Holy Macro! Books has been providing top-quality books on Excel, Power Query, and Power BI since 2002. They have published over 100 titles by 30 authors, including numerous Microsoft MVPs.
Oz du Soleil is an Excel MVP who's been working with Excel since 2001. Oz has several Excel courses on the LinkedIn Learning platform. He's possibly best known for the dramatic and colorful Excel tutorials he posts on his YouTube channel Excel on Fire. Most recently, Oz has presented Excel topics and master classes at conferences in Amsterdam; Sofia, Bulgaria; São Paulo, Brazil; Toronto, Canada; and cities around the United States. When Oz isn't elbows-deep in the guts of a spreadsheet, he does storytelling around Portland, Oregon. He has told stories onstage for Risk!, Pants on Fire, Seven Deadly Sins, Pickathon, The Moth, and other storytelling shows.