Harry Ruben has extensive experience in various leadership roles, currently serving as a DB lid at Waterschap Noorderzijlvest since January 2009, focusing on bedrijfsvoering and financiën. Concurrently, Harry Ruben holds the position of voorzitter Raad van Commissarissen at Woonstichting Groninger Huis. Previously, from 1994 to 2004, Harry Ruben was Wethouder in Gem. Appingedam, overseeing areas including financiën, sport, welzijn, onderwijs, and openbare werken. Harry Ruben's educational background includes studying at Hogere Zeevaartschool Groningen from 1959 to 1961.