Senior Director of Product Management at AtScale.
Daren Drummond is a seasoned product and engineering leader with over nine years in product management and more than 18 years in software engineering. Specializing in business intelligence, big data, and machine learning, he has driven the development of analytics solutions used by Fortune 1000 companies to power mission-critical workloads.
His technical expertise encompasses BI tools (Tableau, Power BI, Looker), cloud platforms (AWS EC2, GCP, Azure), and big data ecosystems (Snowflake, Google BigQuery, Redshift, HDP, Databricks). He is well‑versed in programming languages including Python, Java, R, C, and JavaScript, and applies both classical and Bayesian statistical methods along with machine learning techniques (classification, regression, clustering, neural networks, Q‑learning, time‑series analysis).
February 11, 2025
How to Write Report-Scoped DAX Expressions Using AtScale Dimensional ModelsIn my last post, I demonstrated the many advantages of using AtScale Models to power your Business Intelligence workloads, including human-friendly SML syntax, Git integration, multi-tool support, zero-extract Live Connections, and proven BI Modeling capabilities. In this post, I'll demonstrate…
October 21, 2024
How to Optimize Modern Data Models Without Sacrificing Proven BI TechniquesTabular models and the Data Analysis Expression (DAX) language offer Microsoft Power BI users enormous analytic and visualization capabilities. As powerful as these tools are, when using them, it can feel like one is reinventing the wheel to solve basic…
March 4, 2019
Supercharge Your Percentile Calculations for Big Data (Part I)Additional contribution by: Santanu Chatterjee, Trystan Leftwich, Bryan Naden. A new and powerful method of computing percentile estimates on Big Data is now available to you! By combining the well known t-Digest algorithm with AtScale’s semantic layer and smart aggregation…
Additional contribution by: Santanu Chatterjee, Trystan Leftwich, Bryan Naden. In the previous post, we discussed typical use cases for percentiles and the advantages of percentile estimates. In this post, we illustrate how to model percentile estimates with AtScale and use…