Thomas Mandelman

Head Data Analyst

Renaissance Growth

Feb 2026 - Current (7 months)

• Designed and built a lead-grain multidimensional analytics cube over 16M+ email send events with cohort-aware segmentation (intent vs prospecting) and cross-cuts by sender × recipient × source × industry, powering weekly executive reports I deliver to cross-functional stakeholders (CEO, marketing, Campaign Managers, Inbox Managers) that drive kill/migrate/scale decisions on infrastructure and lead sources. • Architected an automated executive report generator that produces formatted Word reports directly from cube queries in under 10 minutes over 16M+ row datasets, with a reconciliation gate that aborts publication if numbers fail to reconcile against source-of-truth. • Architected and deployed an AI-powered Lead Scoring system in product

C

Data Analyst

ComCap LLC

May 2023 - Nov 2025 (2 years 7 months)

• Performed critical data analysis to identify patterns and trends within Mergers and Acquisitions (M&A) operations. • Developed advanced Power BI dashboards integrating data from HubSpot CRM and flat files through robust cleaning, transformation, and ERD modeling in SQL Server. • Partnered with investment bankers to deliver dynamic visualizations that streamlined financial evaluation and decision-making processes.

G

Accounts Payable Analyst

Grupo Disal (Tersuave)

Apr 2021 - Nov 2022 (1 year 8 months)

• Designed and maintained relational databases in SQL Server to ensure efficient payment controls and reconciliation. • Created Power BI control panels for operational and management teams, significantly improving visibility into vendor negotiations and outstanding liabilities. • Managed data flows and critical information entry within the SAP ERP system.

Administrative Analyst

Grupo Gea

Feb 2020 - Apr 2021 (1 year 3 months)

• Managed end-to-end settlement and billing processes for medical clinics, ensuring accuracy and timely payments. • Conducted financial reconciliations and managed administrative documentation in a high-volume healthcare environment. • Streamlined internal workflows to improve operational reporting efficiency.

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