Ahmed EL BOUZIDI is a Moroccan analytical chemist and PhD researcher at Hassan II University of Casablanca, Morocco. He holds a Master's degree in Analytical Sciences and Instrumentation from Mohammed V University in Rabat and has over ten years of professional experience in analytical chemistry, geochemical analysis, and laboratory quality assurance. He is currently working at the Reminex Research Center in Marrakech, Morocco. His research focuses on the development, optimization, and validation of analytical methods for complex geological and mineral matrices, with particular emphasis on inductively coupled plasma optical emission spectrometry (ICP-OES) and inductively coupled plasma mass spectrometry (ICP-MS). His scientific interests include analytical chemistry, geochemical analysis, chemometrics, analytical method validation, rare earth element (REE) characterization, statistical modeling, and data-driven optimization of analytical techniques. His work aims to enhance the accuracy, precision, robustness, and reliability of analytical measurements through advanced instrumental techniques and chemometric approaches.