Srđa Popović (Serbian Cyrillic: Срђа Поповић, born 1 February 1973) is a Serbian political activist. He was a leader of the student movement Otpor! that helped topple Serbian president Slobodan Milošević. After briefly pursuing a political career in Serbia, he established the Centre for Applied Nonviolent Action and Strategies (CANVAS) in 2003 and published Blueprint for Revolution in 2015. CANVAS has worked with pro-democracy activists from more than 50 countries, promoting the use of non-violent resistance in achieving political and social goals.