Dimitri was appointed as Non-Executive Chairman of Helesi plc in June 2009. Dimitri is Managing Partner of Cycladic Capital LLP. He set up Cycladic Capital in November 2002 to focus on making public and private investments in small and medium sized companies predominantly in Europe. Cycladic's range of activity has spanned significant-influence stakes in public companies, growth and buyout private equity and greenfield start-ups. Today, the Firm has three related activities: fund management, direct investment and corporate advisory.

Previously, Dimitri set up and ran the European operations of the private equity firm Whitney & Company and spent eight years at Morgan Stanley in the private equity group, structuring derivative products and executing mergers and acquisitions both in New York and in London.

Dimitri has an MBA from Harvard Business School and a Masters in Electrical and Information Sciences from Cambridge University.

He is currently a director of Cycladic Capital Management Limited, Cycladic (Cayman) Limited, Cycladic India Rentals, Journey Group plc, Knightsbridge School Limited, Knightsbridge Schools International Limited, Liberty International NV, Milos Limited, Mood Media Group SA, Teleplan International NV and Whiteground Limited. He also sits on the Council of the Institute of Contemporary Arts in London.

Dimitri was previously, within the last five years, a director of Azkoyen SA, Forthnet SA, Mykonos Limited, Permasteelisa SpA and Volex plc. Dimitri was also director of Sportal Limited in 2001 which was placed in receivership.