Osman A Dar is a fellow of the Royal College of Physicians (Edinburgh) and a fellow of the Faculty of Public Health (UK).

At the UK Health Security Agency (UKHSA), Osman is a senior medical consultant in global public health where he works internationally to support health security capacity-building initiatives and in the design and implementation of broader health system strengthening programmes.

In his role at Chatham House, he is an Associate Fellow and was previously director of the Global Health Programme’s One Health project, an umbrella term referring to the programme’s work on zoonotic diseases, emerging infections, antimicrobial resistance, and food security.

Internationally, Osman has been a member and working group co-chair for the One Health High Level Expert Panel (OHHLEP) advising WHO, OIE, FAO and UNEP on their global One Health focused strategies and activities. He is also a member of the World Bank Pandemic Fund (PF) technical advisory panel advising the PF board on the technical merits of submitted proposals.