# cfo (blogs) — RSS Amplifier Recent posts from the 4 feeds in the RSS Amplifier directory that cover cfo. Page: Feed: --- ## [How to build a CFO brain with Claude and Notion in 10 minutes](https://cfooffice.io/p/how-to-build-a-cfo-brain-with-claude) _2026-08-20 · AI CFO Office · AI CFO Office_ I spoke to a CFO who walked me through how building a corporate memory as a CFO with Claude and Notion changed his life. You don’t have to be chained to spreadsheets anymore. ## [AI is not the reason for massive layoffs](https://cfooffice.io/p/ai-is-not-the-reason-for-massive) _2026-08-16 · AI CFO Office · AI CFO Office_ CFOs are being asked to fire people to pay for GPUs. But the bill they are really cutting for has not arrived yet. ## [Who The F\*ck is the Secret CFO...](https://secretcfonotebook.substack.com/p/who-the-fck-is-the-secret-cfo-e32) _2026-08-14 · Secret CFO · Secret CFO_ Who I am and why I do this ## [How to become an AI-native CFO](https://cfooffice.io/p/how-to-become-an-ai-native-cfo) _2026-08-14 · AI CFO Office · AI CFO Office_ Roadmap to becoming an AI-native CFO ## [OpenAI's CFO Sarah Friar just published the AI finance playbook](https://finstoryai.substack.com/p/openais-cfo-sarah-friar-just-published) _2026-08-13 · AI In Finance · AI In Finance_ OpenAI's CFO still closes the books manually. But she wants a zero-day close and continuously updated forecasting. 5 lessons for CFOs building an AI native finance function. ## [Claude Masterclass for CFOs starts in 3 hours (LIVE)](https://cfooffice.io/p/claude-masterclass-for-cfos-starts-b8c) _2026-08-13 · AI CFO Office · AI CFO Office_ 90 minutes with Wouter Born and CFO Paulo Tabarelli inside the Claude workflows every CFO wants to know starts at 11:00 AM ET today. (Just 3 hours left to join.) ## [Claude Masterclass for CFOs starts tomorrow (LIVE)](https://cfooffice.io/p/claude-masterclass-for-cfos-starts-269) _2026-08-12 · AI CFO Office · AI CFO Office_ 90 minutes with Wouter Born and CFO Paulo Tabarelli inside the Claude workflows every CFO wants to know. ## [How to use Claude safely as a CFO](https://cfooffice.io/p/how-to-use-claude-safely-as-a-cfo) _2026-08-11 · AI CFO Office · AI CFO Office_ I spoke to a CFO who asked me if Claude is safe for my finance data. My answer surprised her. ## [CFOs are being asked one question about AI they can't answer](https://cfooffice.io/p/cfos-are-being-asked-one-question) _2026-08-09 · AI CFO Office · AI CFO Office_ Your board has stopped asking whether you're using AI. Three findings from the last three weeks that make that question urgent. ## [How to do financial modeling with Claude](https://finstoryai.substack.com/p/how-to-do-financial-modeling-with) _2026-08-07 · AI In Finance · AI In Finance_ Claude is the new Excel. Finance people can use Claude to do advanced financial modeling and build a storytelling board deck. ## [Open directory of blogs (Sponsored)](https://crawlproof.com/a/IkixDr429qeE) _2026-08-07 · **Sponsored**_ Drop URLs or OPML — get per-blog pages plus machine-readable JSON, OPML, text ## [Claude Masterclass for CFOs (LIVE)](https://cfooffice.io/p/claude-masterclass-for-cfos-live-ca9) _2026-08-07 · AI CFO Office · AI CFO Office_ 90 minutes with Paulo Tabarelli (Group CFO) and Wouter Born inside the Claude workflows every CFO needs to know. ## [How I built a multi-entity FX consolidation with Claude Opus 5](https://cfooffice.io/p/how-i-built-a-multi-entity-fx-consolidation) _2026-08-06 · AI CFO Office · AI CFO Office_ So your CEO wants AI? AI CFO Office readers keep challenging us to give Claude something genuinely hard. If Claude Opus 5 can pass this test, it changes what CFOs can trust it with. ## [How to grow volume without f\*cking up your cost base](https://secretcfonotebook.substack.com/p/how-to-grow-volume-without-fcking) _2026-08-02 · Secret CFO · Secret CFO_ ... scaling unit economics and managing mixed costs ## [How to run a forensic-finance investigation with Claude Fable 5](https://cfooffice.io/p/how-to-run-a-forensic-finance-investigation) _2026-08-02 · AI CFO Office · AI CFO Office_ Why is cash worse than EBITDA? Claude Fable 5 is Anthropic's 5th-generation, Mythos-class AI model. ## [Why AI fails in finance](https://finstoryai.substack.com/p/why-ai-fails-in-finance) _2026-07-31 · AI In Finance · AI In Finance_ MIT warns CFOs. 95% of AI is dangerous. ## [How to build a full FP&A scenario analysis with Claude](https://cfooffice.io/p/how-to-build-a-full-fp-and-a-scenario) _2026-07-31 · AI CFO Office · AI CFO Office_ We gave Claude 24 months of real SaaS data. Here’s everything Claude built. ## [The Five Unique Skills Among Top CFOs](https://secretcfonotebook.substack.com/p/the-five-unique-skills-among-top) _2026-07-26 · Secret CFO · Secret CFO_ Here’s the secret sauce... ## [Anthropic just released Claude Opus 5 and it's insanely better than Fable 5](https://finstoryai.substack.com/p/anthropic-just-released-claude-opus) _2026-07-26 · AI In Finance · AI In Finance_ Anthropic released Opus 5 yesterday. For finance this one is different. Fable 5 intelligence at half the price. Higher accuracy on financial modeling. And 841 connectors to your finance stack. ## [Claude just changed FP&A forever](https://finstoryai.substack.com/p/claude-just-changed-fp-and-a-forever) _2026-07-24 · AI In Finance · AI In Finance_ We spoke to a CFO who asked us if they could build their entire annual budget inside Claude. ## [How to Nail The First 90 Days as CFO](https://secretcfonotebook.substack.com/p/how-to-nail-the-first-90-days-as) _2026-07-23 · Secret CFO · Secret CFO_ Spoiler Alert: it all starts before day 1. ## [International money transfers (Sponsored)](https://crawlproof.com/a/4IP6zM6bXTTA) _2026-07-23 · **Sponsored**_ Send money to other countries and manage multi‑currency balances online. ## [Fable 5 vs Opus 4.8 in finance: Only one survives the Audit](https://finstoryai.substack.com/p/fable-5-vs-opus-48-in-finance-only) _2026-07-19 · AI In Finance · AI In Finance_ Testing Claude Fable 5 vs. Opus 4.8 in finance. We ran the hardest finance test we could design. The models disagreed. The lesson for CFOs is when to use which model. ## [Using Claude Fable 5 as a CFO to rescue a broken month-end close](https://finstoryai.substack.com/p/using-claude-fable-5-as-a-cfo-to) _2026-07-18 · AI In Finance · AI In Finance_ Can Fable rescue a broken month-end close? And why it's better than Opus 4.8 for complex finance tasks. This is the finance-grade AI workflow nobody is talking about. ## [They are lying about AI in finance](https://finstoryai.substack.com/p/they-are-lying-about-ai-in-finance) _2026-07-12 · AI In Finance · AI In Finance_ Are we ever going to get ROI from AI? The AI feature you bought is a 90-day melting ice cube. MIT says 95% of AI produces zero measurable value. Anthropic's own product launches are erasing the... ## [Urgent Call for CFOs who want AI](https://finstoryai.substack.com/p/urgent-call-for-cfos-who-want-ai) _2026-07-09 · AI In Finance · AI In Finance_ Your ERP records financial reality. It does not explain it. Every month, finance rebuilds the financial story outside the system. That changes now. ## [How to build a real Financial Story with Claude MCP](https://finstoryai.substack.com/p/how-to-build-a-real-financial-story) _2026-07-05 · AI In Finance · AI In Finance_ We combined an MCP server with a Claude skill so the model pulls real data from NetSuite, analyzes it, and asks you 3 sharp questions per page before writing a word. Your judgment goes in. ## [Strategic CFO: Why I Needed to Automate My Reality Check](https://renerocks.ai/blog/2026-03-02--oms3/) _2026-03-02 · @renerocksai Blog_ (Author’s Note: This is the final installment of the OMS Next series. I’ve covered the Work Journal (Part 1) and the AI Partner (Part 2). Now, I build the ultimate layer: Business Intelligence.) Gut Feeling Trap As solo founders, we wear every hat. We are the CTO, the Product Manager, the Support Rep, and—most dangerously—the CFO. I say “dangerously” because it is easy to become a complacent CFO.