Tim Chen

Tim Chen Email and Phone Number

Product Data Analyst - Advertising at eBay @ eBay Advertising
Tim Chen's Location
Huangpu District, Shanghai, China, China
Tim Chen's Contact Details

Tim Chen work email

Tim Chen personal email

About Tim Chen

Experienced data analytics professional with strong project ownership to conduct high-end data analysis and communicate results effectively to drive business decisions.

Tim Chen's Current Company Details
eBay Advertising

Ebay Advertising

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Product Data Analyst - Advertising at eBay
Tim Chen Work Experience Details
  • Ebay Advertising
    Senior Product Data Scientist- Advertising
    Ebay Advertising Sep 2024 - Present
    San Jose, California, United States
    Search Monetization
  • Ebay Ads
    Senior Product Data Scientist- Advertising
    Ebay Ads Sep 2022 - Sep 2024
    Shanghai, China
    Merchandising Recommendation
  • Ebay Ads
    Senior Product Data Analyst - Advertising
    Ebay Ads Sep 2020 - Feb 2022
    Shanghai, China
    Search Monetization - Standard & Advanced Format• Built Tableau dashboard to automatically generate insights & monitoring different funnel metrics to meet therequirements of stakeholders from different business units; shorten time for regular business diagnosis.• Lead and developed over 100 different metrics and the respective data foundation to monitor product health and performance of eBay’s newly launched advanced format advertising product, including seller, buyer, search… Show more Search Monetization - Standard & Advanced Format• Built Tableau dashboard to automatically generate insights & monitoring different funnel metrics to meet therequirements of stakeholders from different business units; shorten time for regular business diagnosis.• Lead and developed over 100 different metrics and the respective data foundation to monitor product health and performance of eBay’s newly launched advanced format advertising product, including seller, buyer, search algorithm and revenue globally. This advancement made all analyses around this new product possible.• Published in-depth A/B test readouts with analytics recommendation that lead to product feature launches and monitoring key metrics movements post launch; ensuring data driven decisions are made. Show less
  • Ebay
    Internet Marketing Data Analyst
    Ebay Jul 2018 - Sep 2020
    Shanghai City, China
    eBay Partner Network (EPN)• Developed financial forecasting process and methodology to build the framework for affiliate marketing budget allocation - allowing bottom-up marginal measurement of performance efficiency and revenue for decision making.• Published marketing incrementality A/B test readouts to measure channel incremental from different affiliates.• Developed and validated the feasibility of using synthetic control (geo-based experiments) via different… Show more eBay Partner Network (EPN)• Developed financial forecasting process and methodology to build the framework for affiliate marketing budget allocation - allowing bottom-up marginal measurement of performance efficiency and revenue for decision making.• Published marketing incrementality A/B test readouts to measure channel incremental from different affiliates.• Developed and validated the feasibility of using synthetic control (geo-based experiments) via different time-basedmodels when user level A/B testing is infeasible, advancing measurement in performance marketing.• Financial forecasting, process & methodology development• Report automation on Linux • Designing and implementing new performance metrics• Optimization for budget relocation• Performance analytics• A/B Testing for customer incremental value and new methodology implementation to assess the impact on performance metrics• Geo experiments via different time-based models• Profitability analysis across different global regions to implement different pricing strategies for the channel• Attribution modelling• Classification of incrementality#SQL #R #Python #Git #Teradata #Linux #SparkSQL #Tableau#dplyr #ggplot2 #purrr #tidyr #shiny #shinydashboard #data.table #DT #tibble#pandas Show less
  • Air New Zealand
    Digital & Direct Marketing Data Co-Ordinator - Loyalty & Partners
    Air New Zealand Dec 2016 - May 2018
    Auckland, New Zealand
    Responsibilities:• Acting as a trusted-advisor to stakeholders in terms of defining and refining audience targeting for marketing campaigns to achieve different business objectives.• Conducting campaign analysis to optimise performance using SAS, R and SQL. These include measuring uplifts, evaluating propensity model performances and A/B test results on digital marketing contents to reduce costs and increase efficiency.• Continuously delivering high-accuracy and timely… Show more Responsibilities:• Acting as a trusted-advisor to stakeholders in terms of defining and refining audience targeting for marketing campaigns to achieve different business objectives.• Conducting campaign analysis to optimise performance using SAS, R and SQL. These include measuring uplifts, evaluating propensity model performances and A/B test results on digital marketing contents to reduce costs and increase efficiency.• Continuously delivering high-accuracy and timely campaigns and reports as well as implementing process and quality assurance checklist improvements.Key Achievements:• Leading the standardisation of campaign building process from briefing to execution and reporting stage. This increased transparency and clarity with communication and collaboration across different teams at all levels.• Initiated, designed and implemented new performance metrics to better measure the costs and benefits of campaigns, which significantly helped the team to persuade stakeholders with measurable quantitative evidence.• Member of the Digital and Direct Marketing Data Security Working Group to identify, plan and resolve problems with existing internal and external data transfer, storage and usage with the data security team to prepare for GDPR enforcement.• Highest score on the Air New Zealand Data & Analytics DataCamp leader board. Show less
  • The University Of Auckland
    Teaching Assistant
    The University Of Auckland Feb 2013 - Jul 2017
    Auckland, New Zealand
    • Providing guidance to students with R and SAS to build models for a range of different data sets, including but not limited to using different regression methods, time series and machine learning techniques.
  • Good Health Products
    Internship - Accounting And Supply Chain
    Good Health Products Sep 2015 - Dec 2016
    Auckland, New Zealand
    • Carrying out inventory variance analysis and investigating foreign exchange rate discrepancies to ensure past years’ data accuracy for the CFO.• Assisting the supply chain manager with production capacity calculation under different assumptions which was used to identify and evaluate the company’s future growth opportunities.

Tim Chen Skills

Data Analysis R Sas Sql Python Statistics Microsoft Office Microsoft Excel Teamwork Financial Analysis Research Digital Marketing Microsoft Word Microsoft Powerpoint Customer Service Finance Risk Management Loyalty Programs Accounting Macroeconomics Taxation Bayesian Business Analysis Team Leadership Stakeholder Management Analytics Sas Programming Project Management Marketing Data Mining Machine Learning Translation Technical Translation Tableau Leadership Communication English Deep Learning Linux Shiny Jenkins Crontab Teradata Sql Oracle Database

Tim Chen Education Details

Frequently Asked Questions about Tim Chen

What company does Tim Chen work for?

Tim Chen works for Ebay Advertising

What is Tim Chen's role at the current company?

Tim Chen's current role is Product Data Analyst - Advertising at eBay.

What is Tim Chen's email address?

Tim Chen's email address is ti****@****ook.com

What schools did Tim Chen attend?

Tim Chen attended The University Of Auckland, University Of Auckland, University Of Auckland.

What skills is Tim Chen known for?

Tim Chen has skills like Data Analysis, R, Sas, Sql, Python, Statistics, Microsoft Office, Microsoft Excel, Teamwork, Financial Analysis, Research, Digital Marketing.

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