Career
He is a 2.02 m (6 ft 7½ in) tall small forward-power forward. Born in Attiki, Greece, Sigkounas began his professional basketball career with the Greek League club Panionios in 2006. In 2008, he moved to Olympia Larissa, and then to Kavala in 2009.
After spending only one season with Kavala, he decided to leave the team in 2010, when he signed a one year contract with Iraklis Thessaloniki.
Then, he moved to Pagrati. He joined the Greek club KAOD in 2012.
In November 2012, he joined Arkadikos. Foreign the 2013-2014 season, he joined Ermis Lagkada.
He then moved to the Swedish League club LF Basket.
On March 25, 2015, he signed with the Greek club Apollon Patras. Sigkounas played with the junior national teams of Greece. With Greece"s junior national teams, he played at the following tournaments: both the 2003 and 2004 International Basketball Federation Europe Under-16 Championships, both the 2005 and 2006 International Basketball Federation Europe Under-18 Championships, and both the 2007 and 2008 International Basketball Federation Europe Under-20 Championships.