Operations manager Andries Diener joined Dimensional in September 2007 as operations manager in the London office. Prior to joining Dimensional, he worked in the London office of State Street Bank & Trust Co.'s change management department. He also spent three years with Ernst & Young in South Africa on various audit assignments.

Andries has a BComm(Hons) degree in accounting from the University of South Africa and qualified as a chartered accountant (SA) in 1998.