Data Analyst - SQL, Python, BI Dashboards

LISA ROMAN FOSS

Boston, MA 774-***-**** ********.*******@*****.*** https://www.linkedin.com/in/fosslisa/ https://github.com/Lisafoss22 PROFESSIONAL SUMMARY

Results-driven Data Analyst with expertise in SQL, Python, Power BI, Tableau, and data visualization. Experienced in data cleaning, exploratory analysis, dashboard development, KPI reporting, and predictive analytics. Proven track record of delivering actionable insights, improving reporting efficiency, and supporting business growth through data-driven solutions. PROFESSIONAL EXPERIENCE

Data Analytics and Research Volunteer eMarketing Association Jun 2026 - Present

• Conduct data research and outreach analysis to identify potential marketing and partnership opportunities across targeted professional networks, supporting strategic decision-making for mission-driven outreach initiatives.

• Collect, clean, and organize data from multiple online sources into structured datasets, improving accuracy and usability for downstream reporting and decision-making.

• Collaborate with team members to streamline reporting processes and improve data consistency across outreach activities, surfacing engagement patterns that inform targeting strategy.

Data Analytics Intern – Operations Vosyn, Inc. Jul 2025 - Dec 2025

• Led requirements-gathering sessions with operations, pricing, and strategy stakeholders to document current- and future-state reporting needs, translating ambiguous business questions into structured BI specifications across 1,000+ validated records.

• Improved operational reporting accuracy by 1,000+ validated records by leading requirements-gathering sessions with operations, pricing, and strategy stakeholders, translating ambiguous business needs into structured BI specifications.

• Increased revenue visibility and forecasting accuracy by 8% and 12% respectively by building ETL pipelines, source-to-target mappings, and predictive models using SQL, Python, and Excel.

AI and Machine Learning Intern InternPe Aug 2024 - Sep 2024

• Developed and validated predictive ML pipelines on 5,000+ data points, conducting data profiling and quality checks that reduced model latency by 15% and processing time by 30%.

• Analyzed and communicated machine learning results through KPI dashboards, data visualizations, and stakeholder reports, improving analytics adoption by 25%.

Jr. Client Servicing Executive - BI Analytics Vistaar Digital Communications Pvt. Ltd. Jun 2022 - Nov 2023

• Acted as a functional liaison between clients and internal teams, facilitating requirements discussions and documenting business rules to align reporting solutions with client objectives across 2,000+ records.

• Performed customer engagement analysis using SQL and Google Analytics to identify behavioral trends that supported campaign optimization and improved retention strategy decisions.

• Leveraged HubSpot CRM data to monitor customer lifecycle signals, segment churn-risk accounts, and support targeted customer success interventions that increased retention by 5%.

• Automated reporting workflows using Power BI and Python, reducing report generation time from 15 hours to 2 hours while ensuring consistent documentation, stakeholder reporting, and UAT validation standards. Data Science and Business Analytics Intern The Sparks Foundation Jul 2021 - Sep 2021

• Built supervised ML models on 800+ records achieving 85% accuracy; conducted SQL-based EDA and data profiling to surface actionable trends and deliver findings to non-technical stakeholders. TECHNICAL SKILLS

• Data Analytics & Programming: SQL (T-SQL), Python (Pandas, NumPy, Matplotlib, Scikit-learn), R, TensorFlow, Jupyter Notebook, Data Profiling, Data Validation, Exploratory Data Analysis (EDA), Statistical Analysis, Customer Segmentation, A/B Testing

• Business Intelligence & Data Management: Power BI (DAX, Power Query), Tableau, Tableau Prep, QlikView, Looker, Google Data Studio, Microsoft SQL Server, PostgreSQL, Azure Data Factory, ETL Pipelines, Data Loading, Data Transformation, Data Cleaning, Data Modeling

• Business Analysis & Tools: Requirements Gathering, Stakeholder Workshops, Business Rule Documentation, Source-to-Target Mapping, Data Dictionaries, Process Flows, User Stories, Salesforce CRM, HubSpot, KPI Reporting, Excel (Advanced), Power Automate, Git/GitHub EDUCATION

Master of Science, Data Analytics (STEM) Clark University Aug 2024 - May 2026 Bachelor of Engineering, Information Technology St. Francis Institute of Technology Aug 2018 - May 2022 LEADERSHIP & ACTIVITIES

Chair & Former Events & Logistics Officer IEEE Student Branch, Clark University Aug 2025 – May 2206

• Lead strategic direction, event planning, stakeholder communication, and logistics coordination for a 20+ member technical organization, supporting workshops and engagement initiatives.

Member Student Career Forum, Clark University (SPS) Feb 2025 – Dec 2025

• Selected member contributing to weekly career development discussions and delivering professional development presentations for graduate peers.

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