Stephanie Zipkin
Principal Data Scientist at Austin Data Labs- Claim this Profile
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Bio
Experience
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Austin Data Labs
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United States
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Software Development
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1 - 100 Employee
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Principal Data Scientist
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Aug 2021 - Present
• Designed workbench application to provide centralized commodity tracking and forecasting for dairy and meat value chains • Built python scrapers to compile rich repository of global market prices and fundamentals for food commodities • Advanced data science capabilities to enable deep learning, forecast blending, and dynamic scenario recalculation
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Senior Scientist
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Mar 2015 - Jul 2021
San Francisco Bay Area • R&D in bringing machine learning into new analytics offerings and internal strategic initiatives • Received 2020 President's Club award for exceptional performance in helping launch new solution addressing retail pricing needs and demand modeling • Designed decision support feature to automate beneficial user influences on forecasts by classifying their likely impact and predicting their influence tendencies • Built a feedback-learning model to rank results based on users' likelihood… Show more • R&D in bringing machine learning into new analytics offerings and internal strategic initiatives • Received 2020 President's Club award for exceptional performance in helping launch new solution addressing retail pricing needs and demand modeling • Designed decision support feature to automate beneficial user influences on forecasts by classifying their likely impact and predicting their influence tendencies • Built a feedback-learning model to rank results based on users' likelihood of acceptance • Created clustering process for customer segmentation based on purchase product mix • Prototyped recommendation web service for a destination travel chat bot
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Scientist II
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Jan 2014 - Feb 2015
San Francisco Bay Area • Implemented profit optimization models and business reporting analytics to help a top Australian beef supplier with their sales and operations planning • Awarded top prize in company case study competition for best customer success story and value measurement • Collaborated with developers to introduce aggregation mechanism in forecasting module to improve reliability and efficiency
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SignalDemand
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Software Development
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1 - 100 Employee
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Senior Scientist
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Aug 2012 - Dec 2013
San Francisco Bay Area • Led project implementations for commodity forecasting solutions and provided post go-live customer support for any science-related questions • Spearheaded the Data and Science Monitoring Framework initiative to create a comprehensive automated monitoring system that would track data errors and model performance to enhance the quality and scalability of analytic products and services • Updated science training materials for new hire orientations
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Senior Science Analyst
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Nov 2010 - Jul 2012
San Francisco Bay Area • Automated weekly monitoring report via SQL/VBA that measures accuracy and plots error curves for various forecast models across different time horizons • Systematized multi-layer linear regression modeling and result tracking process in R/Unix which enabled rapid prototyping and comparison of forecast models • Researched multiple clustering techniques based on different metrics including price differentiation and volatility for the internal initiative of standardizing and improving the… Show more • Automated weekly monitoring report via SQL/VBA that measures accuracy and plots error curves for various forecast models across different time horizons • Systematized multi-layer linear regression modeling and result tracking process in R/Unix which enabled rapid prototyping and comparison of forecast models • Researched multiple clustering techniques based on different metrics including price differentiation and volatility for the internal initiative of standardizing and improving the segmentation process of customer sales data
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FICO
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Italy
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Design Services
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Analytic Scientist II
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Sep 2009 - Oct 2010
• Supported the first FICO Credit Capacity Index development for the Korean Credit Bureau as the main analyst throughout the stages of data investigation, model development, and data validation • Facilitated experimental designs for future enhancements to the FICO Score and the FICO suite of predictive characteristics • Developed Java programs to automate data project preparation before the modeling phase
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Analytic Consultant II
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Jan 2009 - Sep 2009
• Led modeling engagement that reduced origination risk for the student loan portfolio of a top 3 US bank
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Analytic Consultant I
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May 2007 - Dec 2008
• Received company SPOT Award in recognition of outstanding achievement in consulting engagements with major credit lenders • Delivered over 50 statistical models on a 3-month onsite project in a large retail bank in China, responsible for forecasting risk, minimizing losses, and calculating capital reserve allocation to meet Basel II compliance for their retail portfolios that totaled $600M in exposure • One of three main consultants to build 40 risk models on a $1M project for a startup… Show more • Received company SPOT Award in recognition of outstanding achievement in consulting engagements with major credit lenders • Delivered over 50 statistical models on a 3-month onsite project in a large retail bank in China, responsible for forecasting risk, minimizing losses, and calculating capital reserve allocation to meet Basel II compliance for their retail portfolios that totaled $600M in exposure • One of three main consultants to build 40 risk models on a $1M project for a startup auto lender to launch their loan underwriting business
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Wells Fargo
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United States
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Financial Services
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700 & Above Employee
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Business Process Analyst
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Jun 2006 - Aug 2006
• Conducted time studies on the Online Fraud team and Accounting Control team internal processes • Proposed opportunities to streamline operation and increase productivity to senior management
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AMD
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France
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Architecture and Planning
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1 - 100 Employee
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Logistics Analyst
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Jul 2005 - Jan 2006
• Received Vice Presidential Spotlight Award for ramping production capacity of a key raw material for AMD’s Processor-In-Box (PIB) resale products under 6 week time crunch to support unprecedented 50% demand upsurge to 3M microprocessors per quarter • Constructed freight cost MS Excel model to help identify $5M/year savings by revising assembly location and loading strategies and presented final solution to Division Vice President • Managed daily production issues with assembly and raw… Show more • Received Vice Presidential Spotlight Award for ramping production capacity of a key raw material for AMD’s Processor-In-Box (PIB) resale products under 6 week time crunch to support unprecedented 50% demand upsurge to 3M microprocessors per quarter • Constructed freight cost MS Excel model to help identify $5M/year savings by revising assembly location and loading strategies and presented final solution to Division Vice President • Managed daily production issues with assembly and raw material vendors Show less
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NUMMI
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South Africa
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Financial Services
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1 - 100 Employee
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Process Improvement Analyst
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Jan 2005 - Jun 2005
• Optimized parts ordering procedure and quantities that saved over $250k in freight costs • Simplified dolly delivery process, resulting in 2.5 hrs of labor savings per day • Created MS Access database applications to track resolution of logistics issues and automate queries and reports of key performance metrics, material supply, and manpower utilization
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Education
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Stanford University
Master of Science (M.S.), Management Science and Engineering -
University of California, Berkeley
Bachelor of Science (B.S.), Industrial Engineering and Operations Research