Temuulen conducts research activities related to enhancing transparency capacity, carbon market development and climate governance toward NDC implementation and accelerating Net-zero transition in developing countries. She is currently involving in ASEAN net-zero roadmap development focusing on climate governance as enabling conditions to accelerate climate actions. She is also engaging transparency capacity building in Asian countries for the enhanced transparency framework (ETF) under Article 13 of the Paris Agreement. Her current project is implementing mutual learning programs for developing countries on their preparation of biennial transparency reports (BTRs), including Article 6 reporting. She is certified as an expert for the technical analysis of biennial update reports under the UNFCCC.  

Before joining IGES in 2019, she worked in a private company for conducting life cycle assessment (SimaPro) and assessing social and environmental risks in supply chain. She also worked in the Ministry of Environment and Tourism of Mongolia. She has M.Sc. in environmental pollution control from the Pennsylvania State University.