Answer
Platon Lebedev was Mikhail Khodorkovsky's business partner who was also charged with and found guilty of embezzlement and money laundering. Lebedev was a co-founder of Yukos Oil, which was once the largest private oil company in Russia. He was arrested in 2003 and convicted of embezzlement and money laundering in 2005. He was sentenced to 24 years in prison, but was released in 2014 after a presidential pardon.