Prof. M.Jayananda has unique blende of expertise across several disciplines of geosciences including tectonic fabric analysis, petrology, solid earth geochemistry and radiogenic isotopes. He has focused multidisciplinary research on early Earth dynamics, origin of habitable continents, shift from anoxic to oxygenation of Archean ocean, Cenozoic surface dynamics, landscape evolution and topographic build-up in Western Ghats. Recently he has initiated a new study on Trans-Himalaya addressing the magmatism, tectonics, environmental crisis across Permo-Triassic boundary. For the past four decades he has worked in Universities in India (Bangalore University, Delhi University and Hyderabad Central University) and France (Universite de Rennes I) contributing to research, teaching, mentoring PhD, post-docs, outreach, and public engagement. He has also contributed to the global science community as Editor-in-Chief of the International Union of Geological Sciences (IUGS) flagship journal ’Episodes’ 2009-2013, Editor-in-Chief of the Himalayan Geology (2017-), Associate Editor of Journal of Earth System Science (2013-2016), Regional Editor of Gondwana Research (2004-2007), Editorial board member Journal of Geological Society of India (2009-2018), Precambrian Research (2020-) and Jour Asian Earth Sciences (2008-). He has participated in IUGS programs (IGCP projects), participating in National Committees, outreach activities by delivering lectures at different Universities and as a mentor at Government of India flagship science program of Inspire Camps for high school students. In view of these contributions to research, academics, mentoring of students, capacity building and promotion of science through editing/reviewing, he has been conferred several National Awards, elected to the Fellowship of all the three National Science Academies of India and J.C. Bose National Fellowship.