Sasha Johnston

Senior Academic Support Lead and NIHR Doctoral Research Fellow

South Western Ambulance Service NHS Foundation Trust

Sasha is a paramedic, Senior Academic Support Lead and NIHR‑funded DPhil Research Fellow at the University of Oxford, specialising in workforce mental health and organisational culture in ambulance services.

Her work generates evidence to inform national policy, strengthen system resilience and enhance psychological safety. She has held roles across frontline practice, research and service development in the UK and the Caribbean, and previously completed an NHS England AHP Clinical Fellowship.

An inaugural recipient of the Chief AHP Officer Gold Award, Sasha’s doctoral research examines behavioural, cultural and structural determinants of wellbeing, supporting strategic workforce planning and compassionate, high‑performing ambulance services.