Jonathan is a chartered accountant and auditor who has devoted his career to working with charities and social purpose organisations. He is a partner at charity specialist audit firm – Sayer Vincent where he leads the firm’s work with humanitarian and international development organisations as well leading the firm’s internal audit and risk management work.

Prior to returning to Sayer Vincent in 2013 he was a freelance internal auditor working with many of the major international NGOs – including Oxfam, Save the Children and Christian Aid. He then joined Mango as their first Director of Consultancy where he helped establish their consultancy service into one of their core areas of work.

He has previously been treasurer of Charities Evaluation Services and Y Care International – the international development arm of the YMCA movement.