20Growth: The Death of Growth Teams? | How Hubspot Use AI to Triple Email Conversion | The Future of AI SEO | Why Prompt Engineering is the New Coding | What Every CMO Needs to Know About AI in 2025

Kieran Flanagan is the CMO at HubSpot, where he's led the transformation of their growth strategy from SEO-led to multi-channel and AI-powered. Formerly SVP of Marketing, he helped scale HubSpot's user base to millions and revenue past $2B. Before HubSpot, he drove breakout growth at Marketo and Salesforce. Kieran is one of the most respected voices in SaaS marketing and a pioneer in growth-driven content strategy. Agenda: 00:03 – The Death of Growth Teams? Kieran's Wild Prediction 06:44 – AI Innovation Pods: The New Org Structure for Startups 10:18 – Email Personalization That Tripled Conversions 13:21 – From Software Budget to Labor Budget: The Shift is Happening 16:35 – The Big Lie: Why Autonomous Agents Still Suck 19:24 – The Secret Sauce Behind HubSpot's Email AI Stack 21:44 – Segment-Based Marketing Is Dead. Enter Micro Audiences. 24:15 – Content Collapse: Why Google Organic Is Getting Torched 30:52 – The Future of AI SEO: 1 Product, 100 Pages, Infinite Prompts 33:16 – Memory = Moat: Why ChatGPT Is Becoming Unbeatable 35:46 – Prompt Engineering is the New Coding: Here's How to Win 41:03 – The Death of the Middle Manager Marketer 46:17 – OpenAI vs. Anthropic: Kieran's $400M Bet 48:00 – Europe Is Falling Behind: The Harsh Truth on Regulation 52:39 – CMO Playbook 2025: Micro-Audiences, Creator-Led, AI at Scale