Roger Tseng is the Partner of Climate Change, Sustainability Services and ESG Advisory at Ernst & Young. With his extensive experience in sustainability and assurance, he represents Ernst & Young in various sustainability associations. Roger provides sustainability services including financial reports related to climate, CSR report advisory and assurance, international sustainability index, community investment, green finance, carbon pricing and strategy. Roger received his Ph.D. in Natural Resource and Environmental Management from National Taipei University and a Master of Accounting from Soochow University.