A few years ago, he realized that oncological surgeons in the province did not interact enough and that they needed some well-designed social learning spaces to adopt new practices and serve patients better across the province. So he started to work with a non-profit, CancerCare Ontario, to cultivate communities of practice around key domains in the profession. The awareness that these learning spaces were needed, the recognition that he had the legitimacy to do something about it, and the decision to go ahead, all these are acts of learning citizenship.