Siosiua Utoikamanu is an independent consultant who specializes in international development issues including public financial management, national strategic planning, capacity building, and economic governance. He holds post-graduate degrees in Economics and Finance from the Victoria University of Wellington in New Zealand, and the University of Birmingham in the United Kingdom.
From 1991 to 2001, he held the position of Governor of the National Reserve Bank of Tonga. In 2001, he was appointed to the position of Minister for Finance and Chief Commissioner of Revenue in the government of Tonga. He held the position of Director of the Pacific Islands Centre for Public Administration at the University of the South Pacific, Laucala Campus, Fiji from 2012 to 2015. In 2016, he was elected to the Legal and Technical Commission of the International Seabed Authority.