Diarmuid Early

Diarmuid founded Early Days Consulting and is a partner in The Golden Company, specializing in financial modeling, reporting, and automation. Before starting Early Days, he worked as a business manager at Deutsche Bank for ten years in New York and London and started his career as a strategy consultant with the Boston Consulting Group in London.

Along with his industry experience, he has a Ph.D. in computer science and earned a CFA charter, which gives him a unique perspective as a financial modeler and trainer. Diarmuid is a two-time world financial modeling champion (2014 and 2021), and four-time runner-up. (2016, 2020, 2022 and 2023).

DEC 2 | 2:15 PM - 3:15 PM

Building a More Powerful Functions with LET

LET might be the most powerful (and underappreciated!) function in modern Excel. Once you learn how to use it properly, you’ll be able to build formulas that have all the power of a whole sheet of helper columns, while fitting in a single cell. More importantly, you’ll do it in a way that looks nothing like the terrifying, unauditable nightmare formulas that you’ve probably been warned about – if you use LET right, it can give you all the compactness of a single cell formula without sacrificing readability and auditability.