In 1997, she received a degree in Foreign Languages from Kyiv National Linguistic University. She completed an MBA program at Steinbeis University (Germany). Ms Bereza received an international certificate in human resource management from SHRM.
Ms Bereza has experience in banking, telecommunications, industrial, and retails sectors. She worked at such companies as Kraft Food, British American Tobacco, AFK Systema, Group DF, Retail Group, MTS Ukraine and MTS Russia.
Ms Bereza was appointed the Director of the HR Department of DTEK Grids in March 2019.