Share ▾ Newer Older Governor General (designate) David Johnston Sept. 19, 2010, 11:42 a.m. Canada's new (as of Oct. 1, 2010) Governor General, 69-year-old David Johnston , and his bodyguard ran together in the Canada Army Run. Mr. Johnston came in 4,889th in a field of 5,456. (Support ASI Photos .)