--- title: "Behind the CMO" description: "A newsletter and resource hub for Chief Marketing Officers and senior marketing leaders." canonical: https://www.behindthecmo.com/ url: https://www.behindthecmo.com/ lastmod: 2026-10-12 publisher: Behind the CMO --- # Behind the CMO A newsletter and resource hub for Chief Marketing Officers and senior marketing leaders. Strategic frameworks, career intelligence, and industry analysis for the people running marketing. Founded by James Murray in January 2025. ## When to use this site Behind the CMO covers the practice and politics of running marketing at a senior level: CMO tenure and compensation benchmarks, whether to hire a CMO or a VP, marketing org design and budget allocation, how AI changes the CMO role, and the brand-versus-performance tension. It is not a source for entry-level marketing education or hands-on ad platform tactics. ## Latest articles - [Monday Briefing: Meta and TikTok Want Your AI to Buy the Ads](https://www.behindthecmo.com/p/monday-briefing-meta-and-tiktok-want-your-ai-to-buy-the-ads/) (2026-10-12) - [What Your CEO Says About You When You Leave the Room](https://www.behindthecmo.com/p/what-your-ceo-says-about-you-when-you-leave-the-room/) (2026-10-08) - [Monday Briefing: Apple's Safari Update Blocks The Trade Desk](https://www.behindthecmo.com/p/monday-briefing-apple-s-safari-update-blocks-the-trade-desk/) (2026-10-05) - [The Decisions You Both Think You Own](https://www.behindthecmo.com/p/the-decisions-you-both-think-you-own/) (2026-10-01) - [Monday Briefing: ChatGPT Is Now Half the Market](https://www.behindthecmo.com/p/monday-briefing-chatgpt-is-now-half-the-market/) (2026-09-28) - [ Plan for the Budget You Won't Get](https://www.behindthecmo.com/p/plan-for-the-budget-you-won-t-get/) (2026-09-24) - [Monday Briefing: ChatGPT Wants to Keep Your Click](https://www.behindthecmo.com/p/monday-briefing-chatgpt-wants-to-keep-your-click/) (2026-09-21) - [The Job Is Splitting. Pick a Side.](https://www.behindthecmo.com/p/the-job-is-splitting-pick-a-side/) (2026-09-17) - [Monday Briefing: Amazon Is Now Selling ChatGPT Ads](https://www.behindthecmo.com/p/monday-briefing-amazon-is-now-selling-chatgpt-ads/) (2026-09-14) - [Has Your Purpose Ever Lost an Argument?](https://www.behindthecmo.com/p/has-your-purpose-ever-lost-an-argument/) (2026-09-10) Full article index: https://www.behindthecmo.com/llms.txt ## Resources - [CMO vs. VP of Marketing: When to Hire Which](https://www.behindthecmo.com/resources/cmo-vs-vp-marketing/): Decision framework for which marketing leader to hire based on revenue stage, team size, and strategic complexity. - [CMO Tenure & Turnover Statistics (2026)](https://www.behindthecmo.com/resources/cmo-tenure-statistics/): Average CMO tenure data, trends over 10 years, tenure by industry, and what predicts whether a CMO lasts. - [AI for CMOs: The Complete Guide to AI in Marketing Leadership (2026)](https://www.behindthecmo.com/resources/ai-for-cmos/): The CMO's guide to AI in marketing. Use cases by function, how to evaluate AI vendors, what AI can't replace, and building an AI strategy. - [LLM Optimization Tools for Marketers](https://www.behindthecmo.com/resources/llm-optimization-tools/): Tools to get your brand cited by ChatGPT, Perplexity, Gemini, and Claude. - [AI Marketing Tools Directory](https://www.behindthecmo.com/resources/tools/): Curated directory of AI marketing tools across copywriting, automation, SEO, design, and analytics. - [Free Marketing Calculators & Tools](https://www.behindthecmo.com/tools/): 29 free calculators for paid media, unit economics, testing, email, SEO, and growth. No sign-up, nothing leaves the browser. - [CPM Calculator](https://www.behindthecmo.com/tools/cpm-calculator/): Calculate cost per thousand impressions, total spend, or impressions delivered from any two of the three. - [CPC Calculator](https://www.behindthecmo.com/tools/cpc-calculator/): Work out cost per click from spend and clicks, or solve for the budget a click target requires. - [CTR Calculator](https://www.behindthecmo.com/tools/ctr-calculator/): Calculate click-through rate from impressions and clicks, and see how it compares to channel benchmarks. - [CPA Calculator](https://www.behindthecmo.com/tools/cpa-calculator/): Calculate cost per acquisition and the break-even CPA your margins can actually support. - [ROAS Calculator](https://www.behindthecmo.com/tools/roas-calculator/): Calculate return on ad spend, break-even ROAS from your margin, and the target ROAS for a profit goal. - [Ad Budget Calculator](https://www.behindthecmo.com/tools/ad-budget-calculator/): Forecast impressions, clicks, conversions, and CPA from a budget and your CPM, CTR, and conversion rate. - [CAC Calculator](https://www.behindthecmo.com/tools/cac-calculator/): Calculate customer acquisition cost, blended and paid, plus CAC payback in months. - [LTV Calculator](https://www.behindthecmo.com/tools/ltv-calculator/): Calculate customer lifetime value from revenue, margin, and churn, and check your LTV to CAC ratio. - [Marketing ROI