Sook Muk

Executive Committee member and strategic financial leader for Walmart China ($25B net sales), one of the Group’s fastest-growing and most digitally advanced international markets. Since 2024, I’ve helped drive a 25% increase in net sales, from $20B to $25B; ensuring this growth is funded smartly. With over 50% of revenue now via digital channels, my focus is on balancing the purposeful expansion of Sam’s Club with the strategic transformation of our Walmart Supercenters and new community stores. I partner closely with the CEO and cross-functional leadership to translate China’s unique market complexities into high-conviction investment decisions, including shaping the financial strategy behind our integrated O2O ecosystem, where physical stores, digital platforms, and supply chain converge to deliver rapid omnichannel fulfillment. At the same time, I’m building a next-generation finance organization, elevating the leadership team and investing in capabilities across financial planning and shared services to match the speed and sophistication of the Chinese retail landscape.

A strategic industry pivot into an officer-level position at Mexico’s largest retailer, a BMV-listed public company generating $40bn annual revenue with over 3,000 stores serving five million customers daily. Led strategic financial planning and commercial finance for this complex multi-format business, providing decision support and performance analytics that drove profitable growth. Partnered with senior leadership to develop and execute financial strategies across Walmart’s diverse ecosystem: omnichannel retail (Walmart Supercenters, Express, Sam’s Club, Bodega Aurrerá), digital and financial ventures (Cashi payments, remittances, financial services), and growth initiatives (BAIT mobile, Walmart Connect, Walmart Health). Established Commercial Finance as a strategic business partner function that identified growth opportunities and operational efficiencies across the enterprise.

The most senior of my bp roles: strategic financial leadership for a 9,000-site retail network across 14 international markets. A complex portfolio optimization challenge — orchestrating capital allocation to support bp’s pivotal transition from traditional fuel retail toward future mobility solutions, including EV infrastructure and digital convenience. Directed investment frameworks for new mobility concepts and led strategic cost restructuring to enable high-priority growth, ensuring the finance organization matched the pace of an industry-wide transformation.

Appointed to lead bp’s strategic fuels business in Mexico during a critical period, assuming full P&L accountability while maintaining concurrent CFO responsibilities. Directed all operational and commercial aspects of Mexico’s largest IOC-branded retail network — 530 retail sites, fuel supply chain, midstream infrastructure, and 1,500+ employees.

Led the financial strategy behind bp’s most significant market entry in over two decades. Following the historic deregulation of Mexico’s energy sector, I built a multi-billion dollar retail infrastructure from the ground up — from the first site opening in March 2017 to the largest IOC network in the country with over 530 retail gasoline sites. Built scalable finance infrastructure from scratch while implementing risk management frameworks and generating the strategic insights that shaped market entry and expansion decisions.

Led strategic investor communications for bp’s $222B Downstream segment; crafting the financial narrative for quarterly earnings, NYSE/LSE announcements, and investor day updates, bridging internal performance with the global investment community.

Partnered with the Air BP CEO to shape the long-term strategy for a global aviation business spanning 900 locations across 50+ countries. Led large-scale step-out projects, including biojet participation and new technical services revenue streams, diversifying the portfolio into sustainable energy.

Full-spectrum CFO responsibilities for bp’s aviation fuels business across Brazil and Chile, including South America’s largest airport, São Paulo Guarulhos. Reporting to the global Air BP CFO, led planning, performance reporting, strategy development, tax compliance, and acquisition integration of new airport assets and operations.

Finance director and management team member for Air BP’s Western Europe business covering the UK, France, and Benelux markets, including operations at London Heathrow, Paris Charles de Gaulle, and Amsterdam Schiphol. Responsible for annual planning, performance management, and commercial strategy and portfolio optimisation.

Supported bp’s Downstream business in managing compliance and ethics risks, with focus on competition, anti-trust, anti-bribery, and corruption. Co-developed formal risk management processes integrated into Downstream annual planning, and built business risk matrices and mitigation plans with CFOs and Compliance & Ethics Leaders across the organisation.

Qualified as an ICAEW Chartered Accountant (ACA) with first-time passes throughout. Nearly eight years in assurance and advisory in London, building the technical accounting and audit foundation that has served as the bedrock for a career in strategic global finance.

First-time passes throughout