Chris Webb

blog.crossjoin.co.uk

Chris Webb is a member of the Fabric Customer Advisory Team at Microsoft

Sessions for 2026

Fabric Power Hour

If you know, you know

Performance tuning Dataflows Gen2

Learn how new features in Dataflows Gen2 result in better performance and lower CU cost

Secrets of Power BI Performance Analyzer

Understand how to use all the information available in Performance Analyzer in Power BI to tune your reports.

Through the Hype: Fabric in the Real World

Join Microsoft partners, customers, and Fabric specialists for a candid discussion that cuts through the hype to reveal what’s truly delivering value and what’s still evolving in the Fabric ecosystem today.

Tuning Power BI Copilot with AI Instructions

A deep dive into tuning Power BI Copilot AI Instructions, including: What can you put in them? What *should* you put in them? How should you structure them? How can you test whether they are actually making answers better?

Previous Sessions

Using Analysis Services MD as a Data Source for Power BI

Learn how to get the most of your SSAS MD cubes when using Power BI as a front-end

Introduction to Azure Analysis Services

Learn to build Analysis Services models in the cloud

Building A Reporting Solution Using Power Query

See how to use Power Query to build a detail-level reporting solution

Power Query: Beyond The Basics

An in-depth session on advanced Power Query functionality and the M language

DAXMD: SSAS Multidimensional meets DAX and Power View

This session looks at the most significant new functionality to be added to SSAS Multidimensional in recent years: support for the DAX language and Power View.

Advanced Security with Analysis Services Multidimensional

This session will cover advanced security topics in the Analysis Services Multidimensional model.

Fun with Scoped Assignments in MDX

This session will introduce the concept of scoped assignments in MDX and show how they can be used to solve various calculation problems.

This session explains what the BI Semantic Model in SQL Server Denali is, how it is related to Analysis Services, and provides a brief introduction to the new Tabular model.

Introduction to Performance Tuning Analysis Services 2008

Learn to tune Analysis Services 2008 query performance

Implementing Common Business Calculations in DAX

This session will introduce the basic concepts of the new multidimensional calculation language, DAX, and show how to implement several common calculations in it

Common Analysis Services design mistakes and how to avoid them

Learn about the most frequently made Analysis Services design mistakes, the problems they cause, and how to fix them or not make them in the first place

Designing Effective Aggregations in Analysis Services 2008

This session will show you how to build aggregations in Analysis Services 2008 that are useful for the queries you're actually running

Cache-warming strategies for Analysis Services 2008

Learn how the Analysis Services cache works, and how you can pre-load it with data to ensure optimal query performance.