Selim is a former K-12 mathematics teacher who has taught overseas and in the US for 22 years, exploring intersections of technology and playful constructionist pedagogies in the classroom. At MIT App inventor he leads an NSF funded collaboration with YR Media (former Youth Radio) on the Youth Mobile Power series and the Outsmarting Artificial Intelligence project as well as coordinating international contests such as the App of the Month, Coronavirus App Challenge and the annual virtual Hackathon.