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sebastian acosta rojas

@sebastianacostarojas

Data Analyst Intern at Colsubsidio who modeled promotional ROI and automated pharmaceutical retail reporting with Power BI.

Colombia

Message

At Colsubsidio, I analyzed commercial initiatives and promotions across in-store and e-commerce channels, using sales, margin, discount, and profitability indicators to identify trends and opportunities. I also prepared campaign-level P&L analyses to support management decisions.

I automated management reports by bringing SAP, VTEX, and database data into workflows using Excel, Power Query, and Power BI. I built models to evaluate demand elasticity, sales incrementality, and promotional ROI.

Experience

Work history, roles, and key accomplishments

Co-Creator, Innovation Lab

United Way Colombia

Jan 2024 - Dec 2025 (1 year 11 months)

Designed and implemented the first innovation laboratory on Colombia's Caribbean coast in partnership with United Way Colombia and Universidad de la Costa, coordinating supplier selection and budget management.

Project Management Budget Management Supplier Negotiation Innovation Sustainability

Finance and Communications Coordinator

ANEIAP

Jan 2019 - Dec 2022 (3 years 11 months)

Managed the association's finance area, planned and coordinated academic events, and developed communication and marketing initiatives to promote events and strengthen institutional positioning.

Finance Accounting Event Planning Communication Skills Marketing

Data Analyst Intern

Colsubsidio

Jan 2026 - Present (9 months)

Analyzed commercial initiatives and promotions across in-store and e-commerce channels, prepared campaign-level P&L analyses, automated management reports, and built analytical models for demand elasticity and ROI.