By Valentina Ko & Stacey Choe The idea of collective impact is quite central to APC and our work but what is at stake is figuring out how to make it work effectively. Given that and with our members in mind, we referred to a recent study conducted by Spark Policy Institute and ORS Impact on 25 such cases, outlining what are the key lessons in making collective impact work; what kind of projects they are good for, what are the critical ingredients; what can be applicable for us. Collective Impact Study: It has been about seven years since John…