Passed away suddenly at his home in Vancouver B.C. on Saturday March 30, 2013 at the age of 51. He will be lovingly remembered by his children Pierce and Laurel and their mother Wendy Sayer. Dearly loved son of Marguerite and Arnold Mullin of Niagara Falls. Beloved brother of Kim Mullin-Giajnorio. Dear uncle of Megan and Erik Giajnorio. He will be sadly missed by his cousins Barry (Dixie) Vermeeren and Larry Vermeeren. Sean also leaves behind many good friends to cherish his memory especially Shawn Ireland, Ray Cheser, Graham and Edina Doctor and their family, Anna Loureiro, and Mike Baylok. Sean received his Honours Business Administration degree from the University of Western Ontario and then studied at the University of Virginia (Darden Business School) where he received his MBA He then went on to a successful career as a managing director with Morgan Stanley in New York and London, before retiring in 2004. Sean was an avid skier who loved spending time at his other home in Whistler, B.C. A viewing will take place on Saturday, April 6th from 6:00 to 8:00 pm at Columbia Bowell Chapel (219 6th St. New Westminster) followed by a Funeral Mass on Monday, April 8th at 10:00 am at Our Lady of the Mountains (6299 Lorimer Rd., Whistler). In memory of Sean donations to Lady of the Mountains Catholic Church Building Fund in Whistler would be appreciated by his family.