Inga-Britt Monica Stigsdotter Ahlenius (born 19 April 1939) is a Swedish auditor, public servant and former Under-Secretary-General for the United Nations Office of Internal Oversight Services (OIOS). Ahlenius was born in Karlstad, Sweden. She holds a degree in business administration from the Stockholm School of Economics and started her career working in the economic secretariat of Sweden's largest commercial bank, Handelsbanken.
https://en.wikipedia.org/wiki/Inga-Britt_Ahlenius