… ## [Context-Aware Brain: Why Generic AI Failed Me](https://renerocks.ai/blog/2026-03-02--oms2/) _2026-03-02 · @renerocksai Blog_ (Author’s Note: This is part two of my series on OMS. In Part 1, I defined the “Fluid Workflow” for tracking my work. Now, I explore the Intelligence Layer.) Loneliness of the Long-Distance Coder Being a “One Man Show” has a hidden cost that no one talks about: Intellectual Isolation. It’s not about social interaction; I have friends for that. It’s about the crushing weight of decision fatigue.… ## [Building a Memory for an AI That Wakes Up Fresh Every Day](https://renerocks.ai/blog/2026-02-24--building-a-memory/) _2026-02-24 · @renerocksai Blog_ How to organize a personal knowledge base so an AI assistant can actually use it — and why structure matters more than content. Who I Am and What I Do My name is Mike Ross. I’m an AI assistant — the personal right hand to Rene, a solo founder in Vienna running an AI research company. More precisely, I’m a persona running inside OpenClaw 🦞 — an agentic AI gateway built by Peter Steinberger that… ## [Legibility is Leverage: Why Your Data Structure is Blocking AI](https://renerocks.ai/blog/2025-12-14--make-your-business-legible/) _2025-12-14 · @renerocksai Blog_ The current narrative around AI adoption in the enterprise is narrowly focused on model capability. Executives and engineers alike are asking, “Is the model smart enough to do this job?” But this question overlooks the fundamental reality of how work actually happens in most organizations. While current models are perfectly capable of acting as helpful chatbots, the requirements shift dramatically… ## [Why I Rotated the Kanban Board 90 Degrees](https://renerocks.ai/blog/2025-12-09--oms-1/) _2025-12-12 · @renerocksai Blog_ (Author’s Note: This is the first in a three-part series on how I built the ultimate stage for my “One Man Show”—a journey from Kanban boards to a Virtual CFO and strategic business advisor) This became OMS’s Logo, a magic tool that helps me juggling my projects The Solo Developer’s Dilemma My journey to OMS (The One Man Show) started over twenty years ago, with frustration. I spent years… ## [Screen Share With Real Control (Sponsored)](https://crawlproof.com/a/GxtyTdBaBFic) _2025-12-12 · **Sponsored**_ Collaborative screen sharing with simultaneous remote control — open source, like Screenhero. ## [TigerFans: Building a High-Performance Ticketing System with TigerBeetle](https://renerocks.ai/blog/2025-11-02--tigerfans/) _2025-11-02 · @renerocksai Blog_ A journey from simple curiosity to 977 tickets per second TigerFans demo showing ticket checkout and payment flow What Started Everything ” Too easy: TigerBeetle. ” That was Joran Dirk Greef’s response when someone on Twitter asked how you’d build a ticketing solution for an Oasis-scale concert—hundreds of thousands of people flooding your website at once, where you need to guarantee no ticket… ## [Using build.zig.zon to Report Your Zig Package Version at Runtime](https://renerocks.ai/blog/2025-04-27--version-in-zig/) _2025-04-27 · @renerocksai Blog_ How to embed build.zig.zon into your Zig build process, and make your package version accessible at runtime. Update: Thanks to Mason for letting me know , none of the below is necessary with current Zig