Noureddine Abbes graduated from Notre Dame University Indiana, USA in 1985 with a MSc in Inorganic chemistry. He started his professional career, working for three years on a national project aiming at the recovery of potassium and magnesium values from the brines of the Zarzis mine (south of Tunisia). In 1988, he joined Groupe Chimique Tunisien, as a research engineer at the Quality Control Division. In 1994, he joined the R&D Directory and has worked mainly on phosphate processing, partial and total purification of phosphoric acid, as well as phosphogypsum treatment and use. From 2010 to 2018, he was a research director at GCT with a particular interest in recovery of uranium and REE recovery from phosphoric acid, and was involved in national, regional and international projects related to this topic (IAEA as a reference). Following his retirement in 2019, he is a specialist consultant.