Lei Zhou Email & Phone Number

Greater San Diego Area

San Diego

Greater San Diego Area

• Analysis of large datasets. Used and developed tools to gather, analyze and understand large amount of transaction data, perform data cleaning and filtering, and ensure data quality. • Performed statistical analyses leading to the understanding of the structure of datasets. Constructed model datasets and provided data quality reports to support the internal technology team to develop fraud predictive models.• Worked with clients to investigate and resolve production and consortium data problems, while identifying and flagging the data issues might have significant impact on the model performance. Conducted periodic client data validation to enable optimal modeling data. Monitored client credit/debit data feed contribution.• Worked closely with external clients through conference calls, emails and analysis reports to ensure any problems were addressed, understood and solved. Validated consortium data, working internally with model team.• Established knowledge of MasterCard and Visa data source and data specification and a strong understanding of data quality and data sources.

Greater San Diego Area

Performed data entry, maintained and updated various databases and inventory, provided customer service, and processed shipping and handling of packages.

Certificate, Data Mining

Master Of Science (Ms), Electrical Enginnering

Research Thesis: RF MEMS DC Contact Switch for Reconfigurable Antennas Publication: Zhou, L., Sharma, S., Kassegne, S., 2008..