Oleg Voronin got his first job with a non-profit called AŞP "Vierul". In 1988, he established with some other academics a Laboratory Cooperative to look for better yields in milk production. In 1992 became director of "Metal-Market" (constructions) and "Transline" (railroad transportation). In 1993 Oleg Voronin applied for a banking license. Since that year, he has been head of his own bank, FinComBank, which has now grown into becoming one of Moldova's largest and most powerful financial institution. In 2010, Voronin was appointed to the post of economic adviser to Moscow Mayor
Yury Luzhkov. He is the owner of several of the largest businesses in Moldova. These include, but are not limited to: •
FinComBank - served during 2001-2009 accounts of
Moldtelecom (the national phone company), Internal Minister, the Secretary of Defense, the Secretary of Finance and the Chancellor of State. •
"Metal-market" - Construction Firm. •
"Transline" - Transportation ==Political activity==