Flow Academy by Castle & Rook

Castle & Rook is a lifecycle and retention marketing consultancy helping B2B and B2C brands turn email, SMS, and CRM into revenue engines.

We publish tutorials, strategy breakdowns, and expert insights on:
• Email marketing strategy and deliverability
• SMS and lifecycle marketing campaigns
• ESP deep-dives: Klaviyo, Braze, Iterable, and more
• AI tools and automation in marketing
• Retention and revenue optimization

Built for marketing managers, lifecycle marketers, freelancers, and agency owners who want to grow smarter — not just louder.

Learn more at castleandrook.com