Konrad Osterwalder is a Swiss mathematician and physicist, former Undersecretary-General of the United Nations, former Rector of the United Nations University (UNU), and Rector Emeritus of the Swiss Federal Institute of Technology Zurich. He is known for the Osterwalder–Schrader theorem.

The United Nations University (UNU) is the think tank and academic arm of the United Nations. Headquartered in Shibuya, Tokyo, Japan, with diplomatic status as a UN institution, its mission is to help resolve global issues related to human development and welfare through collaborative research and education.