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@airbnb.com
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2 phones found area 408 and 866
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LinkedIn matched
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Sean Chao is listed as Data Science Manager at Apple at Apple, based in San Francisco, California, United States. AeroLeads shows a work email signal at airbnb.com, phone signal with area code 408, 866, and a matched LinkedIn profile for Sean Chao.
Sean Chao previously worked as Data Science Manager at Apple and Senior Data Scientist at Apple. Sean Chao holds Doctor Of Philosophy (Phd), Physics from University Of Illinois Urbana-Champaign.
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I am experienced in end-to-end data solutions to help organizations optimize and scale. I lead a data science team at Apple, focusing on enhancing Apple Services (App Store, Apple Music, Apple TV, etc) by evaluating and improving AI/machine learning features. Recent notable focuses include human-in-the-loop model development, LLM evaluation and alignment, AI safety, and data quality assurance.Before joining Apple, I helped Airbnb build trust on the platform and developed advertising products at eBay. Before that, I was a physicist studying molecular dynamics and developing next-generation DNA sequencing devices.
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Cupertino, California, Us
Lead a data science team focusing on evaluating and improving AI/machine learning features in Apple services• Human-in-the-loop model development • LLM evaluation and alignment• AI safety• Quality control of annotation data
Cupertino, California, Us
Experimentation, offline evaluation for Apple services (App Store, Apple Music, Apple TV, Apple Books, Apple Podcasts)
San Francisco, Ca, Us
Trust Tools and Operations• Built an automated business report with 10+ key operational metrics to serve as the source of truth in providing data rigor and clarity for senior leaders• Served as the primary data partner for Trust tools product to build, monitor, and improve internal agent tools• Defined data strategy - including metrics, data pipelines, offline logging, and working cadence with cross-functional teams• Mentored and provided technical guidance to junior data scientists and analysts
San Jose, Ca, Us
Advertising technology• 3rd party programmatic ads yield optimization, pricing strategy and algorithm development• Built NLP models to understand customer feedback through sentiment analysis and topic modeling • Built and maintain ETL jobs and automated dashboards for PMs and business partners to track key metrics daily• Analyzed search page item ranking to guide 1st party Ads (Promoted Listings) product development• Investigated cannibalization of 1st party Ads on View Item page from A/B test data
San Francisco, Ca, Us
Partnered with a startup on building predictive models for vehicle logistics• Performed geographic segmentation on demand data using Google Maps Distance Matrix API• Integrated features engineered from time-series data with external signals (e.g. local weather) to build models (Lasso, Random Forest, SVM)• Delivered production-ready code outputting 7-day forecast, which can help the company to increase the car utilization rate by 45%
San Francisco, Ca, Us
Worked in Risk team on improving machine learning models for online fraud detection/mitigation.• prepared data from HDFS/S3 using Presto/Hive and Python UDFs• conducted feature engineering for further model training• prototyped a pipeline to interpret the RF model by observation clustering and feature extraction• customer segmentation: identified 4 major customer groups and distilled features related to bad actors• analyzed photo content and extracted meaningful features using Python and Tesseract OCR• visualized results by D3.js/Tableau/matplotlib
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Sean Chao works for Apple.
Sean Chao is listed as Data Science Manager at Apple at Apple.
AeroLeads has found 1 work email signal at @airbnb.com for Sean Chao at Apple.
AeroLeads has found 2 phone signal(s) with area code 408, 866 for Sean Chao at Apple.
Sean Chao is based in San Francisco, California, United States while working with Apple.
Sean Chao has worked for Apple, Airbnb, Ebay, and Insight Data Science.
You can use AeroLeads to view verified contact signals for Sean Chao at Apple, including work email, phone, and LinkedIn data when available.
Sean Chao holds Doctor Of Philosophy (Phd), Physics from University Of Illinois Urbana-Champaign.
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