Alejandro Martinez Martinez is a Professor in Pharmacy at the Universidad de Antioquia, Facultad de Ciencias Farmaceuticas y Alimentarias in Medellin, Antioquia, Colombia, a position he has held since February 27, 1985. [cite: 1, 2] His areas of expertise include marine natural products chemistry, phytochemistry, natural products chemistry, and bioactive natural products. [cite: 1] Martinez Martinez is also known by A. Martinez, Alejandro Martinez Martinez, ALEJANDRO MARTINEZ-MARTINEZ, MARTÍNEZ MARTÍNEZ, ALEJANDRO, Alejandro Martinez-Martinez, and Martinez A. [cite: 1] He earned his Dr. Sci. in Chemistry from the Universidad Nacional de Colombia Facultad de Ciencias, attending from January 15, 1992, to April 20, 1996. [cite: 3, 4] Prior to this, he completed a Chemist M.Sc. in Chemistry (1982-1987) and a Chemist degree (1977-1982) at the same institution. [cite: 3, 5, 6] Martinez Martinez was a regular member of the American Chemical Society in the Agricultural and Food Chemistry division from January 1, 1999, to March 18, 2024. [cite: 3, 7] His research output includes 41 works, with publications such as "Epidioxy-Sterol-ANB Inhibits the Growth of Mycobacterium tuberculosis Affecting the Cholesterol and Folate Pathways" in *Frontiers in Microbiology* (2020) and the book "QUIMICA DE PRODUCTOS NATURALES" (2020). [cite: 3, 8] His publications span various topics including the study of marine organisms for potential pharmaceuticals, such as sterols, alkaloids, saponins, etc.