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.

April 9, 2025

Modernizing OLAP for the Cloud: Why Legacy BI Needs a Semantic Upgrade

Organizations that have relied on OLAP cubes for years are hitting a wall. The traditional OLAP approach—great for fast, multidimensional analysis—was never designed for the modern cloud data ecosystem. And with the rise of cloud data platforms like Snowflake, Databricks,…

March 20, 2025

Semantic Layers in Data Strategy: Enabling Governance and Democratization

Recently, I had the opportunity to join the EDM Council webinar, Semantic Layers in Data Strategy: Enabling Governance and Democratization, alongside industry experts, including Morgan Templar, Chief Executive Officer at First CDO Partners, and Leigh Pence, Data Governance Senior Tech…

December 17, 2024

The Future of Data & Analytics in 2025

It’s been just over two years since ChatGPT changed the data, analytics, and AI landscape. Some of this technology has made its way into the analytics tools we use today, but its reach and effect on everyday work are still…

December 3, 2024

Eleven Semantic Layer Benefits & Use Cases

In an era where data is at the heart of strategic decision-making, business users need tools that simplify data access and enhance insights without overwhelming complexity. AtScale offers a powerful semantic layer designed specifically to empower business users. By bridging…

November 14, 2024

The Benefits of Data Storytelling in Building a Data-Driven Culture

In today’s data-driven world, organizations are constantly seeking ways to harness the power of data. Yet many struggle to translate these insights into impactful actions. Compelling data storytelling is the bridge between raw data and meaningful action. But how can…

October 31, 2024

5 Common Data Challenges & How a Semantic Layer Can Solve Them

In today’s fast-paced business environment, the ability to make quick, informed decisions is a critical differentiator. However, organizations often face significant data challenges when it comes to data-driven decision-making. These challenges typically stem from the absence of a semantic layer,…

September 10, 2024

Announcing Open Source Semantic Modeling Language (SML)

It’s been over ten years since my co-founders and I launched AtScale to democratize analytics for everyone. We quickly realized that we needed to create a business-friendly view on top of the technical data so that ordinary business users could…