Meet the Team
Dr Tony Joy
Managing Director
Dr Karim Ahmad
Managing Director
Dr Mike Kim
Partner
Dr Mamoun Abu-Habsa
MB BS MRCS Dip IMC FRCEM FFICM
Partner
Imen Rezgui MSc
Business Manager
Dr Richard Muswell
Partner
Dr Robbie Llyod
Partner
Dr Tom Quilter PhD
Partner
Dr Flora Bird
MBChB BSc MPhil FRCEM DipIMC
Partner
Dr Alex Alexiou MB BS BSc DCH FRCEM Dip IMC RCSEd
Partner
Dr Jim Moonie
Partner
Dr Kim is a Consultant in Emergency Medicine at The Royal London Hospital, with a strong portfolio spanning clinical practice, medical education, and workforce development. He currently serves as Postgraduate Teaching Lead within the Emergency Department and has previously held the role of Associate Dean for Undergraduate Medicine, demonstrating sustained leadership in curriculum design, faculty development, and large-scale education delivery. He brings over a decade of experience providing senior medical leadership at Wembley Stadium, supporting the planning and delivery of medical services for major national and international events. His pre-hospital experience includes working as a Helicopter Emergency Medical Services (HEMS) doctor with London’s Air Ambulance and Essex & Hertfordshire Air Ambulance Trust, operating within high-performance, time-critical systems. Dr Kim holds a Diploma in Medical Toxicology and an MSc in Sports and Exercise Medicine, complementing his operational expertise with specialist knowledge in acute care and performance-focused medicine. Alongside his clinical roles, he contributes to consultancy and education initiatives focused on service development, training programmes, and system-level improvement across urgent and emergency care.
Dr Alexander Alexiou is a Consultant in Emergency Medicine with extensive experience across urgent, emergency, pre-hospital, and mass-event medical systems in the UK and Australia. He practices as a Consultant with the Physician Response Unit (PRU) at Barts Health NHS Trust and as a Pre-Hospital Care Consultant with Essex & Herts Air Ambulance, while also providing senior clinical leadership at Wembley National Stadium for major national and international events. Following Emergency Medicine training in North East London, Dr Alexiou completed a dedicated PRU fellowship, establishing a long-standing focus on Community Emergency Medicine and consultant-led alternatives to hospital-based care. His career spans senior roles within high-performance Helicopter Emergency Medical Services (HEMS) across the UK and Australia, bringing an international perspective to service design and delivery. In 2023, he was appointed Clinical Lead for the Remote Emergency Access Coordination Hub (REACH), overseeing senior clinical decision-making, telemedicine, and system coordination across North East London. His work focuses on improving patient flow, reducing avoidable hospital conveyance, and enabling integrated, value-based urgent and emergency care pathways at scale.
Tom is an academic researcher in artificial intelligence at the University of Manchester, specialising in the application of advanced machine learning to real-world challenges. His work focuses on leveraging large language models and modern AI architectures to automate complex workflows and accelerate software development at scale. Over the past decade, Tom has led and contributed to cutting-edge AI research, collaborating closely with Richard Turnerat the University of Cambridge. This work has produced high-impact outputs, including publications in leading journals such as Nature, reflecting strong academic rigour and global relevance. His applied research includes developing AI-driven skin cancer detection systems, trained on large-scale image datasets to identify rare and early malignancies, demonstrating translation of complex algorithms into clinically meaningful tools with population-level impact. He began his career after a PhD in Mathematics, joining Barclays, where he automated risk reporting processes and delivered annual savings of around £100,000. Driven by social impact, he later joined Teach First, teaching mathematics in inner-city London schools while building software tools that evolved into Pinpoint Learning, now used by over one million students.
