Liron Schwartz-Aviad is a PhD student and a member of the i-MAT assessment team. She investigates the professional development of mathematics teachers in a professional development program for teaching mathematical modelling. Liron worked as a biology teacher at the secondary level. She holds a B.Sc. in biology from the Technion, and an M.Sc. in science education (summa cum laude) from Bar-Ilan University.