I presume I had too many queries to expect a response on my last post.
Need suggestions on good schools/programs in US/Canada for PhD in Business to Business marketing.
First of all age is not a factor for phd.
Assuming your SOP, LOR & other stuff are up to the mark.
I can only conclude that your Gmat score is low and you should also improve your TOEFL score.
I dont know about canada but you can find 13-14 good schools in USA for Phd :