Rafael Mariano Grossi is an Argentine diplomat. He has been serving as Director General of the International Atomic Energy Agency (IAEA) since 3 December 2019. He was formerly the Argentine ambassador to Austria, concurrent with Slovenia, Slovakia and International Organisations based in Vienna (2013–2019).
- Occupation
- diplomat, United Nations official, ambassador
- Position held
- Director General of the International Atomic Energy Agency, UN board member
- Citizenship
- Argentina
- Born
- January 29, 1961