Senior lecturer and head of the mathematics-physics department at the David Yellin College of Education. Formerly, Dr. Gal was a teacher of mathematics and an educational mentor; she also founded and directed the regional (comprehensive) high school in Ma'ale Efraim, developed and taught in-service education and professional development programs for math teachers, and at the David Yellin College, initiated and heads the "From One End to the Other" program, for the instruction of mathematically and scientifically talented students in mixed-ability classes. Her areas of expertise include professional training and development for mathematics teachers (with an emphasis on teaching students that find math difficult on the one hand, and on mathematically talented students, on the other) and on wide-ranging aspects of the difficulty in teaching geometry. Dr. Gal holds an M.Sc. in applied mathematics (1978), a teaching certificate for mathematics and physics and a Ph.D. in mathematics education from the Hebrew University of Jerusalem (2005).