JUSTYNA COLASANTI
New Canaan
Summary
Dynamic Senior Manager of Business Analytics at Marriott International, leveraging SQL and Python to drive customer engagement and operational excellence. Achieved 97% accuracy in elite member forecasts, enhancing decision-making. Recognized for innovative problem-solving and fostering strong stakeholder partnerships, delivering actionable insights that significantly improve member experience and program performance.
Overview
19
19
years of professional experience
Work History
Senior Manager, Business Analytics
Marriott International, Inc.
Stamford
01.2022 - Current
- As Senior Manager of Business Analytics, I drive customer-centric program analysis for Members, Elite, and Loyalty initiatives, partnering with cross-functional teams to deliver actionable insights that drive operational excellence and member engagement.
- My role focuses on forecasting, using large-scale member data to identify trends, optimize engagement strategies, and ensure data-driven decision-making, consistently delivering high accuracy and measurable impact.
- I am recognized for my ability to resolve complex data challenges, attention to detail, and for developing custom methods when data is limited or incomplete, as well as for championing innovative solutions that enhance both customer experience and business performance.
- Lead customer-focused analytics for Ambassador, Elite, and Loyalty programs, supporting operations and benefit improvement initiatives across multiple stakeholder groups (Elite Operations, Ambassador, Cobalt, CEC).
- Delivered highly accurate Elite member forecasts (achieving ~97% accuracy), directly informing year-end processing, policy development, and staffing decisions.
- Delivered 'state of Elites' intelligence, including achievement pathways and engagement analytics, improving transparency and decision-making for Elite health.
- This project required a custom approach to heavily caveated data and deriving insights from sources that were not readily available and is now being transitioned to a Power BI dashboard.
- Managed the Ambassador Scorecard end-to-end, from data collection to executive reporting, providing actionable insights into tier performance and initiative impacts, along with advancing self-service capabilities.
- Conducted targeted analyses on global promotions, Elite upgrades, and engagement behaviors—including segmentation, audience sizing, and impact assessments (e.g., Surprise & Delight program delivering ~27,500 eGift Cards).
- Continuously improved presentation and visualization skills, supporting stakeholders with best practices and innovative cohort analyses to drive business decisions.
- Fostered strong partnerships with stakeholders through regular meetings, proactive communication, and timely delivery of insights—earning recognition for urgency, attention to detail, and adaptability.
- Apply experimental AI techniques to both analytics and operational efficiency—improving analytical approaches while accelerating meeting preparation, report QA, presentation creation, and analytical framing.
- Collaborated with cross-functional teams to enhance the Complementary Upgrade Algorithm, modeling new attributes to improve upgrade targeting and member experience.
Manager, Loyalty Marketing
Marriott International, Inc.
Stamford
01.2018 - 01.2022
- Specialized in customer and loyalty program analytics, delivering actionable insights to optimize member benefits and engagement.
- Built and maintained dashboards for Ambassador, Cobalt, and Suite Night Awards, enabling data-driven decisions on program performance and customer experience.
- Collaborated across teams to enhance member profiling, forecast elite volumes with up to 97% accuracy, evaluated promotion impact on membership growth, and informed annual membership renewal and downgrade strategies, consistently driving improvements in benefit delivery and satisfaction.
Specialist, Loyalty Business Intelligence
Starwood Hotels and Resorts, Inc.
Stamford
01.2013 - 01.2018
- Worked as an Experienced Business Analyst with strong technical and analytical skills to deliver in-depth, accurate reporting.
- Responsible for designing, developing, and analyzing ad hoc and recurring reports.
- Collaborated across multiple departments, including marketing, partnerships, finance, and property compliance, and consistently worked with complex data to create time-saving reporting tools.
Business Intelligence Analyst
Bluefly, Inc.
New York
01.2007 - 01.2013
- Served as a Business Intelligence Analyst, leading enterprise-wide data reporting and analytics initiatives.
- Delivered tailored SQL-based reporting solutions across multiple business functions, managed large datasets for marketing and customer segmentation, and provided actionable insights on buying and profitability trends.
- Played a key role in CRM migration data validation, report optimization, and complex data mapping projects, leveraging deep expertise in retail operations and advanced reporting tools.
Education
B.S. - Computer Information Systems
Mercy College
Dobbs Ferry, NYSkills
- SQL reporting and Snowflake
- Python programming
- Data analysis and forecasting
- Business analytics
- Customer segmentation
- Relational database management
- Business intelligence tools
- ETL processes
- Tableau and Power BI dashboards
- SAS for statistical analysis
- Power BI dashboards
Timeline
Senior Manager, Business Analytics
Marriott International, Inc.
01.2022 - Current
Manager, Loyalty Marketing
Marriott International, Inc.
01.2018 - 01.2022
Specialist, Loyalty Business Intelligence
Starwood Hotels and Resorts, Inc.
01.2013 - 01.2018
Business Intelligence Analyst
Bluefly, Inc.
01.2007 - 01.2013
B.S. - Computer Information Systems
Mercy College