Tiana Zhu Email and Phone Number
Nothing excites me more when I “challenge” the challenges.From Carnegie Mellon, I am attracted by the charisma of data science and machine learning to solve real world problems. My past experience overlaps in public field and Internet industry and I find passion in applying data science skills not only to gain business insights but also to do social good. Motivated and data driven as I am, I am actively searching for a summer internship for a data scientist position to keep learning and quote Sheryl Sandberg’s words—lean in. Programming Language: SQL, Python, R, JavaBig Data Technology: Hive, Spark, Hadoop, ZetaAnalytics & Visualization: SAS Analytics, Excel VBA, TableauProject Management: Microsoft Project, Jira, Strategic Presentation, Business Writing
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Data ScientistLyft Dec 2024 - PresentSan Francisco, Ca, Us -
Senior Data ScientistWalmart Mar 2024 - Dec 2024Bentonville, Arkansas, Us -
Senior Data AnalystWalmart Aug 2023 - Mar 2024Bentonville, Arkansas, Us
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Data Scientist InternCash App Jun 2022 - Sep 2022New York, Ny, Us• Built 2 ETL (Extract, Transform, Load) pipelines and self-service dashboards that provided streamlined data pipeline for Cash App Support, improving efficiency by 15% and reducing data processing time by 20%• Designed 3 new Search metrics with Product Team, optimized the current recommender system by collaborative filtering and matrix factorization, accuracy increasing from 75% to 80%• Conducted EDA (exploratory data analysis) and customer segmentation by K-means and hierarchical clustering, discovered the most 10 commonly asked question categories and enhanced understanding of customer behaviors• Proposed a taxonomic Q&A article database prototype, which will be applied in Cash App Support Home in 2023 -
Business Data AnalystEbay Oct 2021 - Jan 2022San Jose, Ca, Us• Queried millions of data and monitored metrics (listing rate, CTR, GMV, LTV, etc.), detecting 95% anomaly metrics.• Applied K-means clustering to segment customers, resulting in more targeted marketing campaigns and a 7% increase in conversion rates.• Conducted power analysis and implemented multivariate testing for promotional campaigns and experiments. -
Data ScientistDidi May 2021 - Oct 2021Global, Cn• Conducted A/B testing to experiment new app features, monitored metrics and event tracking functionality, increasing safety feeling and safety awareness metrics by 5.1%• Used a Random Forest algorithm to identify the key factors that impact user churn, redesigned safety features, leading to a 23% increase in click-through rates (CTRs) for those app features.• Conducted text mining and sentiment analysis by NLTK on riding surveys and ran promotion campaigns in Brazil, Mexico, and Australia, boosting safety perception rates by 1.5%. -
Information System InternUnited Nations Escap Feb 2021 - May 2021Bangkok, Bangkok, Th• Implemented a database schema to store and manage E-learning content and user data, updated the database to ensure data accuracy rate and consistency rate no lower than 90%• Wrote SSML codes to developed E-learning content and achieve Text-to-Speech (TTS) capabilities, released new courses for over 50,000 active users.
Tiana Zhu Education Details
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Carnegie Mellon UniversityPolicy And Data Analytics -
Southeast UniversityJapanese Literature & Business Administration
Frequently Asked Questions about Tiana Zhu
What company does Tiana Zhu work for?
Tiana Zhu works for Lyft
What is Tiana Zhu's role at the current company?
Tiana Zhu's current role is Data Scientist@Lyft | CMU 2023.
What schools did Tiana Zhu attend?
Tiana Zhu attended Carnegie Mellon University, Southeast University.
Who are Tiana Zhu's colleagues?
Tiana Zhu's colleagues are Roy Ray, Godlove Mbanga, Christie Gilmore, Bruce Mellish, Angela Ziemba, Anderia Hargis, Robert Alvarez.
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