Dr Bird is a Consultant in Emergency Medicine at the Royal London Hospital and Consultant in Prehospital Care with London’s Air Ambulance (LAA). She has spent time working with Air Ambulances in the UK and abroad - Essex & Herts Air Ambulance and with the Flying Doctors in East Africa (AMREF). She has long held an interest in expedition and wilderness medicine, and her experiences as an expedition medic include supporting an attempted solo circumnavigation of the Antarctic in a rowing boat, an Anglo-Dutch kayak of the North Sea (Engelenvaders) and a group of children who broke the world record to swim the English Channel. Flora completed an MPhil in applied physiology at the extreme environmental laboratory at the University of Portsmouth, she lectures at international conferences on the hyperacute physiology of severe traumatic brain injury and has published in peer review journals on this subject. She is an Honorary Senior Clinical Lecturer for Queen Mary University London.
Tony is a Consultant Emergency Physician and senior clinical leader with a track record of designing and delivering innovative models of urgent and emergency care across complex health systems. His expertise spans trauma, pre-hospital critical care, and Community Emergency Medicine (CEM)—a subspecialty he has helped pioneer since 2014. He led the development of the Physician Response Unit in London and subsequently established the award-winning Remote Emergency Access Coordination Hub (REACH) in East London, both of which have redefined how care is delivered at the interface of ambulance services, acute hospitals, and community settings. His work is underpinned by a focus on clinical risk stratification, system integration, and scalable service transformation. Tony continues to practice as a Consultant in Emergency Medicine at The Royal London Hospital and serves as Medical Director for Essex & Herts Air Ambulance, maintaining active leadership across both hospital-based and pre-hospital care environments. As a co-founder of TSM Ltd, Tony plays a central role in shaping its strategic direction as an innovation hub—developing high-impact solutions that support patients, clinicians, and healthcare systems in an increasingly complex and evolving landscape.
Robert Lloyd is a Consultant in Emergency Medicine at Newham University Hospital in East London, with a portfolio spanning clinical practice, medical education, and system-level improvement. His professional interests focus on departmental knowledge management, organisational learning, and the optimisation of pre-hospital and urgent care interfaces. He completed a Medical Education Fellowship at Whittington Hospital during the COVID-19 pandemic, contributing to frontline education delivery and adaptive training models in a high-pressure environment. Following completion of Emergency Medicine training, he undertook specialist pre-hospital fellowships with Sydney HEMS and the Physician Response Unit (PRU) in London, gaining international and cross-system experience in high-performance emergency care models. Robert brings a reflective and systems-oriented approach to his work, with a strong emphasis on continuous learning and knowledge dissemination. He documents elements of his professional journey through a widely read personal platform, offering insights into frontline emergency medicine and clinician experience in the UK. Alongside his clinical work, he contributes to education and consultancy initiatives aligned to service improvement, workforce development, and the translation of learning into practice across urgent and emergency care systems.
Jim is a Consultant in Emergency Medicine at The Royal London Hospital and a Pre-Hospital Care Consultant with Essex & Herts Air Ambulance, with a specialist focus on expedition medicine and austere environment care. His career spans a diverse range of operational settings, including work as a ski field medic in New Zealand, a retrieval doctor in Australia, and a flight doctor with London’s Air Ambulance. Through these roles, he has developed extensive expertise in delivering high-acuity care in remote, resource-limited, and logistically complex environments, including desert and jungle settings. Jim brings a practical, systems-informed approach to emergency and pre-hospital care, with particular interest in adapting clinical practice to challenging environments and supporting safe, effective medical provision in expedition and remote contexts. Alongside his clinical work, he contributes to education and consultancy across expedition medicine, pre-hospital care, and operational readiness, supporting individuals and organisations working in high-risk environments.
Outside of work, he is an active outdoorsman with a passion for climbing, skiing, and running, and enjoys sharing these experiences with his family.
