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Run the Numbers

Run the Numbers

By: CJ Gustafson
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Run the Numbers is a business podcast about financial metrics and business models for CFOs, aspiring CFOs, finance leaders, and ambitious people operating tech startups. Hosted by CJ Gustafson, CFO and writer of Mostly Metrics, the show shares lessons, frameworks, and operator insights from the trenches as a tech exec. Think of it as a playbook for the things CJ wishes he knew earlier in his career, covering SaaS metrics, annual budgeting, forecasting, headcount, equity, dilution, fundraising, and the decisions that drive performance and growth.CJ Gustafson Economics Management Management & Leadership
Episodes
  • A CFO Explains Stock Exchanges

    A CFO Explains Stock Exchanges
    Jun 4 2026
    In this episode of Run the Numbers, CJ breaks down how stock exchanges became the operating system of modern capitalism. From ship captains raising voyage money, to the Dutch East India Company’s first tradable shares, to coffee house traders, the Buttonwood Agreement, market crashes, Robinhood, and GameStop, this is the story of how markets turned ownership into something liquid, global, and very, very human.—SPONSORS:SpendHound cuts your SaaS and AI spend by up to 30% using real pricing benchmarks across 10,000 vendors, so you always know what fair pricing looks like before your next renewal. Rated #1 on G2 in SaaS spend management, it's free forever for teams up to 1,000 employees. Sign up by June 12th and get $500 just for getting started. Go to https://www.spendhound.com/cjBrex is an intelligent finance platform with AI-powered agents that capture expenses automatically, enforce policy before the spend happens, and close your books in minutes instead of weeks. 35,000+ companies like OpenAI, Coinbase, Anthropic, and DoorDash already run on Brex. It's time to get Brex AF. Learn more at https://www.brex.com/metricsAleph is a modern FP&A platform built for teams that want more than another planning tool. By connecting your ERP, CRM, and other systems into one trusted data layer with AI workflows, Aleph helps you move faster with real-time insights. Get a personalized demo at https://www.getaleph.com/runRightRev is an automated revenue recognition platform that lets your product team ship new pricing without asking finance for permission, and your sales team close deals without creating downstream chaos. Check out their free tool at calculator.rightrev.com It scores your rev rec process, shows what's exposing you to risk, and tells you exactly where to focus before it bites you in the rear end. Check it out at https://calculator.rightrev.comRillet is an AI-native ERP built for modern finance teams that want to replace NetSuite and close faster. With revenue recognition, close management, multi-entity support, and native Stripe and Salesforce integrations, Rillet helps scaling companies run their finance stack in one place. Hundreds of teams, including Windsurf and Mercor, use Rillet to make the zero-day close real. Book a demo at https://www.rillet.com/cjEY has been part of Silicon Valley since it was just a valley, helping the most successful names in tech go from startup to exit to megacap. With teams across strategy, tax, audit, and transactions, EY helps you get your financials right early, long before your investors start asking for it. You build the next big thing, and EY will help you build it right. Learn more at https://www.ey.com/techstartups—LINKS: Mostly Talent: https://mostlymetrics.typeform.com/to/cLTxtAsNCJ: https://www.linkedin.com/in/cj-gustafson-13140948/Mostly metrics: https://www.mostlymetrics.comSlacker Stuff: https://www.slackerstuff.com/Ben on LinkedIn: https://www.linkedin.com/in/slackerstuff/—RELATED EPISODES:A CFO Explains Secondarieshttps://youtu.be/pENvBuXhGukA CFO Explains the Diamond Industryhttps://youtu.be/fPrho7hvykAA CFO Explains Marketplaceshttps://youtu.be/LpbH9GpBrSY—TIMESTAMPS:0:00 The First IPO, and Why It Changed Everything2:50 Coffee, Buttonwood Trees, and the First Insider Trading Scandal6:31 The Railroads Built Your Month-End Close10:17 Sponsors — SpendHound | Brex | Aleph13:47 Buying Stocks on Credit, and How That Ended18:13 Merrill Lynch Goes to the Suburbs, and the Paper Almost Wins21:44 Sponsors — RightRev | Rillet | EY24:47 NASDAQ, Pets.com, and the Most Expensive Sock Puppet in History28:49 The Phone in Your Pocket Democratized Everything, For Better or Worse33:03 The Stock Market Was Never Really About Stocks36:47 Credits#RunTheNumbersPodcast #FinanceHistory #StockMarket #Investing #FinanceLeadership
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    37 mins
  • Zapier's CFO on Closing the Books in 5 Days, AI Hiring Bars, and M&A Discipline

