Demetri was born in Harare in 1966, he finished his A levels at St Georges College and then read Mathematics at Oxford University.
After Oxford he worked in London in the mergers and acquisitions department of Morgan Stanley, a US Investment Bank. He then did some consultancy work for Prudential Insurance before returning to Zimbabwe in 1992 to join Crystal Candy, the family business.
Demetri is actively involved with the Confederation of Zimbabwe Industries and chairs the Economics and Banking Committee of the chamber.
In his spare time Demetri enjoys playing golf and is a member at Borrowdale Brooke Golf Club.