Samantha Rabinowicz is a senior project coordinator at CEPR. Her work includes creating, facilitating, and overseeing professional development and coaching with the Mathematical Quality of Instruction (MQI) Instrument. Most recently she served a central role in the creation and implementation of the MQI Coaching program for an NSF-funded project. In collaboration with others, she developed the coaching protocols, trained coaches, provided ongoing development for coaches, and coached several teachers. Prior to joining CEPR, she was a middle school math teacher. Samantha holds a B.S. in secondary mathematics and special education from Boston University, and an Ed.M. in learning and teaching from the Harvard Graduate School of Education.