
Jon Yeldham
Chief Innovation Officer at Lodeum; 20+ year financial modeling expert specializing in project and corporate finance.
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2
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SEP 7
Jun 9, 2026
The Critical Role of Communication and Standard Definitions in Financial Modeling with John Yeldham
9:34
9:39
9:52
10:04
10:13

Jon YeldhamGUEST
I've always been conscious of maybe my language being slightly different from other peoples.

Jon YeldhamGUEST
And I think in the world of financial modeling and the world of finance as well, but separately, and in the world of accounting, there are certain sets of languages that have arisen.

Jon YeldhamGUEST
There are words that are used, and those words, they're not necessarily consistent, they're slangy, and they, they really do a few things, some positive and some negative.

Jon YeldhamGUEST
Sometimes they provide a, a quick way to describe something so that people inside that bubble can communicate quickly and get things done.

Jon YeldhamGUEST
Um, I know in financial modeling people say IDC, meaning interest during construction.
21 MINS LATER
The Critical Role of Communication and Standard Definitions in Financial Modeling with John Yeldham
26:01
26:17
26:34
26:43
P
25:53Paul BarnhurstHOST
The main functions we need for a model, if you're working with finance people, the average person can figure out the 15, 20 functions that cover 90% of what we do.

Jon YeldhamGUEST
If I have a client and I've given them a model, I don't want them to feel that they don't understand that model, so I can't load it with loads of lambdas, func- new functions they don't trust and they have to learn every time they look at the model.

Jon YeldhamGUEST
Similarly, I can't give them really big lambdas of massive stuff inside because it's really difficult to, to gain trust in that, um, just because it's so big and complicated.

Jon YeldhamGUEST
But the way I think about it is it works, and the way you get trust is you have a standard.

Jon YeldhamGUEST
You have a standardized set of functions that industry agrees on over and above Microsoft.
P
30:51Paul BarnhurstHOST
Like, you know, why is the timing as far as now for a modeling training company, the type of training you have? Just take a few minutes and tell us a little bit about it.