Leading the vision

The Under-Secretary-General for Internal Oversight Services is appointed by the Secretary-General, following consultations with Member States, and approved by the General Assembly for a non-renewable five-year term. The Under-Secretary-General assists the Secretary-General in fulfilling his oversight responsibilities in respect of the resources and staff of the Organization through the provision of audit, investigation, inspection, and evaluation services.

Ms. Fatoumata Ndiaye, Under-Secretary-General

Ms Fatoumata Ndiaye, credit: UN Photo

Ms. Fatoumata Ndiaye of Senegal was appointed in October 2019 as Under-Secretary-General for Internal Oversight Services, Office of Internal Oversight Services (OIOS) for a five-year non-renewable term.
Most recently Deputy Executive Director (Management) of the United Nations Children's Fund (UNICEF), Ms. Ndiaye brings to the position more than 24 years of knowledge, hands-on experience and inter-agency work of the Organization in the areas of audit, investigations and evaluation, coupled with overseeing and coordinating human resources, finance, budget, information technology and administrative services and operations.  She has made important contributions in leading organizational transformation initiatives in the United Nations.
Ms. Ndiaye joined the United Nations in 1995 and has served in various capacities, including as UNICEF's Director of Internal Audit and Investigations and Director of the Internal Audit Division, OIOS.  She has been a member of a number of United Nations system inter-agency bodies, including the High-Level Committee on Management, Inter-Agency Standing Committee, United Nations Development Group, and High-Level Steering Group on Prevention of Sexual Exploitation and Abuse.  Before joining the United Nations, Ms. Ndiaye was Chief, Management Advisory Services of Coopers & Lybrand, Senegal.
Ms. Ndiaye holds a Master of Business Administration degree from l'École Supérieure de Gestion des Entreprises, Senegal, and a postgraduate degree with specialization in auditing from l'Université Paris-Dauphine, France.  She is fluent in English and French.

Mr. David Kanja, Assistant Secretary-General

Mr. David KanjaMr. David Kanja was appointed as the Assistant Secretary-General for Internal Oversight Services in June 2012. He was the Director of the United Nations Children's Fund (UNICEF) Office of Internal Audit and Investigations from 2010 to 2012. From 1992 to 2010, he served at the World Bank Group in various positions including as Chief Auditor for audit quality and strategy, Audit Manager and Acting Auditor General. Prior to that, he served for nine years at one of the Big Four audit firms, Deloitte, in various positions including as Audit Manager in the United Kingdom and Senior Manager in Kenya. Mr. Kanja also served as a Chair and member of UNICEF’s Audit Advisory Committee from 2006 to 2009. 

Mr. Kanja is active in oversight professional activities and has served as a member of the Institute of Internal Auditors’ Board of Regents, Exam Development Committee, and Committee of Research and Education Advisers. He has served as a team member of IIA external quality assessments of a number of international organizations and has also served as an instructor on numerous Certified Internal Auditor (CIA) examination review courses.

He is a Certified Internal Auditor, Chartered Accountant (England and Wales) and Certified Public Accountant (Kenya) as well as a commerce graduate (First Class Honours) from the University of Nairobi. When he took the Certified Internal Auditor examination in 1992, Mr. Kanja won the Institute of Internal Auditors (IIA) Gold Medal award for the highest worldwide overall score.