Dr. Shakir Ali is a hydrogeologist with over a decade of teaching and research experience in the field of hydrogeology. Dr. Shakir research interests include groundwater contaminants, particularly fluoride, environmental isotopes, and groundwater modelling. He has published 35+ research articles in international peer-reviewed journals and edited four books with Springer, including one in the HEC top series of Springer. Dr. Shakir has received 1250+ Google Scholar citations to date. He earned a master’s degree in hydrogeology from the prestigious Institute of India, IIT Bombay, and obtained his Ph.D. from the University of Delhi. Dr. Shakir has qualified several competitive examinations in India and been awarded numerous scholarships. He is an active reviewer for dozens of international journals published by Springer and Elsevier. He has also served as an Assistant Professor at Himachal Pradesh University and delivered numerous lectures on hydrogeology and geology.