A product of the Belgian Basketball Federation system, De Zeeuw featured in the U16 European Championship in 2003 and then at Under-20 level in 2007 before making his senior debut in a EuroBasket qualifier in 2008. He was a member of the team at EuroBasket 2011 in Lithuania and was named as a reserve when the 2013 squad was reduced to 14 in late July. Originally starting his career with Brussels, he made his professional debut with Verviers-Pepinster, winning the Belgian Rookie of the Year award in 2009. He split two spells with the team with a season at Gent, where they ended bottom of the league. He joined Antwerp Giants in 2012 and featured in the EuroChallenge. He is supporter of Anderlecht Football Club. On Twitter @MaxDeZeeuw.