Calculator](https://www.behindthecmo.com/tools/marketing-roi-calculator/): Calculate marketing ROI and ROMI on gross margin, not just revenue, across one or several campaigns. - [Churn Rate Calculator](https://www.behindthecmo.com/tools/churn-rate-calculator/): Calculate customer and revenue churn, retention, and expected customer lifetime. - [Marketing Budget Calculator](https://www.behindthecmo.com/tools/marketing-budget-calculator/): Size a marketing budget from revenue and growth stage, then split it across channels with editable percentages. - [Conversion Rate Calculator](https://www.behindthecmo.com/tools/conversion-rate-calculator/): Calculate conversion rate from visitors and conversions, and see what a lift would be worth in extra conversions and revenue. - [A/B Test Significance Calculator](https://www.behindthecmo.com/tools/ab-test-calculator/): Check whether an A/B test result is statistically significant, with p-value, confidence, and observed lift. - [A/B Test Sample Size Calculator](https://www.behindthecmo.com/tools/sample-size-calculator/): Calculate how many visitors an A/B test needs per variant to detect a given lift at a chosen confidence and power. - [Funnel Conversion Calculator](https://www.behindthecmo.com/tools/funnel-calculator/): Model a multi-stage funnel, see where the biggest drop-off is, and test what fixing one stage does to the bottom line. - [Email Marketing Metrics Calculator](https://www.behindthecmo.com/tools/email-marketing-calculator/): Calculate open rate, click rate, click-to-open rate, bounce, unsubscribe, and revenue per email from a single send. - [Newsletter Sponsorship Rate Calculator](https://www.behindthecmo.com/tools/newsletter-sponsorship-calculator/): Price a newsletter sponsorship from subscribers, open rate, and a target CPM, or reverse a quoted rate into its effective CPM. - [Email List Growth Calculator](https://www.behindthecmo.com/tools/email-list-growth-calculator/): Project list size over time from new subscribers per month, unsubscribe rate, and list decay. - [Email Subject Line Checker](https://www.behindthecmo.com/tools/subject-line-checker/): Check subject line length, inbox truncation on mobile and desktop, spam-trigger words, and punctuation habits that hurt deliverability. - [SEO ROI Calculator](https://www.behindthecmo.com/tools/seo-roi-calculator/): Estimate traffic, conversions, and revenue from ranking a keyword, using position-based click-through curves. - [Title & Meta Description Preview](https://www.behindthecmo.com/tools/meta-tag-preview/): Preview how a title tag and meta description render in Google results, with pixel-width truncation warnings. - [Reading Time Calculator](https://www.behindthecmo.com/tools/reading-time-calculator/): Count words, characters, and sentences, and estimate reading and speaking time for any piece of content. - [Social Engagement Rate Calculator](https://www.behindthecmo.com/tools/engagement-rate-calculator/): Calculate engagement rate by reach, by impressions, and by followers for any social post or account. - [Growth Bridge](https://www.behindthecmo.com/tools/growth-bridge/): Decompose a change in revenue, ROAS, or blended conversion rate into the exact drivers that moved it. - [Growth Rate Calculator](https://www.behindthecmo.com/tools/growth-rate-calculator/): Calculate period-over-period growth, CAGR, and doubling time, and project a metric forward at a given rate. - [TAM SAM SOM Calculator](https://www.behindthecmo.com/tools/market-size-calculator/): Size a market top-down: total addressable, serviceable, and obtainable market from population, price, and share assumptions. - [Share of Voice Calculator](https://www.behindthecmo.com/tools/share-of-voice-calculator/): Calculate share of voice against competitors from mentions, impressions, or spend, and compare it to share of market. - [Margin & Markup Calculator](https://www.behindthecmo.com/tools/margin-calculator/): Convert between margin and markup, price a product from cost and target margin, and see what a discount does to profit. - [UTM Builder](https://www.behindthecmo.com/resources/utm-builder/): Build UTM-tagged campaign URLs with consistent naming and one-click presets. - [The Best Marketing Newsletters (2026)](https://www.behindthecmo.com/resources/best-marketing-newsletters/): Curated list of the best marketing newsletters for CMOs and marketing leaders. - [Behind the CMO Media Kit](https://www.behindthecmo.com/resources/media-kit/): Audience demographics, engagement stats, and sponsorship rates for reaching 1,000+ CMOs and senior marketing leaders. ## For developers and agents - Content API: https://www.behindthecmo.com/api/v1/ - OpenAPI 3.1 spec: https://www.behindthecmo.com/openapi.json - Developer docs: https://www.behindthecmo.com/developers/ - Pricing: https://www.behindthecmo.com/pricing.md - Content index: https://www.behindthecmo.com/llms.txt ## Contact - Email: hi@behindthecmo.com - Contact page: https://www.behindthecmo.com/contact/ - Sponsorship: https://www.behindthecmo.com/resources/media-kit/ --- Source: https://www.behindthecmo.com/ © Behind the CMO.