Karygiannis was the National Chairman for MP Joe Volpe 's campaign to lead the Liberal Party of Canada .
Chairman resigned on July 21 , 2006 over disagreements with MP 's pro-Israeli stance on the conflict in Lebanon .
Karygiannis was the National Chairman for MP Joe Volpe 's campaign to lead the Liberal Party of Canada , but he resigned on July 21 , 2006 over disagreements with Volpe 's pro-Israeli stance on the conflict in Lebanon .