Dmitry Troitsky was born in Russia. Dmitry Troitsky graduated from Leningrad Shipbuilding Institute and together with his classmate Dmitry Korzhev, started selling cars. In 1993 they founded Mega-Auto, now one of the biggest car dealers in St. Petersburg. In 1995 the partners started a juice producing plant called Multon. In 2002 they opened Russia's first hypermarket, O'Key. In 2005 they sold Multon to Coca-Cola for $500 million and invested in expanding the O'Key chain. In the fall of 2011 the company went public on the London stock exchange with a market cap of nearly $3 billion.
As of per Forbes list 2011, he is the 1,140th richest person in the world and 94th richest person in Russia
His company (O'KEY Group) was listed on London Stock Exchange in 2010 and the current market capitalization is $3
In 2001 they both co-founded O-Key chain of supermarkets
Their first venture was car sales that lead to formation of Mega-auto company in 1993