Mikael Rørdam (born 7 January 1959, Copenhagen) is a Danish mathematician,[1] specializing in the theory of operator algebras and its applications.
[2] He received his PhD from the University of Pennsylvania with thesis The theory of unitary rank and regular approximation under the supervision of Richard Kadison.
[2] Rørdam was elected a member of the Royal Danish Academy of Sciences and Letters in 2004.
[2] He was an invited speaker of the International Congress of Mathematicians in 2006 in Madrid.
He was a plenary speaker at the International Workshop on Operator Theory and its Applications (IWOTA) in 2018 in Shanghai.