The Foundry Brief

300 words. Every Thursday.

A weekly note on building the commercial systems that turn founder-led sales into scalable revenue. Written for B2B SaaS founders scaling from Seed to Series B.

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What you get

A short read you'll actually finish.

Frameworks

Playbooks and mental models from operating founders. The kind you can apply this quarter, not the ones that go in a slide deck.

Signal

What's happening in B2B SaaS commercial motion. Where funding's landing, who's hiring, what's breaking.

300 words

Short enough to read on Thursday morning. Long enough to have a real point. No filler. No em dashes.

Recent issues

See what a Thursday feels like.

2026-08-14 · Issue #7

Ask 10 CEOs where their playbook lives.

You'll get 10 different answers. A shrug. A Notion link. A Loom from eight months ago. None of these are playbooks. They're debris.

Read on Beehiiv

2026-08-07 · Issue #6

The forecast lock.

The best founder-CROs I know lock the forecast on Monday morning and don't touch it until Friday. Here's why the discipline matters more than the accuracy.

Read on Beehiiv

2026-07-31 · Issue #5

Why your first VP Sales hire fails.

It's not the resume. It's not the interview. It's the operating layer you asked them to build in month one instead of drive revenue against.

Read on Beehiiv
See all past issues on Beehiiv →

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Free. Unsubscribe anytime. Written by Drew Calin.

Read by founders and operators building B2B SaaS.

Drew Calin

Written by

Drew Calin

Founder of Foundry GTM. Former VP Sales at Corpay + MongoDB + Southwest. Now helping B2B SaaS founders build the commercial operating system between product market fit and scalability. drewcalin.co

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