Education: Izmail State Pedagogical Institute (1995), primary school teacher; Kyiv Institute of Bankers of Bank "Ukraine" (1997), economist. 1990-1995 - student of the Izmail State Pedagogical Institute. 1995-1999 - analytical engineer, head of security service, chief economist of Zolotonosha branch of JSCB "Ukraine", Cherkasy region. 1999 - Head of the Drabiv Branch of the Ukrainian Bank in Cherkasy region. 1999-2000 - Director of the Cherkasy branch of JSCB Legbank. 2000-2002 - Head of the Cherkasy Regional Branch of the State Innovation Company. 2002-2005 - Head of the Cherkasy Regional Department of the State Savings Bank of Ukraine. 2005-2010 - Head of the State Tax Administration of Cherkasy region. 2006-2010 - deputy of the
Cherkasy Oblast Council of the V convocation from the "Our Ukraine" party, Chairman of the Standing Committee on Planning, Budget and Finance. On March 15, 2014, he was appointed by Oleksandr Turchynov as the head of the Cherkasy Regional State Administration. On September 9, 2014, President
Petro Poroshenko reappointed Tkachenko as the head of the
Cherkasy Regional State Administration. On November 20, 2018, he was dismissed from the post of the head of the RSA. On November 27, 2018, he was appointed Advisor to the President of Ukraine. == Awards ==