Original sentence: Edward "Eddie" Goldenberg served as a senior political advisor to Canadian Prime Minister Jean Chrétien, considered among the most influential, with Jean Pelletier and Aline Chretien.Goldenberg served briefly as Chrétien's Chief of Staff during his final months in office, before leaving to become a partner at the Ottawa office of law firm Stikeman Elliott LLP
Edited sentence: Edward "Eddie" Goldenberg served as a senior political advisor to Canadian Prime Minister Jean Chrétien, considered among the most influential, with Jean Pelletier and Aline Chrétien.Goldenberg served briefly as then Prime Minister Chrétien's Chief of Staff during his final months in office, before leaving to become a partner at the Ottawa office of law firm Stikeman Elliott LLP