As an army officer, he served in Tambov, Moscow, and Russia's far east and fought in Afghanistan.
Tsvetkov attained the rank of lieutenant colonel, before he retired, founding the brokerage firm Brokinvest.
His obscure company became the investment and financial adviser to Lukoil (then a state-controlled concern) by offering a co-ownership to its president Vagit Alekperov,[3] and profited immensely from the voucher privatization scheme of Russia's state-owned companies in the mid-1990s.
[1] Opened a chain of organic food stores "Bio-Market" (Russian: «Био-Маркет»).
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