Youjin Lee

Key Achievements:

• Owned end-to-end data science projects: Spearheaded and oversaw data science projects focused on Acquisition, Retention, and Profitability of Business Payment Products at Amazon, including SBCC (Small Medium Business Credit Card) and PBI (Pay By Invoice).
• Cross-functional Collaboration: Collaborated closely with cross-functional teams, including product managers, marketing, and finance, to align data science projects with business objectives and product strategies. Worked collaboratively with cross-organizations, including Central Economics/Data Science team, Amazon Business, Business Prime team, to ensure alignment with broader business goals.
• Development of Machine Learning Models and Analysis: Utilized advanced data modeling techniques, statistical analysis, and machine learning algorithms to extract insights and make data-driven recommendations. One of models resulted in a remarkable 1.5+ times increase in SBCC acquisition, generating over $61 million in incremental value for Amazon annually.
• Team Leadership and Management: Led and managed a high-performing data science team consisting of 2 data scientists and 1 business intelligence engineer. Provided coaching and mentorship to team members, fostering their professional growth and skill development.

• Predictive Model/Promotion Analysis: Provided data/model-driven recommendations on optimized promotion strategies to leadership, leading to improved decision-making and performance.
• Customer Segmentation/Profiling Strategy: Developed comprehensive customer segmentation models for Saks 5th and Off5th businesses, enhancing marketing strategies. Successfully managed implementation and automation of these models for corporate-wide use. Achieved average 12%+ increase in traffic through effective segmentation, contributing to improved customer engagement and marketing strategies.
• Product Recommendation for Drip-Email Campaign: Designed a recommendation algorithm focused on suggesting high-propensity purchase products, tailored to complement customers' recent purchases. Led and managed entire campaign process from its inception to implementation, resulting in development of one of highest-performing daily email campaigns. Attained remarkable results, generating $3+ incremental sales per email circulation, with a projected annual incremental value of $798K+.

• Partnered with clients in Consumer Packaged Goods (CPG) industry to enhance business performance by maximizing marketing effectiveness and return on investment (ROI) through application of advanced analytics and integrated systems.
• Developed econometric models to identify and quantify impacts of various factors, such as prices, distribution strategies, trade activities, innovations, and competitive actions, on product sales.