset and collaborative leadership style, Steve partners with executives and stakeholders to deliver sustainable financial performance and strategic value.
Roxanne Purkiss
Chief of Staff
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Mike Lord
Commercial Director
With senior leadership experience at Nuffield Health and other major healthcare providers, Mike specialises in strategic partnerships and service development. He focuses on building collaborative, cost-effective healthcare solutions that improve patient pathways and drive sustainable growth across the UK sector.
Cris Drakeford
Director of Engineering
With 12 years in diagnostic imaging, Chris has managed service delivery, technical operations, and team development across multiple healthcare settings. His background combines hands-on engineering expertise with leadership experience focused on improving reliability, workflow efficiency, and patient outcomes.
Jim Davies
Director of OEM Services
With a background in diagnostic imaging and equipment management, Jim has over two decades of technical and leadership experience. As Director of OEM Services at Quest Medical, he oversees service partnerships, equipment lifecycle support, and operational performance improvement.
Simon Overbury
Chief of Operations
With over 25 years in medical logistics, Simon has progressed from driver to Director of Logistics at Quest. He specialises in operational planning, team management, and process optimisation, ensuring reliable, efficient service across all client and patient transport operations.
Our Approach to Leadership
- Patient-centred thinking: Every decision is made with the ultimate goal of enabling better outcomes for patients.
- Operational excellence: We prioritise reliability, compliance, and safety at every level of service.
- Collaboration: We work closely with healthcare providers, listening first and tailoring our solutions to real-world needs.
- Innovation: From digital platforms to modular clinical environments, our leaders champion new ideas that move healthcare forward.