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Hongyu Jin

Hongyu Jin

Data Scientist

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Technologies

My Portfolio Highlights

My New Course

Introduction to Python

My New Course

Introduction to Python

Insights conductor, orchestrating a symphony of knowledge from data streams.

My Work

Take a look at my latest work.

DataLab

Explore a DataFrame 1

DataLab

Course notes: Exploratory Data Analysis in Python

DataLab

Experiment with the AI assistant

DataLab

Explore a DataFrame 1

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Introduction to SQL
Intermediate SQL
Intermediate Python

My Work Experience

Where I've interned and worked during my career.

7smilecare Co, Ltd. | Sep 2018 - Mar 2023

Marketing Data Analyst

• Spearheaded first supplement launch & optimized ads (Meta, Naver, Coupang) for significant market penetration. • Delivered weekly reports tracking multi-platform campaign performance, driving marketing mix expansion. • Analyzed marketing data for actionable insights, presented findings to stakeholders using Python, SQL, Excel & PowerPoint.
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Nativo Inc | Jun 2017 - Sep 2018

Senior Data Analyst

• Analyzed ad campaign data and extracted insights that would be an integral part of the campaign insights reports, which would be presented directly to clients and would highlight the performance of the ad campaign and provide deep insights and recommendations for future ad campaigns. • Worked closely with the industry leader in market research ResearchNow, acting as a liaison and facilitator of brand studies, in deciding the scope, target audience, competitor sets and also supported the final output of the study. • Utilized Python and SQL for data extraction and analysis, generating insights that informed marketing strategies.

KWInternational | Sep 2016 - Feb 2017

Data Analyst

tracks and analyzes all activities in retail stores in the U.S., which is used to evaluate the progress of the recall process. • Took responsibility in cleaning up, validating, consolidating, and categorizing all the return orders and requests collected by all of the customer service agents and • Worked with supervisors on the correct methodology to collect data in the most efficient, structured and error free manner. Which resulted in great improvement in call response speed and quality.

NBCUniversal Media, LLC | Jul 2014 - Jun 2015

Data Analyst

• Assisted in preparing monthly report that tracks and analyzes all the activities in the targeted piracy sites in different regions, which is used to evaluate piracy infringement and take down activities. • Took sole responsibility for a project that cross examined and analyzed the short term and long term effects of Netflix on online piracy activity across multiple geographical regions. • Retrieved, validated, and manipulated large amount of data from comScore, which would then be cleaned up, analyzed and reported in the monthly reports or any ad hoc projects.

American Honda Motor Company, Inc. | Dec 2013 - Jun 2014

Inventory Control Analyst

• Investigated and corrected data discrepancies found between Honda and its partners’ databases that occur during loading, unloading, transporting and processing of automobiles. • Assisted in preparing quarterly National Performance Excellence reports for all the carrier partners of Honda, which would be used to evaluate and rank carriers’ performances on difference criteria. • Generated daily and monthly reports that track all shipments from all ports and railroad ramps which would summarize Honda’s regional and national logistic performance. • Retrieved, validated, and manipulated data from an old database (VTR) then cleaned up corrupted and broken data in order to feed it to and test a new database that’s in construction. • Processed daily queries and requests to support inventory/quality control transaction, analysis and reporting

Activision | Aug 2013 - Dec 2013

Data Analyst

• Used OBIEE DSR reporting system and digital dashboards to retrieve, manipulate and analyze large amount of data for reports and ad hoc assignments. • Used Excel spreadsheets to manipulate raw data, then insert into macro enabled Excel templates for analysis and reports. (Using Pivot tables, VLOOKUP, SUMIF, etc) • Helped testing the OBIEE reporting system’s functionality after a significant overhaul. • Validated important data by cross checking with different departments in the firm.

KoreaPros | Oct 2012 - Mar 2013

Assistant Market Researcher

• Researched and analyzed competitor’s strengths and weaknesses to strengthen client’s business strategy. • Researched and gathered information on important contacts for potential buyers. • Created business proposals that would highlight client company’s strengths and technical advantages to potential buyers and distributors. • Updated and managed client database that would be utilized by coworkers to carry out essential tasks. • Researched and contacted potential buyers for new business developments. • Learned how to analyze and understand a standard Automotive OEM RFQ in order to determine the feasibility of the purchasing price and condition. • Translated important documents, ensuring all the terminologies are accurate and the entire passage keeps a consistent tone.

World Financial Group (WFG) | Sep 2011 - Feb 2012

Business Associate

• Researched market conditions, individual companies and made business presentations to clients. • Successfully prospected two business partners to help us expand customer base. • Trained three interns on financial concepts, field trainings and business mindset. • Created and distributed marketing materials and organized client-outreach events. • Promoted products through persuasive marketing communication and recommendations.

My Education

Take a look at my formal education

B.S., Management ScienceUniversity of California, San Diego | 2012

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