Leonardo Cuellar

Transforming ideas into scalable solutions at the intersection of cloud infrastructure, data analytics, and strategic consulting.

2+ Years Experience
10+ Projects Delivered
5+ Certifications
8+ Industries Served

Professional Journey

Building expertise through hands-on experience at leading technology companies and impactful organizations.

Technology & Strategy Intern (Infrastructure & Cybersecurity)
West Monroe • Jun 2025 – Aug 2025 • New York, NY

Identified $100M+ in IT infrastructure synergies for a $25B+ advertisement merger, consolidating data centers, cloud platforms, and networks within a 50-person engagement team.
Modeled integration costs, contract rationalization, and IT systems analysis; developed executive-level deliverables with PowerPoint, Excel, Smartsheets, and proprietary visualization tools.
Facilitated IT leadership workshops with CIOs, CTOs, and senior executives of both organizations to validate consolidation models and secure alignment with minimal pushback.
Drove $20M+ in follow-on consulting work through actionable presentations and proposals.
Executed an IT carve-out migration for a PE-backed manufacturer, overseeing network cutovers and workstation migrations.

Tax Preparer Seasonal Intern – Wealth Management Tax Services
PwC • Jan 2025 – Apr 2025 • Pittsburgh, PA

Processed 800+ federal and state tax forms for banking client, resolving diagnostics to enable compliance automation.
Developed Python automation script for data cleaning, doubling tax-preparation efficiency.
Designed firm-wide Alteryx/VBA liability forecasting tool, improving accuracy and reducing manual effort by 80%.

Application Consultant Intern – Hybrid Cloud Services
IBM • May 2024 – Aug 2024 • New York, NY

Built VBA-driven financial forecasting tool in Excel, projecting hours and labor costs across a $32M project.
Presented strategic initiative embedding 30% saving into program’s five-year roadmap.
Leveraged watsonx.ai in IBM Challenge, achieving 99.3% efficiency in contract analysis and redaction.
Co-led IBM + Google Cloud NYC Summit support.

Certifications & Expertise

Validated skills and continuous learning in cloud technologies, data analytics, and enterprise solutions.

Certifications

IBM Data Analyst Professional Certificate IBM / Coursera · 2024
Google Cloud Associate Cloud Engineer Google Cloud · 2024

Additional Credentials

Inclusive Mindset PwC · 2025
Microsoft Office Specialist (MOS) Microsoft · 2022