Originally from Oakville, Ontario, he is the son of journalist Sally Armstrong.
[1] He graduated from Acadia University and Université Laval before he began working for CBC Radio in Quebec City.
[2] In 2009, he returned to Canada as anchor of CBC Radio One's morning newscast World Report.
[4] Armstrong has received several awards including the RTNDA for Best Newscast in 2012 and the Golden Nymph for best TV news item at the Monte Carlo TV Festival in 2008.
He is married to fellow journalist Piya Chattopadhyay, whom he met while both were working for the CBC.