Career
He is a 2.08 m (6 ft 10 in) tall power forward-center. He is currently playing with Olympiacos of the Greek League. After playing with the Apollon Kalamarias in the Greek minors, during the 2006-2007 season, Tsairelis began his professional career with Aris, in the Greek Basket League, during the 2007-2008 season.
He spent the 2008-2009 season with AEL 1964.
He then returned to Aris for the next two seasons, before joining PAOK in 2012. He then moved to the Spanish League club Canarias in 2014.
He joined the Greek Euroleague club Olympiacos in 2015. With Greece"s junior national teams, Tsairelis played at the 2004 International Basketball Federation Europe Under-16 Championship, the 2006 International Basketball Federation Europe Under-18 Championship, and at the 2007 and 2008 International Basketball Federation Europe Under-20 Championships.
Pro career.