Vladimir Vladimirovich Kara-Murza is a Russian-British political activist, journalist, author, filmmaker, and political prisoner. A protégé of Boris Nemtsov, he is vice-chairman of Open Russia, an NGO founded by Russian businessman and former oligarch Mikhail Khodorkovsky, which promotes civil society and democracy in Russia. He was elected to the Coordinating Council of the Russian Opposition in 2012, and served as deputy leader of the People's Freedom Party from 2015 to 2016. He has directed two documentaries, They Chose Freedom and Nemtsov. As of 2021, he acts as Senior Fellow to the Raoul Wallenberg Centre for Human Rights. He was awarded the Civil Courage Prize in 2018.

Boris Yefimovich Nemtsov was a Russian physicist, liberal politician, and outspoken critic of Vladimir Putin. Early in his political career, he was involved in the introduction of reforms into the Russian post-Soviet economy. In the 1990s under President Boris Yeltsin, he was the first governor of the Nizhny Novgorod Oblast (1991–1997). Later he worked in the government of Russia as Minister of Fuel and Energy (1997), Vice Premier of Russia and Security Council member from 1997 to 1998. In 1998, he founded the Young Russia movement. In 1998, he co-founded the coalition group Right Cause and in 1999, he co-formed Union of Right Forces, an electoral bloc and subsequently a political party. Nemtsov was also a member of the Congress of People's Deputies (1990), Federation Council (1993–97) and State Duma (1999–2003).