Tamar is currently based at Nesta running the Longitude Prize, the UK’s biggest science prize with a £10m fund, looking to encourage the development of a novel and transformative, point of care diagnostic test to be used globally to fight antibiotic resistance. Before Nesta, Tamar founded and ran 2 social enterprises in global and national healthcare, which continue in her spare time. She was Director of the social action campaign ‘Give More’ on behalf of one of the Pears Foundation, promoting increased giving of money and time amongst the UK public. Prior to that, she spent 15 years developing and delivering funding strategies for international NGOs, including ActionAid and VSO. She has an MBA from Imperial College, London and Masters in Development Studies, following an undergraduate degree in Mathematics at Bristol University. Tamar is also a trustee of Heart UK, a consultant on fundraising and strategy development and a guest speaker at Imperial College Business School on innovation and entrepreneurship as part of their MBA and masters in health programmes. She has recently taken up the role of Chair of the British humanist Association.