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• Technical fluency in statistical modeling, data mining, machine learning, and experimental design• Skilled at processing, visualizing, analyzing, and interpreting large scale data set• Extensive consulting experience with Fortune 500 company clients, proven ability to successfully translate technical output into actionable business insights• Life-long learner. Long time user of MOOC. Passionate about the most recent innovation and trends of analytical, statistical, decision-making science
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Staff Machine Learning EngineerLinkedin Sep 2023 - PresentSunnyvale, Ca, Us
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Staff Data ScientistLinkedin Sep 2022 - Mar 2024Sunnyvale, Ca, UsAI Optimization, Growth marketing, Go-to-Market strategy, Targeting and Attribution, Causal Inference, LTV modeling
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Senior Data ScientistLinkedin Mar 2020 - Sep 2022Sunnyvale, Ca, UsGrowth Marketing
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Data ScientistLinkedin Jan 2018 - Mar 2020Sunnyvale, Ca, Us
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Data ScientistIbm Jan 2015 - Dec 2017Armonk, New York, Ny, UsData Scientist Jan. 2015 - Present• Analyzing very large Customer Point-Of-Sale datasets (Walmart, Target, Safeway, etc.) and delivered analytical output that help generate insights into marketing campaigns and decision making strategies• Developed and automated daily workflow including modeling execution, validation and report generating process to improve team work efficiency • Conducted production or non-production bug investigations with engineering team in JAVA production environment -
Senior StatisticianNielsen Company (Formerly Affinnova) Mar 2014 - Dec 2014New York, Ny, Us• Designs and builds Key Performance Indicators (KPI) that are adopted by Fortune 500 companies for new product launch evaluations, concept initiatives, and product re-launching campaign and planning.• Develops and implements a proprietary multi-staged, multi-linkage density based clustering algorithm for product content feature based segmentation.• Take direct responsibility for the design, R-coding, and execution of discrete choice models, conjoint models, MCMC process, hierarchical Bayesian toolkits, generalized linear regression, segmentation and clustering algorithms, optimization algorithms, latent class, E-M models and computationally intensive algorithms (bootstrapping, boosting, etc.). • Advises both internal team members and external customers, interprets the modeling results, and answers general statistical methodology questions • Provides analytical expertise by conducting routine company level training for new hires and current employees -
StatisticianAffinnova Jul 2012 - Feb 2014Waltham, Ma, Us• Designed multivariate experiment to collect data and performed quantitative analysis of data at individual and market level, using tools such as R and Access, to deliver customer insights used in packaging campaigns and pricing strategy.• Automated reporting processes using VBA to empower non-analytics team members to report computation results on an on-going basis. • Improved efficiency of existing optimization algorithms by refactoring the code into a parallel computing form.• Multi-tasked in a fast-paced working environment smoothly. Completed projects accounted for more than one-third of the company’s revenue in two consecutive quarters.• Worked cross-functionally with the product, business and engineering teams to drive results. -
Statistical ConsultantUniversity Of California, Berkeley Aug 2011 - May 2012Oakland, California, UsProvided statistical advice to members of the campus community.Recommended possible statistical analyses for various research topics.Help clients understand the output from statistical computer package of choice, -
Graduate Student InstructorUniversity Of California, Berkeley Aug 2010 - May 2012Oakland, California, UsGave lectures on concepts of probability and statistics inference to business majors at Berkeley
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Student InstructorUniversity Of California, Berkeley Jun 2011 - Aug 2011Oakland, California, UsLed Computer Lab Sessions, taught topics such as: o statistical computing and simulations, model fitting, selection and validation using Ro data retrieval and processing using SQLo data visualization with R packages such as ggploto interactive game (blackjack) programming and simulation using Python o web-scraping and text processing with regular expression using Python
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Quantitative Research AnalystUva Medical Center Jun 2009 - Jul 2010Performed preliminary data screening and model fitting and validating: linear regression model; logistic regression model, nonlinear model, survival analysis, categorical data analysisReported the final result with both numerical and graphical form using SAS
Joyce Chen Skills
Joyce Chen Education Details
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University Of California, BerkeleyStatistics -
University Of VirginiaStatistics And Economics
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Fudan University
Frequently Asked Questions about Joyce Chen
What company does Joyce Chen work for?
Joyce Chen works for Linkedin
What is Joyce Chen's role at the current company?
Joyce Chen's current role is Staff Machine Learning Engineer @ LinkedIn.
What is Joyce Chen's email address?
Joyce Chen's email address is jc****@****ibm.com
What is Joyce Chen's direct phone number?
Joyce Chen's direct phone number is +190927*****
What schools did Joyce Chen attend?
Joyce Chen attended University Of California, Berkeley, University Of Virginia, Fudan University.
What skills is Joyce Chen known for?
Joyce Chen has skills like Statistical Modeling, R, Statistical Computing, Sas, Machine Learning, Quantitative Research, Data Analysis, Sql, Python, Matlab, Vba, Marketing Research.
Who are Joyce Chen's colleagues?
Joyce Chen's colleagues are Arjita Mahajan, José Miguel Novelo Vargas, Jessica Nolan, Qian Li, Markus Svärd, Jessica Adebayo, Iulia Ioja.
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