Cosmo was born and grew up in London. He has previous experience working in event medicine, in Childrens' Intensive care retrieval, and with Air Ambulance services across the UK.

He is a Consultant in Anaesthesia and Major Trauma, working for both for London’s Air Ambulance Charity as well as Imperial Healthcare NHS Trust. He supports the Institute of Prehospital care with planning and delivering the clinical training courses, and is also the clinical lead for our digital team and clinical information systems.

After a distinguished career in the city, Jonathan comes to London’s Air Ambulance Charity from Social Investment Business, where he dealt with charity and social enterprise investment as the company’s CEO. He has a lifelong commitment to charity work, and has served as trustee for a number of third sector organisations. In his spare time he has also managed to run 12 London Marathons and the 2016 & 2018 Marathon des Sables, raising vital funds for London’s Air Ambulance Charity in the process.

Tom is a consultant in pre-hospital care with London’s Air Ambulance and consultant in intensive care medicine at King’s College Hospital. He has been actively involved in pre-hospital care since first working for London’s Air Ambulance in 2008 and served as Medical Director from 2019 to 2025. 

Anna is our Director of Finance, IT and Facilities.

With more than 20 years' experience in financial leadership, Anna is a Chartered Accountant (FCA) and holds the ICAEW Diploma in Charity Accounting. She has worked for several national charities, including as Finance Director for Hospice UK and as Director of Finance and Operations for BBC Children in Need.

Captain Toby Chamberlain started flying helicopters near New York, USA in 2009. Returning to the UK, Toby operated on a number of different helicopter types as an Instructor, Examiner and Charter Pilot. He has flown HEMS for the last few years in various parts of the UK, prior to joining the team at London's Air Ambulance.

Outside of flying for London's Air Ambulance, Toby enjoys spending as much time with his young family as possible and travelling when time permits.

Fundraiser ID No: 2520