Michiel van Haersma Buma studied law at the University of Utrecht, were worked from 1976 to 1986. From 1986 to 2007, he has been mayor in three different cities.
From 2007 to 2018, van Haersma Buma has been the Chair of the Regional Water Authority of Delf and since 2018 he is Strategic Advisor at the University of Delft.