Imen operates at the intersection of clinical operations, governance, and health system strategy, with a focus on designing and enabling high-performance urgent and emergency care systems. She is Clinical Governance Manager for ACCESS (Adult Critical Care Emergency Support Service), London’s pan-regional critical care transfer and time-critical support service. In this role, she leads governance and performance across complex, high-risk operational environments, working at the interface of multiple NHS organisations and regional critical care networks. Her portfolio spans the design of incident response architecture, the development of governance frameworks, and the implementation of longitudinal learning systems that drive measurable improvement. She plays a central role in shaping system-wide capability, ensuring governance is operationally effective, scalable, and directly embedded within frontline delivery. Imen leads the design and delivery of CPD-accredited Clinical Development Days, convening senior clinicians, operational leaders, and system stakeholders across emergency medicine, critical care, anaesthesia, and pre-hospital care. These programmes are structured to strengthen system capability, enhance decision-making under pressure, and translate frontline insight into measurable service improvement. Alongside her NHS leadership role, she contributes to TSM’s consultancy and capability development work, supporting organisations in strategy, service redesign, and digital innovation.
Richard Muswell is a Consultant in Emergency Medicine with specialist expertise in Paediatric Emergency Medicine, with a portfolio spanning acute care, pre-hospital medicine, and digital innovation within healthcare systems. He brings extensive experience across emergency and critical care environments, alongside early involvement as one of the first trained Medical Examiners in the UK, contributing to the development of national processes in patient safety and mortality review. Richard has a strong focus on clinical informatics, automation, and the application of digital solutions to improve operational efficiency and patient care. His work centres on designing and implementing systems that streamline workflows, enhance decision-making, and support high-performing emergency care environments. He is actively involved in research and innovation, serving as Trust Principal Investigator for multi-centre studies including the TERN programme, reflecting a commitment to advancing evidence-based practice and system improvement. Alongside his clinical work, he contributes to education and consultancy initiatives focused on digital transformation, service optimisation, and capability development across urgent and emergency care.
Mamoun is a Clinical Director, Consultant in Critical Care Medicine, and healthcare strategist operating at the intersection of emergency care, critical care, and health system design. He is Clinical Director for ACCESS (Adult Critical Care Emergency Support Service) at Barts Health NHS Trust, London’s pan-regional critical care retrieval and time-critical support service. He also practices as a Consultant in Critical Care Medicine, with over a decade of experience in high-acuity clinical environments. His clinical and academic interests focus on advanced resuscitation strategies, including extracorporeal support and field ECMO-CPR, alongside the development of high-performance trauma and critical care systems. He brings deep expertise in emergency preparedness, capability development, and the design of integrated medical support frameworks across healthcare, defence, and homeland security sectors. He previously served as President (MENA) at Prometheus Medical International, where he led regional growth and delivery across defence and security medical consulting. His work focused on large-scale capability development, tactical medical support, cross-border programme delivery, and enabling interoperability across complex, multi-agency environments, underpinned by strong clinical governance. Mamoun has held senior leadership roles across both the public sector and healthcare industry, with a track record of delivering complex, system-level transformation. His experience includes scaling ventures from early-stage startup through to multinational presence and successful acquisition.
Karim Ahmad is Clinical Lead for Emergency Medicine at The Royal London Hospital, part of Barts Health NHS Trust, where he provides executive-level leadership across one of the UK’s busiest and most complex emergency care systems. He operates at the interface of clinical delivery, operational performance, and system strategy, with responsibility for driving service performance, workforce capability, and quality improvement at scale. His leadership is focused on delivering resilient, high-performing emergency care within a high-demand, resource-constrained environment. Karim has a strong track record in leading large-scale service transformation, with particular expertise in patient flow, demand management, and the optimisation of urgent and emergency care pathways. He is experienced in navigating complex system pressures, aligning multidisciplinary teams, and implementing sustainable operational change that delivers measurable improvements in performance and patient outcomes. Alongside his clinical leadership role, he contributes to strategic consultancy and system design initiatives, supporting organisations in developing high-performance emergency care models and future-ready services.