Tevan was elected as a Member the National Assembly of the Republic of Armenia in October 2012.
Previously, he was Executive Director of the International Centre for Human Development (ICHD). The ICHD is a non-governmental, non-profit independent research and public policy institution. The Centre’s interests include: strengthening civil society, regional integration and peace building, poverty alleviation, governance and public sector reforms, environmental issues, and primary health care. Tevan was responsible for the overall management of the Centre and all project implementation.
In addition Tevan was Executive Director of the Armenian Atlantic Association (AAA), an NGO which works to develop Armenia’s relations with NATO. He is also a Lecturer in Conflict Management and Leadership at the Armenian-Russian States University.