Oct 17, 2023 · 21m · top-founders
How to launch a Newsletter, get 7k Subs, first $5k Sponsor. SaaS Next?
gold bands on the timeline = statements, start to end. Hover to read, click to jump. CC turns on captions
Nathan Latka interviews CJ Gustafson, CFO at PartsTech and founder of Mostly Metrics, discussing how he built a top-tier finance newsletter with 35,000 subscribers and 7,000 verified CFOs. The conversation covers tactical audience acquisition, high-ticket enterprise sponsorship packaging, podcast network partnerships, and plans to launch a software company using content distribution.
How this conversation actually went
Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. Nathan holds 30% of the talking time here. How this is scored →
speaking balance: gold is Nathan, purple is the guest (3 minute bins)
CJ firmly pushes back on the pressure to monetize every single popular post, arguing that giving massive value away builds the true foundation for long-term monetization.
Hardest push from Nathan ▶ 10:45 Nathan refuses editorial vs sponsor dichotomyNathan directly challenges CJ's justification for leaving an interview unmonetized, stating that great content and paid sponsorships do not have to be mutually exclusive.
Biggest teaching moment ▶ 11:28 CJ details enterprise B2B buying behaviorCJ educates Nathan on why one-off newsletter ads underperform for enterprise software sales, explaining that CFOs require multi-touch campaigns over several months to convert.
Nathan holds their own ▶ 9:50 Nathan cites specific article with empty ad inventoryNathan demonstrates deep preparation by citing the exact date, title, and empty ad banner of an interview with Brex's Chief Strategy Officer to interrogate CJ's sponsor retention.
the scores for every segment, with the reasoning behind each
| Chapter | Topic | Nathan as informed peer | Guest teaching | Guest disagreement | Nathan pushing back | Why |
|---|---|---|---|---|---|---|
| Operating Background: From Private Equity to FP&A at Snyk | 5 | 2 | 1 | 1 | Nathan displays familiarity with Providence Equity Partners buyout structures and asks how CJ transitioned into operating roles at Veeam and Snyk. CJ cooperatively details his trajectory from consulting to leading sales ops and FP&A. | |
| Origins of Mostly Metrics and Run the Numbers Podcast | 4 | 3 | 1 | 2 | Nathan probes how CJ grew Mostly Metrics and launched the podcast. CJ shares his audience acquisition playbook, including keyword searching on Twitter and partnering with B2B tech platforms like Ramp. | |
| First Paid Sponsorships and Pricing Evolution | 6 | 2 | 2 | 5 | Nathan presses CJ for exact financial terms on his first Brex deal, forcing him past vague answers to confirm a rough figure of two thousand dollars per post across a twelve thousand dollar package. | |
| Structuring Holistic Sponsorship Packages Beyond Simple Backlinks | 7 | 3 | 2 | 7 | Nathan cites a specific article from July 2023 featuring Brex's Chief Strategy Officer that had an empty sponsor slot, challenging CJ's monetization consistency. When CJ claims he left it free to highlight a smart person, Nathan rejects the premise that high editorial quality and sponsorships are mutually exclusive. | |
| Creating Evergreen Content and Establishing Repeat Ad Campaigns | 7 | 5 | 3 | 6 | CJ educates Nathan on why single-post ads fail for enterprise CFOs who need multiple brand touches across months. Nathan counters CJ's philosophy of giving away free content by calling it an excuse used by creators who fail to monetize. | |
| Benefits of Partnering with the Turpentine Podcast Network | 6 | 4 | 2 | 5 | Nathan questions why CJ shares podcast revenue with Turpentine Network when he could sell sponsors directly. CJ justifies the partnership by pointing to Turpentine's production support, guest booking power, and network cross-promotion. | |
| Audience Breakdown: Engagement Rates and 7,000 CFO Subscribers | 6 | 3 | 1 | 3 | Nathan breaks down email metrics mathematically, computing open and click-through numbers before drilling into audience qualification. CJ explains how his custom enrichment tool confirms that sixty percent of his seven thousand CFO subscribers are in SaaS. | |
| The Famous Five Questions with CJ Gustafson | 4 | 1 | 0 | 0 | Nathan runs through his signature Famous Five rapid-fire questions covering favorite books, sleep, and tools, concluding with a recap of CJ's business metrics. |