Dave Mariani

Dave Mariani LinkedIn Profile

Dave is the founder of AtScale and is the Chief Technology Officer. Prior to AtScale, he was VP of Engineering at Klout & at Yahoo! where he built the world’s largest multi-dimensional cube for BI on Hadoop. Mariani is a Big Data visionary & serial entrepreneur.

October 2, 2025

Composable Models: Why Composability is the Future of the Semantic Layer

The 2025 GigaOm Semantic Layer Radar Report recognized AtScale as the Leader and Fast Mover for our innovations in composable modeling, open semantics, and AI readiness. Composable models treat every metric and dimension as modular, reusable components. This architecture eliminates…

September 9, 2025

Why 95% of Generative AI Pilots Are Failing and How to Actually Fix It

The Harsh Reality: AI Pilots Are Stalling MIT’s NANDA initiative recently published a study showing that “the 95% failure rate for enterprise AI solutions represents the clearest manifestation of the GenAI Divide.” For executives betting big on AI, that number…

July 22, 2025

The Future Is Open: Why Open Semantics Matter More Than Ever

When we launched AtScale over a decade ago, the idea of a universal semantic layer was ahead of its time. Today, it’s no longer a vision, and it’s the foundation for modern analytics and enterprise AI. At the 2025 Semantic…