Ms Han has over 18 years on environmental engineering and management experiences in audit and consulting. She specializes in ESG & sustainability reporting, sustainability management and climate change. Ms. Han has conducted numerous of Sustainability Report Assurance, ISO20400 Sustainable procurement performance assessment, Target Force on Climate-related Financial Disclosure (TCFD) performance assessment, ISO 20121 Events Sustainability Management audit, ISO 14064-1 Greenhouse Gas verification audit, ISO14067 Carbon footprint of products verification audit, ISO 14046 Water footprint verification during the course of her career.