Maker Corps is a program delivered by the Maker Education Initiative (Maker Ed) to increase organizational capacity to develop and deliver maker programing. Since its inception in 2013, the program has grown to support over 100 organizations by providing professional development, connections to a community of other maker educators and individualized support. Over time the program elements have changed in response to feedback from participants, collaboration with evaluators and shifts in focus for Maker Ed’s goals. In the spirit of maker education – tinkering, observing, responding, iterating –