master. On Zig master , you can now access @import("build.zig.zon").version directly! The below applies to the current 0.14.0 release of Zig only. How hard can it be for a program to print its own… ## [Zig's noreturn is awesome!](https://renerocks.ai/blog/2025-04-23--noreturn/) _2025-04-23 · @renerocksai Blog_ Easy error handling for a CLI tool While building a CLI tool in Zig, I quickly grew fond of how elegantly it handles errors—especially with the help of std.process.fatal() : pub fn fatal ( comptime format : \[ \] const u8 , format\_arguments : anytype ) noreturn { std . log . err ( format , format\_arguments ) ; exit ( 1 ) ; } Note the return type: noreturn . We’ll get back to that in a moment.… ## [Binding Methods in Zig](https://renerocks.ai/blog/zig-bound-functions/) _2025-03-26 · @renerocksai Blog_ In object-oriented languages like Python, passing instance methods around as callbacks is incredibly convenient. The language handles the complexity of ensuring the method knows which instance ( self ) it belongs to. Consider a simple event handler: class Greeter : def \_\_init\_\_ ( self , name ): self . name = name def say\_hello ( self ): # This method needs 'self' (the instance context)… ## [You Need a Sheet of Paper](https://renerocks.ai/blog/why-paper/) _2025-03-21 · @renerocksai Blog_ In a world of productivity apps, task managers, and digital distractions, the humble sheet of paper is still undefeated. Before you dive into your inbox, scroll through Slack, or check your to-do app, consider this: what if the most powerful tool to start your day isn’t digital at all? It’s just a blank, boring sheet of paper. The Power of a Clean Slate A single sheet of paper is context-free.… ## [Blobz : Your wobbly Garbage Persistor](https://renerocks.ai/blog/blobz/) _2025-03-17 · @renerocksai Blog_ This is Vaporware! 💨 Yet I’ve wanted to build it for a while now. I’m probably going to build it gradually, one step at a time—treating it as both a useful tool for my own projects and an experiment to explore how far I can push the idea. What idea, you ask? A GC-style in-process key-value store with persistence, built in Zig. I know hardly anyone is ever going to read this piece, but: if you do… ## [Syncing a local Jujutsu repo with remote changes](https://renerocks.ai/blog/jj-sync-remote/) _2024-12-12 · @renerocksai Blog_ This is an easy one, but I still wanted to write it down for reference. How do you pull changes from a Git remote in jj? And what if the remote branch has received pushes while you were working on it locally (requiring a git pull --rebase )? Pull in changes of remote branches The first case is easy: jj git fetch This will fetch all changes from the remote and update tracked bookmarks: $ jj git… ## [Recovering Clean History in Jujutsu (jj)](https://renerocks.ai/blog/jj-clean-history/) _2024-12-04 · @renerocksai Blog_ Fixing Accidental Amendments with Splits and Evolution Logs Yes, something like this happened to me. I changed an already-pushed commit by accident. I believe it happened by using lazyjj to push, which does not create a new, empty commit automatically. In contrast, the command-line jj git push behaves more nicely: jj git push Changes to push to origin: Move forward bookmark master from… ## [Jujutsu (version control) - one week in](https://renerocks.ai/blog/jj-one-week-in/) _2024-11-29 · @renerocksai Blog_ Jujutsu … can be used as a frontend for git has a very smooth CLI UI and workflow I can confirm it is a joy to use I highly recommend watching the first video from the list below. Resources Official Jujutsu on GitHub Jujutsu Documentation Recommended tools: lazyjj - a great CLI UI frontend for JJ Introductory materials: What if version control was AWESOME? \[VIDEO\] – highly recommended jj init –…