BONUS #NoEstimates, Throughput, and the Superstition of Project Management With Felipe Engineer-Manriquez
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In this insightful bonus episode of the Scrum Master Toolbox Podcast, host Vasco Duarte engages in a deep conversation with Felipe Engineer-Manriquez, a construction and agile practitioner, exploring the transformative power of throughput over traditional estimation and project planning. The discussion centers on the harmful myths of project management—particularly the superstition around Gantt charts and linear predictive planning—arguing that reality, not plans, dictates outcomes. Felipe shares a powerful personal story of transforming a struggling individual by focusing on human well-being and simple agile practices, demonstrating that sustainable productivity emerges from honoring people first. Vasco recounts his pivotal shift from project management to the No Estimates philosophy after witnessing a team's predictable throughput contradict a rigid, unrealistic plan, leading to the realization that 'reality is a bitch' and that only through observing actual delivery rates can teams make informed decisions. The episode emphasizes that agile success isn't about complex tools or estimates, but about creating feedback loops, maintaining communication pathways, and understanding that processes have statistical properties—predictable over time, even if individual outcomes are random. The hosts challenge the industry's obsession with earned value management and Gantt charts, calling them outdated, misleading, and often used as tools of denial. Instead, they advocate for a learning-driven mindset grounded in real data, simple visualization, and trust in team capacity. The conversation culminates in practical advice: measure throughput from past sprints, validate patterns, and let data—not belief in plans—guide decisions. The episode ends with a strong call to action for the Global Agile Summit 2026, highlighting four new tracks including Agile in Construction and Agile in Gaming, reinforcing the message that agile principles are not just for software but for any complex, human-driven work.
Stop relying on estimates and Gantt charts—focus on actual throughput as the only reliable predictor of future performance.
Teams have a stable delivery rate; use historical data to forecast what’s possible, not what you wish for.
The human element is not a soft skill—it’s the core of team performance; prioritize psychological safety and context over process compliance.
Linear predictive planning is a superstition; reality will always contradict rigid plans, so trust data, not hope.
Use simple, visual planning (like post-its or a whiteboard) to create shared understanding and maintain alignment without over-engineering.
…and 3 more takeaways available in PodZeus
Global Agile Summit 2026 Announcement
Vasco introduces the upcoming Global Agile Summit on May 4th, highlighting the event's free, online format and four new tracks: AI in Organizations, People-Centered Agile, Agile in Construction, and Agile in Gaming. He encourages listeners to register via bit.ly/global-agile-26.
The Power of a Simple Win: Human-Centered Success
“The first thing I'm going to do for you is I'm just going to care for you. And I'm just going to listen to what's going on and I'm not going to solve your problem.”
The Birth of No Estimates: Reality vs. Planning
“Reality is a bitch. And I'm always saying that to anyone who believes that planning somehow has some magic powers of giving you what you want just because you're planning it.”
Throughput Over Estimation: The Science of Delivery
“The only reasonable thing for anyone to do is to never believe the plan or as in Scarface, never get high on your own supply.”
The Myth of Linear Predictive Planning
Vasco explains why linear predictive planning is incompatible with reality. He shares a story of a 12-month project that failed because 100 teams all claimed they’d deliver on time—until it was too late. The real predictor? Historical throughput.
“Reality is a bitch.”
“The first thing I'm going to do for you is I'm just going to care for you. And I'm just going to listen to what's going on and I'm not going to solve your problem.”
“The only reasonable thing for anyone to do is to never believe the plan or as in Scarface, never get high on your own supply.”
Host
Guest
Vasco Duarte
person
Scrum
other
Felipe Engineer-Manriquez
person
No Estimates
other
Gantt Charts
product
Global Agile Summit
other
Scrum Master Toolbox Podcast
media
Earned Value Management
other
PMI
organization
Nokia
organization
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