He is a lecturer in the Program for Economic Growth and Development, a branch of Sofia University "St. Kliment Ohridski” and with the Centre for Strategy and Competitiveness of Harvard Business School.

He managed marketing and strategic development projects for large international companies in the fields of telecommunications, energy, mining, insurance, and several major consumer goods manufacturers.

[7] In 2013 Vasilev was Minister of Economy, Energy and Tourism in the caretaker government of Marin Raykov.

On 19 September 2021, together with Kiril Petkov, Vasilev presented his new political project "We continue the change".

[13] One week later as prescribed by the constitution Vasilev informed the president that his party only had the support of 117 members, falling four short of the majority.