Dr Irene Chew main research field is in sustainable design which include pinch analysis, synthesis of eco-industrial park, waste-to-wealth optimization, bio-nanomaterial synthesis, neural network optimization, life cycle analysis. She works closely with industrial partners in solving critical environmental and process optimization problems. She has graduated nine PhD/Master students and she contributes in teaching Chemical Engineering subjects include Sustainable Processing, Material and Energy Balances, Engineers in Society and Design Project.