Mahesh is the chief operating officer. He rejoined Allan Gray as an executive director in May 2022, having served as a non-executive director since July 2020. He was previously employed at Allan Gray between 2003 and 2017, serving as an executive director from 2006 to 2017 and heading up the Institutional Clients team for over a decade. Mahesh holds a Bachelor of Business Science degree from the University of Cape Town and a Master of Business Administration from the Institute for Management Development.

He is a qualified actuary.