The Growth Stack Mafia newsletter by Austin Hay: latest issues, cadence and price
by Austin Hay · Substack · Paid · monthly · last issue Aug 8, 2026 · Paused
Growth systems, playbooks, and practical advice for technical operators, founders, and leaders.
Sat Aug 81 issue
Fri Jul 241 issue
Thu Jul 161 issue
Fri Jul 101 issue
Mon Jul 61 issue
Fri Apr 31 issue
Wed Mar 251 issue
Fri Mar 131 issue
Mon Mar 21 issue
Wed Feb 181 issue
Sat Feb 141 issue
Fri Jan 301 issue
Tue Jan 131 issue
Mon Jan 51 issue
Fri Dec 5, 20251 issue
Wed Nov 19, 20251 issue
Wed Nov 12, 20251 issue
Wed Nov 5, 20251 issue
Wed Oct 22, 20251 issue
Thu Oct 16, 20251 issue
20 issues on file since Oct 16, 2025; every one is in its own archive ↗.
About this newsletter
Photo
None found, so the logo or initials show. Photos come from Wikimedia Commons or official company pages, never LinkedIn or image search.
Free or paid
Paid on Substack. 100% of its latest 12 issues are for paying subscribers (from its public archive, checked weekly).
Issues per week, last 26 weeks
monthly, measured over the last six months (or since the feed's oldest issue)
Issues by month
Writes about
AI and agents (5) in the last six months.
More on ai and agents
History
Free or paid
Now paid only, was free to read.
Name
Renamed from “The Growth Stack Mafia 🥞⚔”.