R. S. Ajin works as a Hazard Analyst (Geology) with the Kerala State Disaster Management Authority (KSDMA), Thiruvananthapuram, India. He has an M.Sc. degree with First rank in Applied Geology from the University of Madras (Chennai, India) in addition to have completed more than 120 online short term courses and attended more than 30 training courses. With six years of research experience, he has presented and published more than 20 research papers and edited/reviewed more than 500 manuscripts for various national and international conferences and journals. An Editorial board member for seven international journals and associated with more than 60 international conferences as a member of Scientific Committee, Technical Program Committee, and Reviewer Committee. He is a member of the Council of Asian Science Editors (CASE) and a life member of more than 10 professional societies which include Indian Society of Remote Sensing (ISRS), Indian Institute of Geomorphologists (IGI), Indian Association of Hydrologists (IAH), Association of Geoscientists for International Development (AGID), among others. The Government of Kerala awarded him ‘Good Service Entry’ for his meritorious service during the 2018 Kerala Floods, and he received a ‘Letter of Appreciation’ from the District Collector & Chairman, District Disaster Management Authority (DDMA), Idukki for his meritorious service during the 2018 Kerala Floods. He is a Certified Publons Academy peer reviewer and mentor. He received the Publons Peer Review Awards 2018 for being in the top 1% of reviewers in the ‘Assorted’ category. His research interests are Disaster risk reduction (mainly flood, landslide, and wildfire risk zone mapping and management), Remote sensing & GIS (Applications in Earth and Environmental Sciences), Hydrogeology, Geomorphology, and Environmental geology.