Xiao Liu Email and Phone Number
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Xiao Liu personal email
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I am a data scientist at Nextdoor, the leading social network for neighborhoods, where I use Python, SQL, and Tableau to deliver analytics-driven solutions across various business units. With five years of data analysis experience, I have a proven track record of consolidating, analyzing, and visualizing complex data sets from multiple sources, pioneering new modeling approaches, and owning causal analysis projects from start to finish.My passion is to use data to understand and improve user experience, engagement, and retention on the platform. I collaborate with engineers, marketers, and product managers to generate new insights, influence strategies, and achieve better outcomes. I am always eager to learn new skills, explore new challenges, and contribute to Nextdoor's mission of building stronger and happier communities.
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Senior Data ScientistMeta Jul 2024 - PresentMenlo Park, Ca, Us
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Senior Data ScientistTiktok Jan 2024 - Jul 2024Los Angeles, California, Us -
Data ScientistNextdoor Apr 2022 - Dec 2023San Francisco, California, Us--DS on user growth/notifications team -
Product Analytics (Data Science)Amazon Apr 2021 - Apr 2022Seattle, Wa, Us• Automated over 40 product performance metrics using Python, Redshift, and QuickSight across three primary products, empowering the leadership team to refine product design; this precision targeting resolved product inefficiencies, elevating customer conversion rates by 15%.• Developed a robust data pipeline to extract data from Adobe Analytics, leveraging AWS Lambda and SES; this feeds into AWS S3 and Redshift, centralizing data into a data lake. This system handles daily flows exceeding 1GB and encompasses hundreds of features, laying a foundation for diverse data science initiatives.• Actively collaborated with product, engineering, and operation teams on new product roll-outs: championed the integration of fresh data sources, delved deep into product behavior and UX design, and communicated pivotal insights to leadership. Contributed to the successful launch of over four new products, establishing myself as the team's go-to Subject Matter Expert for all product data-related challenges. -
Associate Data ScientistJohn Hancock Jun 2019 - Apr 2021Boston, Ma, Us• Consolidated, analyzed and visualized complex data set from more than 50 sources and 450M rows with advanced SQL and Python to generate new insights to influence sales and marketing strategies• Brainstormed and pioneered a new modeling approach to identify impactful client web activity that achieved better client targeting and lifted new opportunity rate by 5%• Initiated external client outreach via a new Gradient Boosting Classification model in Python with extensive feature engineering and feature selection to predict external clients’ conversion that may bring in $100M new assets• Owned campaign projects end to end by collaborating with data engineer, marketer and product manager, defining performance metrics, strategizing initial and follow up plan and presenting insights to senior leadership (Successfully led an A/B testing campaign with 20% click rate improvement)• Constructed a matching algorithm in SQL that bridges internal and third party dataset with 80% matching improvement• Designed a creative product ranking system with Wilson Score theory that resulted in bringing in $26M assets -
Database Administrator InternJohn Hancock Jul 2018 - Sep 2018Boston, Ma, Us• Designed and maintained 5 dashboards in PowerBI to visualize Microsoft Azure resource utilization trends that facilitated leadership quickly target high cost meters and make decisions around budget planning• Automated manual data entry process with SQL query that reduced report updating time from 7 days to less than 3 minutes.
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Data AnalystState Street Feb 2016 - Feb 2017Boston, Massachusetts, Us• Analyzed financial products performance including stock/mutual fund/futures, and created visual graphs in Matlab• Conducted data quality check to reduce data discrepancy between internal departments and external vendors (Bloomberg, Reuter, JP Morgan）• Identified and resolved complex data issues to meet clients’ data requirement• Maintained and updated database system, coordinated with technology team to improve customer experience• Responsible for training process of Indian teams, including material writing and personal coaching -
Research AnalystAnbang Insurance Group May 2015 - Aug 2015Cn• Oversaw and summarized weekly reports of global security markets including Goldman Sachs, Morgan Stanley etc.• Created ANOVA financial models to identify key factors responsible for the severe drop in Chinese stock market price andapplied them for future prevention• Examined government policy and created analysis reports about its influence on technology stocks -
Research AssistantBrandeis University May 2013 - Jan 2015Waltham, Ma, Us• Designed a project to discover influencing factor of learning ability of Drosophila, implementing logistic regression models, and successfully identified age as the key driver• Prepared and investigated thousands of experimental data and made recommendation on future research direction• Presented the current research progress and findings at Scientific Festival Event
Xiao Liu Skills
Xiao Liu Education Details
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Northeastern UniversityAnalytics -
Brandeis UniversityEconomics
Frequently Asked Questions about Xiao Liu
What company does Xiao Liu work for?
Xiao Liu works for Meta
What is Xiao Liu's role at the current company?
Xiao Liu's current role is Senior Data Scientist @ Meta | ex-Amazon, Nextdoor, TikTok.
What is Xiao Liu's email address?
Xiao Liu's email address is xi****@****eis.edu
What is Xiao Liu's direct phone number?
Xiao Liu's direct phone number is +178154*****
What schools did Xiao Liu attend?
Xiao Liu attended Northeastern University, Brandeis University.
What skills is Xiao Liu known for?
Xiao Liu has skills like Research, Powerpoint, Statistics, Data Analysis, Microsoft Office, Spss, Matlab, Java, Python, Sql, R, Tableau.
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