In February 2011, he joined the Russian club Khimky. In August 2011, he signed a one-year deal with Olympiacos. With Olympiacos, he won the Euroleague championship in 2012. On September 5, 2012, he returned after few seasons to his former club PAOK. On February 6, 2014, Papadopoulos comes back to Spain after signing for CB 1939 Canarias. After only one game he parted ways with them.
Papadopoulos was born in Krasnodar, then-USSR, on June 3, 1980, as Lazar Popandopulo (Лазарь Попандопуло) to Greek father and Russian mother. In 1990, he came to Thessaloniki with his parents Theodore and Marina, and younger sister Agapi. He got married in August 2002, and has two daughters, Daphne and Nefeli.