Director INCOIS
Director and JC Bose National Fellow, CSIR-NEIST
Ministry of Earth Sciences (MoES)
International Union of Geodesy & Geophysics (IUGG)
School of Civil & Environmental Engineering
Member, Atomic Energy Regulatory Board (AERB)
President, Geological Society of India
American Geophysical Union (AGU)
Centre National d'Etudes Spatiales in France & International Space Science Institute in Switzerland'
Earth Sciences for Hydrosphere, Biosphere, and Geophysics
NASA/GSFC
ANRF, Ministry of Science & Technology
Technology Bhavan
Head Science Coordination Department
Direction de la Strategie / Strategy Directorate
Indian Institute of Tropical Meteorology (IITM)
Marine Institut de Physique du Globe de Paris
Australia New Zealand International Scientific Drilling Consortium
The Australian National University
Past Secretary, Australian Geoscience Council
Department of Estuarine and Ocean Sciences
School for Marine Science and Technology
University of Massachusetts Dartmouth