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Yanyan S. is an experienced manager in corporate strategy, currently serving at ArcelorMittal since October 2010. With expertise in data analysis, cost modeling, and financial valuation, Yanyan leads the pricing outlook on steel and related commodities. Previous roles include Senior Treasurer, managing over $12 billion in cash flow annually across 12 currencies, and Financial Controller overseeing approximately $50-60 billion in procurement planning and budgeting. Yanyan's career commenced at ArcelorMittal in 2009, where significant contributions included supplier risk analysis and deployment of a global purchasing IT tool. Earlier experience includes a role as an SAP FI/CO consultant at BGP China National Petroleum Corporation and an internship at Beijing Hai-Tang Consulting. Academic qualifications include an Executive MBA specializing in M&A integration strategy from Imperial College Business School, a Master's in Engineering/Industrial Management from KTH Royal Institute of Technology, a Master's in Economics and Administration from Beijing University of Aeronautics & Astronautics, and a Bachelor's in Biochemical Engineering from Beijing University of Chemical Technology.