Donald Grant obtained a Master of Business Administration at the University of Cape Town.

He worked for several years in the private sector before he was elected a Bitou Local Municipality councillor.

Newly elected Premier Helen Zille announced that Grant would become the Provincial Minister of Education, succeeding Yousuf Gabru.

Zille announced that Grant would now become Provincial Minister of Transport and Public Works, succeeding Robin Carlisle.

He was inaugurated by Western Cape High Court Deputy Judge President Janette Traverso on 26 May 2014.