Deep dives across data, automation & AI

Building a Reusable Function Library in Power Query

Master advanced M language patterns to create maintainable, performance-optimized function libraries that transform how your team works with Power Query across projects.

Advanced Excel Tables: Sorting, Filtering, and Structured Data Architecture for Data Professionals

Master Excel Tables beyond basic formatting—learn advanced sorting hierarchies, sophisticated filtering criteria, and multi-table architectures that transform spreadsheets into robust analytical platforms for enterprise data management.

Pricing Data Projects: Hourly vs Fixed vs Value-Based - A Complete Guide for Data Professionals

Learn when to use hourly rates, fixed pricing, or value-based contracts for data projects. Includes frameworks, calculations, and scripts for pricing conversations that capture the true worth of your expertise.

Streaming Responses and Real-Time AI Interfaces

Performance Tuning DAX: Optimize Slow Measures with DAX Studio

Master systematic DAX performance optimization using DAX Studio's diagnostic capabilities. Learn to identify bottlenecks, analyze execution plans, and implement targeted optimizations that transform slow measures into lightning-fast calculations.

M Language Performance Patterns and Anti-Patterns: Optimize Power Query for Speed

Master the performance patterns that make M Language queries blazingly fast and eliminate the anti-patterns that kill query folding. Learn memory management, join optimization, and debugging techniques for production-ready Power Query solutions.

Finding and Winning Data Freelance Projects on Upwork and LinkedIn

Master the complete system for building a profitable data freelancing practice. Learn to create compelling profiles, find high-quality projects, write winning proposals, and build long-term client relationships that generate consistent income.

Building a Complete Modern Data Stack from Scratch

Building Streaming AI Interfaces: Real-Time Response Delivery

Learn to build responsive AI applications that stream tokens in real-time, creating conversational experiences that engage users from the first word.

DAX for Many-to-Many Relationships and Complex Data Models

Master advanced DAX patterns for handling many-to-many relationships in Power BI. Learn bridge tables, filter direction, and performance optimization for complex business scenarios.

Working with JSON and XML Data Sources in M: Complete Foundation Guide

Master Power Query's M language functions for parsing and transforming JSON and XML data into analysis-ready tables. Learn practical techniques for handling nested structures, missing fields, and common data quality issues.

Building Productized Services with Power BI and Excel: From Custom Consultant to Product Owner

Transform your consulting expertise into scalable, high-margin productized services. Learn advanced Power BI templating, Excel configuration systems, and delivery frameworks that let you scale beyond personal capacity.