Dr. Juandi is a Senior lecturer at the Department of Physics, Faculty of Mathematics and Natural Sciences, University of Riau, and a consultant in the field of geophysics especially the provision of underground water potential. Dr. Juandi has 43 papers and scientific projects that are presented or published. He is a nationally recognized expert in many areas of the environment, Research on underground water. He is often asked by the private and government for underground water survey work, and the Earth physics symposium at several universities in Indonesia. Dr. Juandi is the Chairman of the Department of Physics, Faculty of Mathematics and Natural Sciences, University of Riau. Recent publications include papers on underground water. Dr. Juandi is a member of the Indonesian physicist association where he regularly attends scientific meetings. Dr. Juandi was recognized by his colleagues as an environmental physicist and became a co-promoter of the doctor`s program. Dr. Juandi has been investigating underground water for the past three years. Dr. Juandi is currently being promoted for Prof.`s position. At the University of Riau. He holds a Drs degree in Physics from the University of Riau and MSi with from Insititud Teknology Bandung, and PhD from the University of Riau.