CONSULTANT NEUROSURGEON AND NEUROVASCULAR SURGEON
About Mr Ahilan Kailaya-Vasan
Member of Leading Professional Associations
“Every operation is an opportunity to restore hope, function, and quality of life.”
— Mr Ahilan Kailaya-Vasan, Consultant Neurosurgeon and Neurovascular Surgeon
Introduction & Philosophy of Care
With over 17 years of clinical experience, Mr Ahilan Kailaya-Vasan specialises in complex neurovascular, brain, spinal, and peripheral nerve surgery, combining technical precision with a calm, compassionate approach to care.
Recognised for his skill in treating complex and often life-threatening conditions, he is trusted by patients and peers alike for his ability to provide clarity, confidence, and reassurance at every stage of treatment.
Whether performing intricate neurovascular surgery or guiding a patient through a difficult diagnosis and treatment journey, Mr Kailaya-Vasan’s philosophy is simple: listen, explain, and act with precision and empathy.
Comprehensive Neurosurgical Care
Areas of Expertise
As one of the UK’s leading specialists in neurovascular surgery, Mr Ahilan Kailaya-Vasan treats complex medical conditions of the brain and spine, where precision and timing are critical to preserving life and function.
Neurovascular Surgery
Expert treatment for aneurysms, arteriovenous malformations (AVMs), cavernomas and dural arteriovenous fistulae (dAVFs).
Mr Kailaya-Vasan delivers highly specialised neurovascular care through advanced microsurgical technique and detailed anatomical precision, treating complex vascular conditions of the brain and spine.
Spinal Surgery
Comprehensive care for degenerative, traumatic and vascular conditions of the spine.
Mr Kailaya-Vasan provides expert assessment and treatment tailored to each patient’s condition. He performs procedures including spinal decompression and discectomy, aiming to restore movement, stability and long-term comfort.
Peripheral Nerve Surgery
Specialist treatment for peripheral nerve compression and injury, including carpal tunnel and ulnar nerve conditions.
Mr Kailaya-Vasan provides tailored peripheral nerve care aimed at restoring strength, sensation and confidence through precise treatment and long-term recovery support.
Early Journey & Motivation
Mr Ahilan Kailaya-Vasan’s interest in neurosurgery began during his medical degree at University College London, when he witnessed the profound impact that skilled, timely intervention can have on patients’ lives. His early fascination with the intricacy of surgery was encouraged by his first mentor.
During his higher neurosurgical training in Sheffield and London, Mr Kailaya-Vasan developed a particular passion for neurovascular surgery, drawn to its technical challenge, beautiful anatomy, and the life-changing outcomes it can deliver.
He went on to achieve the FRCS (Neuro.Surg) qualification from the Royal College of Surgeons, and completed an advanced Neurovascular Fellowship at King’s College Hospital, where he refined his expertise in complex brain and spine surgery.
For Mr Kailaya-Vasan, the most rewarding part of his work is seeing patients regain quality of life - whether that’s helping someone return to independence after a life-threatening condition or relieving pain that has dominated their daily life for years.
Leadership, Research & Education
Alongside his clinical practice, Mr Ahilan Kailaya-Vasan holds several senior positions that reflect his leadership in neurosurgery and his commitment to advancing the field through education and research. He is Clinical Lead at King’s College Hospital and Network Clinical Lead for the South Thames Neurosurgery Network, overseeing regional collaboration and service development.
As Co-Director of the King’s Neurovascular Fellowship (Royal College of Surgeons-accredited) and Co-Lead of the King’s NeuroLab at King’s College London, he helps train the next generation of neurosurgeons in complex neurovascular and spinal surgery.
Mr Kailaya-Vasan founded and leads the Multidisciplinary Simulation (MDT SIM) Course in neurosurgical theatres, a pioneering programme designed to strengthen communication, flatten hierarchy, and enhance patient safety during emergencies.
As an Honorary Senior Lecturer at King’s College London, he contributes to surgical anatomy teaching, research innovation, and collaborative projects spanning neurovascular and spinal pathology. His academic work includes over 50 peer-reviewed publications focused on improving surgical techniques, patient outcomes, and safety in the operating theatre.
Recent Publications
Advancing Neurosurgical Care Globally
Mr Kailaya-Vasan contributes to international neurosurgical development initiatives in Kenya and Sri Lanka, supporting training, infrastructure and improved access to specialist care in underserved regions
Recognised by Peers
“I have known Dr Ahilan since 2023 when he came to train me in cerebrovascular surgeries during a camp at Tenwek hospital. He stands out as an excellent neurosurgeon both in skills and at heart, combining great skill level and competence as well as compassionate care for the patients he serves. Dr Ahilan is a great trainer and has remained to be my mentor in cerebrovascular surgeries. Up-to-date he continues to support the Tenwek neurosurgery department by giving his invaluable advice on complex cerebrovascular cases done in our department. I lack enough words to describe how great a support he is.”
- Emmanuel Wafula Wekesa, Consultant Neurosurgeon at Tenwek Hospital, Kenya
Consultations & Practice Locations
Mr Kailaya-Vasan sees patients at leading hospitals and clinics across London and the South East, offering specialist assessment, second opinions, and ongoing care for neurovascular, spinal, and peripheral nerve conditions.
Virtual consultations are also available for patients seeking an expert opinion before travelling to the UK.
The Wellington Hospital
Private hospital in London
8A Wellington Place, St John’s Wood, London NW8 9LE
Closest Tube: St John’s Wood (Jubilee line)
The London Clinic
Private hospital in London
20 Devonshire Place, London W1G 6BW
Closest Tube: Regent’s Park or Bond Street
LIPS, Battersea Power Station
Private clinic in London
Turbine Hall B, Level 1, Circus Road South, London SW11 8DD
Closest Tube: Battersea Power Station (Northern line)
Chelsfield Park Hospital
Private hospital in Orpington
Bucks Cross Rd, Chelsfield, Orpington BR6 7RG
Nearest rail: Chelsfield; close to M25 J4
Platinum Medical Centre
Private outpatient clinic in London
15–17 Lodge Road, London NW8 7JA
Closest Tube: St John’s Wood (Jubilee line)
King’s College Hospital
NHS Foundation Trust
Denmark Hill, London
Denmark Hill, London, SE5 9RS
Closest Tube: Denmark Hill
Seeking Expert Neurosurgical Advice?
Whether you are facing a new diagnosis, exploring treatment options, or looking for a second opinion, Mr Kailaya-Vasan offers clear, specialist guidance for complex neurovascular, spinal, and peripheral nerve conditions.
Private appointments are available in person, with virtual consultations available for patients elsewhere in the UK and internationally.