Driven and analytical professional with a proven track record at PT Gajah Tunggal Tbk, where I leveraged Tableau and Power BI to deliver insightful data visualizations. Excelled in applying statistical programming and data modeling skills to drive decision-making processes. Known for exceptional Excel expertise and a collaborative work ethic, I consistently achieve significant outcomes in data analysis and visualization.
Developed a global market research proposal for Marriott International using stratified sampling and advanced statistical analyses to generate actionable insights on guest experience, brand perception, sustainability impact, and loyalty program effectiveness.
Performed a Tableau-driven analysis of sales, customer behavior, shipping trends, and profitability to deliver actionable strategies for pricing, logistics, inventory, and customer targeting that enhance revenue growth and operational efficiency.
Developed and evaluated multiple supervised and unsupervised machine learning models, including Random Forest, CART, neural networks, KNN, PCA, and clustering algorithms, to predict student performance and segment cities based on healthy living metrics