Talaat Salem is a math teacher educator at QRTA. Talaat has more than 25 years of experience in education, math teacher, master trainer, math supervisor, training specialist, math content designer, math content expert and teacher educator. He worked as a coach in HYBRID research study, math training specialist in school network program at QRTA since 2016 -2018, and teacher educator for TEPD since 2018 until now. He did two researches: - Levels of Geometric Thinking of students at the Primary Stage and Its relation with gender and achievement in mathematics. Al–Hashimiyah University, 2001. - The Effectiveness of a Training Program for Mathematics Teachers Based on a Lesson Study Approach on The Achievement and Development of Mathematical Thinking of the Preparatory Stage Pupils. Amman Arab University for Graduate Studies, 2011. Talaat has PHD degree in math education, Master degree in math teaching and curricula, higher diploma in math teaching strategies, and B.Sc. in Math.