Having worked in the private and public sectors in Ukraine since 1991, Dan served for over ten years as a United Nations-sponsored senior governance adviser on rule of law, anti-corruption and public administration issues to two Ukrainian Prime Ministers, the Vice-Prime Ministers of Ukraine for Economic Affairs and for European Integration, the Cabinet Secretariat, and was twice chief of staff to the Minister of Justice of Ukraine, focusing on transparency, accountability and anti-corruption strategies in the Ukrainian justice system.

Following the “Orange Revolution” in December 2004, Dan was appointed a Member of the UNDP-sponsored Blue Ribbon Commission providing recommendations on a new wave of reforms to newly-elected President Victor Yushchenko and co-authored the proposals on judicial reform, governance and administrative reform. He was then was appointed by the President of Ukraine to the National Commission on the Strengthening of Democracy and the Rule of Law, established to direct Ukraine’s European integration process.

Dan has also advised the governments of Bulgaria and Lithuania with respect to the transformation of their respective systems of administrative justice.