Career
He is a left-handed 2.05 m (6"8¾") tall small forward-power forward. Charalampopoulos spent the 2011-2012 season with the Greek club Egaleo, playing in the semi-pro Greek B Basketball League, which is the 3rd-tier division of Greek basketball. In 2012, he moved to the Greek 1st Division club Panathinaikos.
He made his debut in the 1st-tier Greek League, during the 2012-2013 season, on 26 November, 2012, in a home game against Panelefsiniakos.
Charalampopoulos made his Euroleague debut, during the 2013-2014 season, in a road game against Lokomotiv Kuban, on 13 December, 2013. With the junior national teams of Greece, Charalampopoulos played at the 2011, 2012, and 2013 editions of the International Basketball Federation Europe Under-16 Championship.
In the summer of 2014, Charalampopoulos played at the International Basketball Federation Europe Under-18 Championship and helped Greece reach the fourth place of the tournament. He finished the tournament being first in minutes per game, third in points per game and fifth in total rebounds, earning his place in the All-Tournament Team.
In the summer of 2015, Charalampopoulos suffered a right ankle injury in a friendly game against the United States of America, and doctors initially said that it would be difficult for him to play at the 2015 International Basketball Federation Under-19 World Championship.
Despite the injury, Charalampopoulos was able to play at the tournament, and he scored 21 points against the United States of America in the tournament"s semifinal. Greece lost the semifinal game against the United States of America, and Charalampopoulos was then injured once again in the third-place game, against Turkey, which Greece also lost, as they finished in fourth place. Charalampopoulos also played at the 2015 International Basketball Federation Europe Under-18 Championship.
In a game against France, he had 13 points, 10 rebounds, and 11 assists, making him the first player since Lithuania"s Martynas Andriuškevičius to record a triple double at the same tournament.
Charalampopoulos was honoured as the Most Valuable Player of the tournament. During the tournament, Charalampopoulos averaged 16.6 points, 8.1 rebounds, and 5.2 assists per game.
