I won the Microsoft Excel World Championship. Here's what every office worker should know about Excel.
Diarmuid Early won the 2025 Microsoft Excel World Championship. He has some Excel pointers for today's office workers. Diarmuid Ealry Diarmuid Early won first place in the 2025 Microsoft Excel World Championship. He told Business Insider his Excel advice for everyday office workers. Early runs an Excel advising firm. He refined his spreadsheet skills at BCG and Deutsche Bank. This as-told-to essay is based on a conversation with Diarmuid Early, the 40-year-old winner of the 2025 Microsoft Excel World Championship. It's been edited for length and clarity. I've been in the Excel business for about 20 years. I played around with it a little bit in college and started using it professionally at Boston Consulting Group . Then I spent 10 years at Deutsche Bank as a business manager. It was lots of data analysis and reporting on financials. I've been doing my own thing for about six years now, so I've pretty much used Excel my entire career. Winning the Exce...