    Zapier's CFO on Closing the Books in 5 Days, AI Hiring Bars, and M&A Discipline
    Jun 1 2026
    In this episode of Run the Numbers, CJ sits down with Ryan Roccon, CFO of Zapier, to cover AI hiring standards, automating month-end close, measuring ROI on AI spend, and why determinism still beats agents most of the time.—SPONSORS:EY has been part of Silicon Valley since it was just a valley, helping the most successful names in tech go from startup to exit to megacap. With teams across strategy, tax, audit, and transactions, EY helps you get your financials right early, long before your investors start asking for it. You build the next big thing, and EY will help you build it right. Learn more at https://www.ey.com/techstartupsSpendHound cuts your SaaS and AI spend by up to 30% using real pricing benchmarks across 10,000 vendors, so you always know what fair pricing looks like before your next renewal. Rated #1 on G2 in SaaS spend management, it's free forever for teams up to 1,000 employees. Sign up by June 12th and get $500 just for getting started. Go to https://www.spendhound.com/cjBrex is an intelligent finance platform with AI-powered agents that capture expenses automatically, enforce policy before the spend happens, and close your books in minutes instead of weeks. 35,000+ companies like OpenAI, Coinbase, Anthropic, and DoorDash already run on Brex. It's time to get Brex AF. Learn more at https://www.brex.com/metricsAleph is a modern FP&A platform built for teams that want more than another planning tool. By connecting your ERP, CRM, and other systems into one trusted data layer with AI workflows, Aleph helps you move faster with real-time insights. Get a personalized demo at https://www.getaleph.com/runRightRev is an automated revenue recognition platform that lets your product team ship new pricing without asking finance for permission, and your sales team close deals without creating downstream chaos. Check out their free tool at calculator.rightrev.com It scores your rev rec process, shows what's exposing you to risk, and tells you exactly where to focus before it bites you in the rear end. Check it out at https://calculator.rightrev.comRillet is an AI-native ERP built for modern finance teams that want to replace NetSuite and close faster. With revenue recognition, close management, multi-entity support, and native Stripe and Salesforce integrations, Rillet helps scaling companies run their finance stack in one place. Hundreds of teams, including Windsurf and Mercor, use Rillet to make the zero-day close real. Book a demo at https://www.rillet.com/cj—LINKS: Mostly Talent: https://mostlymetrics.typeform.com/to/cLTxtAsNGuest: https://www.linkedin.com/in/ryanroccon/Company: https://zapier.com/CJ: https://www.linkedin.com/in/cj-gustafson-13140948/Mostly metrics: https://www.mostlymetrics.com—RELATED EPISODES:Ryan’s First Appearancehttps://youtu.be/VIZ_RzfV78IChris Byington, Head of Data @ Superhumanhttps://youtu.be/ydH38JnWfww—TIMESTAMPS:0:00 Preview and intro2:11 Ryan's scope at Zapier3:17 Why the finance guy runs ecosystems6:19 AI is a required hire competency6:46 The four levels: unacceptable to transformative8:48 How Zapier tests for it11:50 Favorite interview question13:06 Sponsors — EY | SpendHound | Brex16:18 AI changes the hiring profile17:07 Support becomes customer-facing engineering18:44 Where AI beats deterministic Zaps21:00 80-90% of builds are deterministic22:41 Sponsors — Aleph | RightRev | Rillet26:00 Month end close on Zaps27:40 Time saved is a leading indicator29:53 AI token costs: COGS or investment?31:51 Performance issue or measurement issue?33:41 Partner ARR: chasing the wrong thing35:56 Build around what changes the decision37:17 The initiative sizing coach40:00 Escalate on magnitude, not certainty41:55 The 9,000 integration story44:02 M&A process and minimum model46:19 Cash vs. stock: incentive alignment48:06 CFO's role in M&A: show up early49:18 Credits
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    50 mins
  • Navan CFO Aurélien Nolf on Resource Allocation, IR, and AI in Finance

