AVP @ ▪ Designed/built wkly recon process from scratch, refined algorithms, applied caching, multi-threading to improve performance(C++) ▪ Analyzed & solved data inconsistency cooperating with LOBs & MO per SOR, reconciled 10M+ trades per recon at position level to 92% match as from 60% by investigating breaks & deriving mapping logics ▪ Employed the automatic methodology and prioritized tasks to meet urgent deadline given increasing workload but limited resources ▪ Initiated the wkly graphic trending reports for high profile meetings which was later adopted as a popular template across projects ▪ Programmed in Python using internally built Qz Dev platform and delivered Apps to adapt to the instant demands (Python, C#) From March 2011 to January 2012 (11 months) Quality Assurance @ From August 2010 to December 2010 (5 months) Financial Modeling Intern @ From May 2010 to July 2010 (3 months) Campus Ambassador, Green Card Engineer, Marketing Associate @ Organized Southern China area campus events. Promotion strategy and sale strategy implementation From November 2006 to May 2009 (2 years 7 months) Management Trainee @ Customer & Marketing Knowledge Department; Sale forecast and market modeling. From June 2008 to July 2008 (2 months)

Master in Science, Computer Science @ Columbia Engineering From 2009 to 2010 B.Eng, Information Engineering @ South China University of Technology From 2005 to 2009 High School Diploma, Science @ Jinling High School From 2002 to 2005 Ximin Zhang is skilled in: Data Analysis, Risk Management, Risk Analysis, Java, Matlab, SQL, C++, MySQL, Data Mining, Relational Databases, Quantitative Research, VBA, SQL Server, Excel, Linux