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Dasom Lee personal email
Dasom Lee is a Data Scientist II - Alexa AI @ Amazon at Amazon. They possess expertise in python, scipy, pandas, scikit learn, r and 11 more skills. They is proficient in Chinese.
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Data Scientist IiAmazon Aug 2020 - PresentSeattle, Wa, UsAlexa AI Web Information TeamCustomer Engagement Technologies Team Grocery Supply Demand Team- Improved Alexa’s response accuracy for newsworthy queries by fine-tuning contextual passage re-ranking models with time sensitive features.- Provide insights of A/B testing results in the decision-making process for a new product's international roll out.- Built predictive models with gradient boosting algorithms to design key metrics to measure customer satisfaction.- Automate scalable ETL processes for cleaning, aggregating, and loading data into Redshift to support analytic querying. -
Associate Data ScientistBlizzard Entertainment Mar 2019 - Jul 2020Irvine, Ca, Us- Led MAU growth analysis for Latin American countries using KNN to measure incremental gains of new players - Built an end-to-end pipeline for media campaign revenue prediction model using LightGBM with Tweedie-based loss function and deployed to the production environment with Docker to aid Strategists optimize the budget allocation planning -
Data Scientist InternBlizzard Entertainment Jun 2018 - Aug 2018Irvine, Ca, Us- Automated A/B testing process that calculated traffic allocation and ran statistical analysis on performance of media campaigns to aid data-driven decision making - Conducted data filtering and outlier detection on audience segmentation using MySQL, found 50K seed audience of active players and frequent virtual buyers, and targeted them in a new media campaign
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Center For Decision Sciences, Research AssistantColumbia Business School Jan 2018 - May 2018New York, Ny, Us- Reduced error rate by 20% by building the first workflow automation model for decision-making patterns in R- Used MySQL to retrieve data and performed descriptive statistics, regression modeling, and survey analysis in R -
Business Intelligence AnalystGoogle Aug 2015 - Oct 2016Mountain View, Ca, Us- Generated revenue increase by assisting Industry Managers, Account Managers, and Engineers to create competitive brand positioning for major advertisers using internal search tool for search engine - Investigated the effect of shifting ad spending from TV to YouTube on audience reach via meta-analysis with Analysts and Engineers- Examined consumer web behavior conversion paths with Engineers using Google Analytics and increased sales on display ads by identifying opportunities to improve online lead generation
Dasom Lee Skills
Dasom Lee Education Details
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Columbia UniversityData Science -
New York UniversitySocial Sciences
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Korea UniversityMathematics And Statistics
Frequently Asked Questions about Dasom Lee
What company does Dasom Lee work for?
Dasom Lee works for Amazon
What is Dasom Lee's role at the current company?
Dasom Lee's current role is Data Scientist II - Alexa AI @ Amazon.
What is Dasom Lee's email address?
Dasom Lee's email address is dl****@****bia.edu
What schools did Dasom Lee attend?
Dasom Lee attended Columbia University, New York University, Korea University.
What skills is Dasom Lee known for?
Dasom Lee has skills like Python, Scipy, Pandas, Scikit Learn, R, Seaborn, Docker, Amazon Web Services, Machine Learning, Digital Marketing, Statistics, Data Visualization.
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