[1] After studies he worked for international management consulting firm McKinsey & Company.

[1] Krstić was appointed as the Minister of Finance in the Government of Serbia on 26 August 2013, on the proposal of ruling Serbian Progressive Party.

[2] On 12 July 2014, he resigned from the position due to disagreements with Prime Minister of Serbia Aleksandar Vučić over the level of public sector salaries and pension reduction.

[3] During his tenure, he pushed for economic reforms, huge salaries and pension reduction, electricity price increase and other taxes for citizens.

[3] After leaving his government duties, he returned to his previous firm McKinsey & Company as consultant, and has since then been based in Geneva, Switzerland.