Tums worked at HFHGB since May 2016, and been CEO since 2018. With a background in marketing and digital communications, Tums worked in the not-for-profit space for 16 years. Starting at national deaf blind charity Sense, he moved into the international development sector with roles at FARM Africa, and Action Against Hunger, among others.

Tum has strong experience in many areas of fundraising and NGO strategy and management, and is able to work with teams to identify the best opportunities to drive mission impact and fundraising growth. Hes currently a Trustee with the Livingstone Tanzania Trust, a micro-charity specialising in education and enterprise in Babati, Northern Tanzania. A guest lecturer at London South Bank University, Tum holds an MSc in NGO Management from Cass Business School.