Hee Yu Lee

Senior finance executive and former Big 4 Equity Partner with 15+ years of deep expertise across the international energy sector — upstream, downstream, energy trading, renewables and energy transition. Proven track record advising Boards, Audit Committees and CFOs of major listed energy companies on the most complex financial reporting, governance and control matters — bringing commercial judgement, technical rigour and executive presence to high-stakes decisions. Led a 600-person, $50m global programme as senior partner on the Shell plc Group audit — one of the largest and most operationally complex financial oversight mandates in the global energy sector.

Direct experience of large-scale finance transformation: led independent financial reporting oversight of a multi-year ERP implementation and operating model restructuring programme, encompassing ~20% headcount reduction and large-scale offshoring to shared service centres. Capital markets experience across a wide transaction range — from $10m bond issuances to ~$10bn — including RCF refinancings, project finance structures and equity capital markets transactions. Delivered £2m+ annual efficiency savings as LEAN Kaizen Lead, applying structured process redesign across a complex, multi-jurisdictional programme.

People leadership at scale: four years as People Lead for EY London's energy audit department with accountability for ~250 professionals, achieving the highest engagement scores in London Audit. PCAOB accreditation; extensive expertise in IFRS, US GAAP, SEC reporting, SOX/ICFR and Foreign Private Issuer obligations — particularly relevant for US-listed or dual-listed portfolio companies.

Audit Partner — Energy & Natural Resources at Ernst & Young LLP (2022-07 – 2025-12)

Equity Partner from July 2025.

• Senior partner on the Shell plc Group audit — one of EY's largest and most complex global engagements, comprising a 600-person team and $50m annual budget across upstream, downstream, trading and renewables operations spanning multiple jurisdictions.
• Signing partner for Shell subsidiary entities across downstream and renewables operations (2023 and 2024 audits) — covering refining and marketing businesses, retail networks, and renewable energy assets including EV charging.
• Trusted adviser to Board, Audit Committee and Group CFO on the most complex and high-judgement financial reporting matters — including oil and gas asset impairments, climate change-related accounting estimates, Corporate Governance Code compliance, and SOX/ICFR design and effectiveness.
• Led independent financial reporting oversight of a multi-year, large-scale finance transformation programme — encompassing ~20% headcount reduction, large-scale offshoring to shared service centres and ERP implementation — reporting conclusions on financial statement integrity throughout to the Audit Committee.
• Capital markets advisory across a wide transaction range — bond issuances ($10m to ~$3bn), RCF refinancings and project finance structures — assessing financial reporting and accounting impacts for the Board and treasury teams.
• Appointed SME Partner on an external reporting project for a major Gulf state-owned energy group, advising on development of a non-GAAP reporting framework aligned to global listed energy major standards.
• LEAN Kaizen Lead for the Shell engagement — delivered £2m+ in annual efficiency savings through structured process redesign across the audit lifecycle.
• People Lead for EY London's energy audit department for four years — accountability for ~250 professionals across all grades. Achieved engagement scores above 85%, the highest in London Audit. Introduced reverse mentoring, targeted wellbeing support and structured development pathways for under-represented groups.
• Signing partner for Tullow Oil plc subsidiaries (2022) — going concern assessment, oil and gas reserves, impairments and decommissioning provisions.
• Signing partner for Low Carbon Ltd (2022–2024) — valuation of renewable energy assets at various stages of development and operation, decommissioning provisions and project finance structures.
• Held PCAOB accreditation throughout; responsible for all aspects of SEC filing compliance, US GAAP reporting and Foreign Private Issuer obligations including 20-F filings and quarterly reporting cycles.

Associate to Senior Manager — Energy Assurance at Ernst & Young LLP (2010-09 – 2022-06)

• Progressed through EY's energy assurance practice over 12 years, building deep technical specialism across the full energy value chain — upstream E&P, downstream refining and marketing, energy trading, and renewables — on a portfolio of major international clients.
• Senior audit team member on BP plc — FTSE 10, dual-listed oil major — developing deep expertise in trading operations of one of the world's most complex integrated energy businesses, including commodity trading and fair value assessment.
• Audit team member on Eni SpA — Milan-listed international oil and gas major — gaining experience in upstream operations.
• Drove implementation of agile audit methodology on a FTSE 10 engagement, with the approach adopted as a model for wider rollout across the practice.

Climate Analyst at AccountAbility (2009-08 – 2010-06)

• Lead author of the Climate Competitiveness Index, a flagship research programme sponsored by the United Nations Environment Programme (UNEP), analysing climate strategies, energy transition policies and emissions data across 95 countries.
• Developed quantitative and qualitative assessment frameworks adopted by policymakers and institutional investors — providing early grounding in ESG governance and sustainability reporting.

Honorary Treasurer at British Korean Society (2019 – Present)

Member of the executive committee.

• Financial stewardship, budgeting, financial reporting, reserves management and financial controls governance.

ACA in Chartered Accountant – ICAEW

MSc in Management – Bayes Business School (formerly Cass)

BSc in Business Administration – SungShin Women's University