Ringo Yu brings over 20 years of cross-industry experience in corporate ESG compliance, sustainability reporting, climate change, and net-zero decarbonization. He leads ESG consulting services, covering sustainability projects, carbon audits, and report drafting aligned with GRI, SASB, HKEX, and ISSB-IFRS S1/S2 standards.

His expertise includes corporate sustainability strategy, stakeholder engagement, supply-chain sustainability, and ESG compliance in M&A. Mr. Yu has contributed to AI-driven ESG KPI platforms, focusing on carbon reduction, climate mitigation, sustainable finance, and Scope 3 emissions. He specializes in ESG go-to-market opportunities for mainland Chinese enterprises pursuing Hong Kong IPOs and researches HKFRS S1/S2 adoption for financial institutions.

Rex Hui is a sustainability professional with a Master’s degree in Sustainability, bringing over 5 years of strategic expertise in climate environmental, supply chain decarbonization and greenhouse gas (GHG) management. Specialized in the whole cycle of a corporate’s decarbonization journey, ranging from developing GHG Inventory to supporting clients through Science Based Targets initiative (SBTi) approval processes, and from preparing an emissions reduction roadmap to CDP reporting disclosure. He also engaged and guided internal staff for sustainable procurement of materials during his career. He is also a CFA Level III-passed candidate and is initiating green finance collaboration between the financial institutions, the borrowers and the validation and verification bodies (VVB).

William Cai is a seasoned sustainability professional with deep expertise in ESG strategy, carbon management, and green logistics. As a Senior Energy & Low-Carbon Consultant and Green Logistics Product Manager at Bureau Veritas, he holds top-tier credentials including AA1000 ESG Assurance Lead Verifier, SBTi Official Expert, and EFFAS CESGA Certified ESG Analyst. William has led numerous ESG assurance and advisory projects for multinational corporations such as Alibaba, British American Tobacco, and YOFC, covering CSRD readiness, ESG reporting, and strategic training. His cross-disciplinary background spans carbon footprint verification, climate risk assessment, and science-based target setting, enabling him to bridge technical rigor with business value. Often invited to share insights at industry forums, William combines hands-on implementation experience with a forward-looking view on climate finance and regulatory trends, empowering organizations to navigate the low-carbon transition with confidence.