TORONTO: APJ Abdul Kalam was so much respected in Canada that the current Governor-General David Johnston delayed his oath-taking in 2010 so that he could personally - as president of the University of Waterloo - confer an honorary doctorate on the former Indian president.
Utilize the input text as a context reference, choose the right relationship between 'David Johnston' and 'University of Waterloo' from the options.
Options: employer, chief executive officer, creator, publisher