Rossen Jeliazkov was born on 5 April 1968.
He has been awarded a Master’s Degree in Law from Sofia University “St. Kliment Ohridski”.
In the period 1994-1995 he was consecutively a Counselor, a Senior Counselor and later a Secretary and a Deputy Mayor at the Sredetz district of the Sofia Municipality. Since 1995 he has been an attorney in Civil and Commercial Law, Member of Sofia Bar Association. He was a Deputy Mayor for “Law enforcement and Control” of the Lozenetz district of the Sofia Municipality (1998-1999).
From 2003 until July 2009 he was a Secretary of the Sofia Municipality.
In the period 2011-2013 he was a Chairman of the Management Board of the Institute of Public Administration and a representative of the Republic of Bulgaria to the European Institute of Public Administration (EIPA) in Maastricht, the Netherlands.
From 2009 to 2013 he was a Secretary General of the Council of Ministers, and in the period 2014-2016 he was an Adviser to the Prime Minister on Public Administration and e-Government issues.
He managed and participated in the preparation of a number of conceptual and strategic documents and programmes in the field of e-government, local government and local administration, as well as public-private partnerships. He was a representative of Bulgaria to the annual meetings of the Open Government Partnership Initiative (2011, 2015). He coordinated the Bulgarian contribution to the initiatives related to the European policies on implementation of the European Programme for Global Monitoring for Environment and Security.
He participated in the strategic planning and policy making in the field of public administration and e-government. As of 30 September 2016 by Decision of the Council of Ministers he was appointed Chairman of the State e-Government Agency.