Ryan Singer: Why appetite beats estimates in Shape Up's plan

ℹ️ EPISODE INFO

Released

March 30, 2025

Duration

1h 45m

Channel

Lenny's Podcast

Watch on YouTube

▶ Open ↗

📝 EPISODE DESCRIPTION

Ryan Singer is one of the earliest employees and the former Head of Strategy at 37signals (the makers of Basecamp), where he spent nearly two decades refining a product development approach that helped the company build super-successful products with small teams. Based on these lessons, he wrote "Shape Up: Stop Running in Circles and Ship Work that Matters," and Ryan now works with companies of all sizes to help them escape the cycle of endless sprints, missed deadlines, and dragging projects. What you’ll learn:

1. Why traditional Agile and Scrum methods often lead teams into endless cycles of work without meaningful shipping milestones.
2. The “appetite-driven” approach to product development where teams set fixed timeboxes (usually six weeks maximum) and vary the scope instead of expanding timelines.
3. The exact process for running effective “shaping” sessions that collaboratively define projects before committing resources.
4. Why most teams struggle with too little detail in their planning, not too much.
5. Why a 30-to-50-person team size is the critical breaking point when growing startups need to adopt more structured processes.
6. Practical techniques for bridging the engineering-design divide by bringing technical and product perspectives together earlier in the process.
7. The powerful “breadboarding” and “fat marker sketching” techniques that help teams align on solutions without getting lost in high-fidelity details.
8. The clear warning signs that your current development process is failing before it’s too late to change course.
9. Proven strategies to implement Shape Up methods, whether you’re working in a startup or enterprise environment.
10. A step-by-step approach to transitioning from Scrum to Shape Up by piloting the methodology with a single team before broader implementation.
11. Why the PM role shifts upstream in Shape Up, focusing more on problem definition than project management.
12. How to adapt Shape Up principles to your company’s unique context, even if it’s nothing like Basecamp.

— Brought to you by:

• WorkOS—Modern identity platform for B2B SaaS, free up to 1 million MAUs: https://workos.com/lenny
• Merge—A single API to add hundreds of integrations into your app: http://merge.dev/lenny
• Airtable ProductCentral—Launch to new heights with a unified system for product development: https://www.airtable.com/lenny

Find the transcript at: https://www.lennysnewsletter.com/p/shape-up-ryan-singer Where to find Ryan Singer:

• X: https://x.com/rjs
• LinkedIn: https://www.linkedin.com/in/feltpresence/
• Website: https://www.ryansinger.co/
• Course: https://www.ryansinger.co/srl/

Where to find Lenny:

• Newsletter: https://www.lennysnewsletter.com
• X: https://twitter.com/lennysan
• LinkedIn: https://www.linkedin.com/in/lennyrachitsky/

In this episode, we cover: (00:00) Ryan’s background (04:38) The origins of Shape Up (07:40) Implementing Shape Up in different companies (09:56) How Shape Up is different (19:02) The core elements of Shape Up (26:29) Shaping sessions and timeboxing (37:23) Flexible sprint planning (38:56) The output of a shaping session (46:57) Balancing detail and flexibility (53:50) A deep dive into shaping sessions (01:01:32) Fat marker sketches (01:02:48) Getting started using Shape Up (01:13:20) Signs it's time to try the Shape Up method (01:18:25) Feature factories (01:25:59) The role of the PM in Shape Up (01:28:26) What makes Basecamp unique (01:35:55) The second edition of the book (01:38:30) Linking product strategy and shaping (01:41:53) Conclusion and final thoughts Referenced:

• Basecamp: https://basecamp.com/
• David Heinemeier Hansson on LinkedIn: https://www.linkedin.com/in/david-heinemeier-hansson-374b18221/
• Jason Fried on LinkedIn: https://www.linkedin.com/in/jason-fried/
• Jason Fried challenges your thinking on fundraising, goals, growth, and more: https://www.lennysnewsletter.com/p/jason-fried-challenges-your-thinking
• Des Traynor on LinkedIn: https://www.linkedin.com/in/destraynor/
• Intercom: https://www.intercom.com/

...References continued at: https://www.lennysnewsletter.com/p/shape-up-ryan-singer Recommended books:

• Shape Up: Stop Running in Circles and Ship Work That Matters: https://basecamp.com/shapeup
• Demand-Side Sales 101: Stop Selling and Help Your Customers Make Progress: https://www.amazon.com/Demand-Side-Sales-101-Customers-Progress/dp/1544509987/
• Competing Against Luck: The Story of Innovation and Customer Choice: https://www.amazon.com/Competing-Against-Luck-Innovation-Customer/dp/0062435612/
• Job Moves: 9 Steps for Making Progress in Your Career: https://www.amazon.com/Job-Moves-Making-Progress-Career/dp/0063283581

Production and marketing by https://penname.co/. For inquiries about sponsoring the podcast, email podcast@lennyrachitsky.com. Lenny may be an investor in the companies discussed.

🎤 SPEAKERS

• Ryan Singer

  guest

• Lenny Rachitsky

  host

• Narrator

  other

🧾 EPISODE SUMMARY

In this episode of Lenny's Podcast, featuring Ryan Singer and Lenny Rachitsky, Ryan Singer: Why appetite beats estimates in Shape Up's plan explores ryan Singer explains Shape Up: timeboxed, collaborative, reality-based product delivery Ryan Singer, longtime product leader at 37signals/Basecamp and author of Shape Up, breaks down a practical alternative to Scrum and traditional Agile for planning and shipping software. The core of Shape Up is working backward from a fixed time budget (“appetite”), deeply shaping solutions with product, design, and engineering in the room, and then giving small teams end-to-end ownership to build without constant rituals. Singer contrasts Basecamp’s unique environment with most companies, emphasizing how to adapt Shape Up to “real life” constraints like non-coding designers, entrenched Scrum, and multiple stakeholders. The conversation spends significant time on how to run effective shaping sessions, when to consider Shape Up, common failure modes, and how this shifts the PM role upstream toward problem definition and product strategy.

🔗 RELATED EPISODES

How to build a company that withstands any era | Eric Ries, Lean Startup author

Head of Claude Code: What happens after coding is solved | Boris Cherny

Building product at Stripe: craft, metrics, and customer obsession | Jeff Weinstein (Product lead)

Building a world-class data org | Jessica Lachs (VP of Analytics and Data Science at DoorDash)

What most people miss about marketing | Rory Sutherland (Vice Chairman of Ogilvy UK, author)

5 essential questions to craft a winning strategy | Roger Martin (author, advisor, speaker)