Marc Jaffee
Philadelphia,PA
Summary
Results-driven Senior Data Analyst with 3+ years of experience in leveraging data analytics to drive business growth and operational efficiency. Proven success in collaborating with cross-functional teams to develop data infrastructure, perform in-depth analyses, and create impactful data visualizations. Adept at building data-driven cultures and mentoring junior analysts. Proficient in SQL, Python, Tableau, and modern BI tools. Motivated by making a meaningful impact and supporting mental health initiatives.
Overview
5
5
years of professional experience
Work History
Senior Data Analyst
Viator
09.2021 - Current
- Served as a strategic partner to business teams by providing data-driven insights to improve growth, revenue, and customer success strategies.
- Collaborated with engineers and scientists to develop an in-house A/B testing platform using Git, SQL, and Python.
- Designed and maintained a company-wide A/B Test Results dashboard in Tableau to enhance decision-making processes.
- Analyzed and monitored over 30 A/B tests, delivering actionable insights through SQL, Excel, R, and Tableau.
- Conducted weekly office hours to address company-wide data requests, promoting data accessibility and literacy.
- Documented experimentation best practices and held training sessions to strengthen the company's data-driven culture.
- Mentored and supervised three associate analysts in a rotational program, fostering professional growth and development.
Capstone Research Consultant
The Stimson Center
08.2020 - 05.2021
- Conducted data collection and analysis on energy and carbon emissions data using R and Excel.
- Produced data visualizations to support strategic recommendations on U.S. energy policy.
Research Consultant
East-West Center
08.2020 - 11.2020
- Co-authored research on U.S. engagement with Pacific Island nations, developing over 10 data-driven graphics using R and ArcGIS Pro.
Administrative Assistant
Graduate Student Services at The George Washington
10.2019 - 09.2020
- Maintained and analyzed data on over 250 graduate students using Excel to draft reports on
programs related to the Elliott School of International Affairs
Education
Master of Arts - Security Policy Studies
The George Washington University
Washington, DC05-2021
Bachelor of Arts - English Studies
Temple University
Philadelphia, PA05-2017
Skills
- Data Analysis: SQL, R, Python
- Data Visualization: Tableau, Looker, Streamlit
- Data Management: BigQuery, dbt
- Code Management: Git
- Project Management: Jira, Confluence
Timeline
Senior Data Analyst
Viator
09.2021 - Current
Capstone Research Consultant
The Stimson Center
08.2020 - 05.2021
Research Consultant
East-West Center
08.2020 - 11.2020
Administrative Assistant
Graduate Student Services at The George Washington
10.2019 - 09.2020
Master of Arts - Security Policy Studies
The George Washington University
Bachelor of Arts - English Studies
Temple University
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