
Jonas
Level 2
Financial Modeler and Excel Expert MSc Quantitative Finance
Skills

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446 Reviews
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fionahsu336

Verenigde Staten
Jonas did an exceptional job helping me build a very complex construction financial system in Google Sheets. This was not a simple spreadsheet — it involved multiple interconnected tabs, cost tracking logic, and construction-specific financial workflows. Jones approached the entire project with professionalism,...
george_taylor67

Verenigde Staten
I really enjoyed working with Jonas! I had a problematic (to me) issue trying to fix a faulty spreadsheet. Jonas explained that he could fix the problem but the fix would be a patch likely to repeat. Jonas gave me the option of creating a new spreadsheet, using the old one as a guide, which I accepted....
coffeebeanben

Verenigde Staten
dak_jacobs

Nederland
Great collaboration, helped me understand the data and explained how to dig deeper into it. Will book future sessions.
thomassahs

Verenigde Staten
JOnas was very helpful and answered all of my questions
