Managing Director · Data & AI · EY

Reimagining the world through Data & AI.

Fueling innovation with data. Reimagining the world through AI

About

Bridging strategy, engineering, and the enterprise.

Hi, I’m Oscar Marin — a technology consulting leader and Managing Director at EY, specializing in Data and AI. I work closely with some of the world’s companies to help them harness the power of data, accelerate digital transformation, and drive sustainable innovation across their value chain.

With a strong background in software engineering, data architecture, and AI strategy, I bridge the gap between business and technology. Whether I’m advising on MLOps, designing scalable applications, or leading workshops on generative AI, I’m passionate about delivering impactful solutions that empower organizations to thrive in a changing world.

Outside of work, I’m a proud husband and father of two daughters, a lifelong learner, and an advocate for purposeful living. I also enjoy building side projects, writing open-source tools, and exploring the intersection of technology and everyday life.

Featured writing

Notes on AI, semantics, and the enterprise.

Dec 31, 2025

Ontologies at the Center of AI Why Semantics Will Define Value in 2026

How enterprises can unlock AI value by turning data into shared knowledge through semantic models and knowledge graphs.

Apr 30, 2025

What is MCP and Why You Should Care

How a New Open Standard Is Making AI Smarter, Faster, and More Useful.

Apr 7, 2025

Enterprise Applications: How Semantic Models Enable Scalable Agentic AI

Why Semantic Models Are the Backbone of Intelligent, Scalable AI Agents in the Enterprise.

Mar 29, 2025

Introduction to Semantic Models and Why They Matter for the Future of AI Interfaces

How semantic models empower conversational AI to better understand your business.

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Older essays on data architecture, MLOps, semantic models, and the practice of consulting in the AI era.