Dr. Houssam El-Kasti from Beirut, Lebanon. Currently teaching mathematics at the foundation program as a lecturer at Qatar University, Doha, Qatar. Professional in mathematics education with specialty of preparing teachers to teach conceptual mathematics with technology. Has a vast experience in teaching mathematics in schools and universities such as the American University of Beirut (aub) and the Lebanese University. Also experienced in teaching undergraduate and graduate mathematics education courses (in Lebanon). In the past 10 years, has attended more than 10 international conferences about mathematics education and teaching mathematics with technology where he presented his work and ideas. His greatest achievement was getting an invitation to present in the 14th International Congress on Mathematics Education (ICME 14) in Shanghai, China that was supposed to be held in July 2020 but was postponed until July 2021. His teaching philosophy stems from the Humanistic philosophy. He likes to use theories and educational researches to serve practitioners. To make mathematics more loved and appreciated by school-students he believes constructivism and STEAM education are the solution. For improving the practices of mathematics teachers he found that scaffolding and professional development done over many iterations are the solutions. His latest international collaboration is with JKU (Johannes Kepler University Linz, Austria) working on projects related to mathematics education theories, design, and STEAM education.