The Year 3 meeting was held online, following the pandemic travel restrictions that were in place at the time.

The Year 2 meeting was held online, following the pandemic travel restrictions that were in place at the time.

The Year 1 meeting was held in Paris, France.

The ACTOR kickoff workshop took place at McGill and Université de Montréal. Members gathered for an initial discussion on the goals of the project according to each sub-axis.