Santiago Castellanos
Grand Rapids,MI
Summary
Graduate student pursuing a Master’s in Data Science and Analytics, with a strong foundation in financial analysis, market research, and data-driven decision-making. Experienced in analyzing large financial datasets, building executive dashboards, and supporting business strategy through actionable insights. Bilingual in English and Spanish, with strong communication skills, and a growing interest in global wealth management, financial markets, and client-focused advisory services.
Overview
2
2
years of professional experience
Work History
Content Creator Support Intern
TikTok
Los Angeles, California
05.2025 - 08.2025
- Built executive dashboards analyzing revenue and performance data, contributing to over $150K in monthly GMV growth.
- Evaluated investment and performance trends to identify high-impact growth opportunities.
- Collaborated cross-functionally to align data insights with business strategy.
- Provided bilingual communication support to enhance stakeholder engagement.
Data Analyst Intern
RDV Corporations
Grand Rapids, Michigan
05.2024 - 12.2024
- Analyzed large-scale financial and operational datasets to support strategic business decisions.
- Conducted data validation and reconciliation across multiple financial sources to ensure reporting accuracy.
- Developed Power BI dashboards summarizing financial trends and performance metrics for leadership.
- Translated complex financial data into clear insights for non-technical stakeholders.
Marketing Intern
The Timothy Group
Grand Rapids, Michigan
01.2024 - 05.2024
- Performed market research and competitor analysis to support client acquisition strategies.
- Analyzed CRM data (Salesforce) to evaluate campaign performance and customer engagement.
- Generated reports tracking KPIs, customer behavior trends, and growth opportunities.
- Presented insights that supported data-driven sales and marketing decisions.
Project Management Intern
Stanford University Athletics
Palo Alto, California
05.2023 - 08.2023
- Facilitated management of project timelines, budgets, and resource allocation across teams.
- Coordinated strategic planning sessions to improve cross-team communication.
- Supported data-driven decision-making by aligning operational metrics with project goals.
Education
Master of Science - Data Science and Analytics
Grand Valley State University
Allendale, MI05-2027
Bachelor of Science - Economics, Management, Marketing
Cornerstone University
Grand Rapids, MI05-2025
Skills
- Financial data analysis and reporting
- Market research and competitive analysis
- Excel (advanced functions, modeling)
- Power BI and Tableau dashboards
- SQL (advanced querying)
- Salesforce CRM
- Python and R for data analysis
- Data validation and reconciliation
- Bilingual: English and Spanish
- Client-focused communication
- Team collaboration
- Presentation and executive reporting
- Strong analytical interpretation
Languages
- English, Fluent
- Spanish, Fluent
Volunteer
- USTA wheelchair | August 2024 | Cincinnati, OH
- USTA para-standing | August 2024 | Cincinnati, OH
- The Salvation Army | December 2021 | Grand Rapids, MI
Timeline
Content Creator Support Intern
TikTok
05.2025 - 08.2025
Data Analyst Intern
RDV Corporations
05.2024 - 12.2024
Marketing Intern
The Timothy Group
01.2024 - 05.2024
Project Management Intern
Stanford University Athletics
05.2023 - 08.2023
Master of Science - Data Science and Analytics
Grand Valley State University
Bachelor of Science - Economics, Management, Marketing
Cornerstone University