Enabling Canadians’ access to publicly funded science is a key priority of science policy today. Open science involves not just access to the outcomes of taxpayer supported science, but also access to the data and scientists as well. How can the challenges and obstacles to open science be addressed? What science should be open? How do you balance openness with privacy and security? And how do you ensure that open science is accessible science? Mitacs Canadian Science Policy Fellows, policy professionals, and academic researchers develop solutions to achieve open science in government.