Dr. Tiwari obtained his post-graduate degree in Geophysics from Banaras Hindu University (BHU), Varanasi. He took up a scientific career at CSIR-National Geophysical Research Institute (CSIR-NGRI), after receiving a PhD in Geophysics from NGRI-BHU. Dr.Tiwari’s research interests primarily focus on deciphering subsurface mass distribution and mass transport relevant to a wide range of scientific and societal applications such as elucidating structure and dynamics of different geological settings in Indian lithosphere, variation in water storage over Indian subcontinent and mapping of sub-basaltic sediments. Besides well cited research papers in leading journals; he has also contributed significantly to the projects of Oil and Mineral Industries. He is a recipient of National Merit Scholarship; ONGC-AEG Best Thesis Award; Young Scientist Awards from INSA, CSIR, UP S&T; Krishnan Gold Medal by IGU, National Mineral Award by Ministry of Mines, GoI and Fellowship of National Academy of Sciences, India. He is also member of several national and international committees.