Constantin MORARU, Dr. habilitatus, PhD, is the Head of the Laboratory of Hydrogeology at the Institute of Geology and Seismology of the Republic of Moldova. He is a Hydrogeologist with a wide range of international scientific experience. His research focuses on Low Temperature Hydrogeochemistry, Ground and Surface water contamination and water resources protection. As a researcher he contributed with many significant publications in hydrogeology areas, including 6 books. Dr. Moraru conduct hydrogeochemistry research and mentor undergraduate and graduate students.