    Navan CFO Aurélien Nolf on Resource Allocation, IR, and AI in Finance
    May 28 2026
    In this episode of Run the Numbers, CJ sits down with Aurélien Nolf, CFO of Navan, to unpack how to pre-align before budgeting, how to think about portfolio construction inside a company, when to fund or kill internal bets, how IR is becoming more connected to FP&A, and where AI actually works inside finance teams.—SPONSORS:Rillet is an AI-native ERP built for modern finance teams that want to replace NetSuite and close faster. With revenue recognition, close management, multi-entity support, and native Stripe and Salesforce integrations, Rillet helps scaling companies run their finance stack in one place. Hundreds of teams, including Windsurf and Mercor, use Rillet to make the zero-day close real. Book a demo at https://www.rillet.com/cjEY works with high-growth tech companies to navigate the messy realities of scaling—from regulatory requirements to IPO readiness. By helping teams get it right early and often, EY lets founders stay focused on building while reducing risk as they grow. Learn more at https://www.ey.com/techstartupsSpendHound is a SaaS spend management platform built for finance and procurement teams that want visibility and leverage in every deal. By tracking all your software, benchmarking pricing across thousands of vendors, and surfacing contracts and renewals, SpendHound helps you stop overpaying and negotiate with confidence. Trusted by teams at ZoomInfo and Hootsuite. Get started at https://www.spendhound.com/cjBrex is an intelligent finance platform that combines corporate cards, built-in expense management, and AI agents to eliminate manual finance work. By automating expense reviews and reconciliations, Brex gives CFOs more time for the high-impact work that drives growth. Join 35,000+ companies like Anthropic, Coinbase, and DoorDash at https://www.brex.com/metricsAleph is a modern FP&A platform built for teams that want more than another planning tool. By connecting your ERP, CRM, and other systems into one trusted data layer with AI workflows, Aleph helps you move faster with real-time insights. Get a personalized demo at https://www.getaleph.com/runRightRev is an automated revenue recognition platform built for teams that have outgrown spreadsheets and billing tool workarounds. It handles high-volume subscriptions, usage-based contracts, and mid-cycle upgrades, so you can scale without scrambling at month-end. For RevRec that keeps your books clean, visit https://www.rightrev.com/CJ—LINKS: Mostly Talent: https://mostlymetrics.typeform.com/to/cLTxtAsNGuest: https://www.linkedin.com/in/aureliennolf5b716412/Company: https://navan.com/CJ: https://www.linkedin.com/in/cj-gustafson-13140948/Mostly metrics: https://www.mostlymetrics.com—TIMESTAMPS:0:00 Preview and intro1:21 Welcome and guest intro3:06 100-mile ultramarathon at Lake Tahoe4:47 Resource allocation lessons from EA6:41 Bucketing bets: proven, intuition, moonshots7:43 Pre-alignment before budgeting9:58 The 70/20/10 framework10:35 Sponsors — Rillet | EY | SpendHound13:51 The common trap: chasing everything16:16 Lyft: $1B burning to $1B profitable18:11 Killing projects without crushing morale19:24 TAM as the planning foundation20:57 Navan's TAM: managed vs. unmanaged22:15 Sponsors — Brex | Aleph | RightRev25:48 Why go after the unmanaged segment28:24 Not all TAM dollars are equal29:26 How IR is evolving30:45 Why FP&A and IR belong together31:54 Metrics: disclose vs. guide34:04 Use internal metrics externally35:12 Communicating bad news to the market39:22 Earnings prep: the black book40:04 AI in finance: can't vibe code compliance41:31 Ava handles 55% of interactions43:08 AI ROI: same framework as anything else44:02 Why finance hasn't had its AI moment44:46 Lightning round44:56 Screwed up: wrong investor meeting45:23 Sunday planning ritual46:42 Advice to younger self47:29 Finance software stack48:34 Craziest expense: curtains at the hotel laundry49:17 Credits
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    50 mins
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