Tasko Ermenkov was born in Sofia in 1955. He graduated "International economic relations" with the Moscow  Institute of International Relations.

One of his post-graduated qualifications took place in the USA in 1996, following a training course on infrastructure projects financial and investment analysis.

The following years  of professional experience, he worked for different institutions and enterprises, like  as an expert in "Transimpex" foreign trade organisation, then as a  director in the management project unit  of "Modernisation and restructuring of Bulgarian water and waste treatement companies" supported by the World Bank and after that as a director of Project management unit  of the project"Reform for Bulgarian children wellness enhacement" in the Ministry of Labor and Social policy .  

Since June 2003 he is an executive director of the Bulgarian Energy Efficiency Agency (EEA).