Tarik El Kalai is a highly educated professional with a diverse background in engineering, mathematics, and computer science. He holds a Master's degree in Operations Research from Columbia University, as well as a Bachelor's degree and a Diplôme d'ingénieur in Mathematics and Computer Science from École Polytechnique. Additionally, he obtained a Master of Engineering degree in Applied Mathematics from the same university.

El Kalai has held various positions during his professional career, including CTO at Bohr Conseil, CTO and co-founder at Koondal, and CEO of DuDef. He has also worked as a freelance Full Stack Engineer and Data Scientist under the name El Kalai Expertise. In all of these roles, El Kalai has developed a reputation for excellence in his work, using his skills to bring innovative solutions to complex problems.

Overall, Tarik El Kalai has an impressive background in engineering, mathematics, and computer science, along with significant experience in leadership and entrepreneurship. He is a talented and driven individual who is always looking for new challenges and opportunities to excel.