Dr. Zaira Zaman Chowdhury is working as a Senior Lecturer in  Nanotechnology & Catalysis Research Centre (NANOCAT), a potential National HICOE and UM COE. Earlier, she was appointed as Senior Research Fellow under the same institution. She has completed her Post Doctoral Research Fellowship from 1/10/2013-31/03/2015 in Nanotechnology & Catalysis Research Centre (NANOCAT), University Malaya. Previously, she was appointed as Research Officer in Nanotechnology & Catalysis Research Centre (NANOCAT), University Malaya from 1/04/2013 to 30/09/2013.  She has started her career with University Malaya from November 2008 Research Assistant in the Department of Chemistry under supervision of Prof. Dr. Sharifuddin Mohd. Zain. She received her PhD in Environmental Analytical Chemistry from University of Malaya in 2013, whilst MSc. In Polymer Engineering and Technology from University of Dhaka, Bangladesh in 2003, and BSc. in Applied Chemistry and Chemical Engineering Technology from University of Dhaka, Bangladesh in 2001 and Bachelor in Education (BEd.) in 2007 from Royale University of Dhaka, Bangladesh. She has completed her training in Environmental Analytical Chemistry from TAFE, Sydney, Australia. She has received Cambridge International Diploma for Teacher & Trainers (CIDTT) from Cambridge University, UK with “Distinction” in 2006-2007. She has experience in the development of fiber polymer composites, waste water treatment and adsorbent preparation for batch and fixed bed adsorption system. She has worked for synthesis of micro and nano structured carbon and biomass processing using catalyst. She has conducted some research to illustrate the catalytic application of carbon as well as extraction of nano and micro dimensional cellulose. She has contributed more than 117 papers in ISI & Scopus top ranking journal with 95 international Conference Proceedings. At present she is guiding 12 PhD and 11 Mphil scholars. She has 49,715.65 RM International Grant achieved from International Industries and Universities. As a Principal investigator, she had 163,336 RM earlier. At present  (2021) she had internal funding of 3,56,000 RM and external funding of 3,37,215.86 RM as PI and co-researcher.  She has 2 International Patent having H index 25.