2023-11-29
2132
#product strategy#project management
David Theil
182197
102
Nov 29, 2023 ⋅ 7 min read

Understanding the waterfall methodology

David Theil Agile Coach and Product Leader with 10+ years experience in different roles — Head of Software, Scrum Master, Product Owner, and Dev. I help teams escape the Feature Factory and start agile product development.

Recent posts:

A Guide To Balance Strong Leadership With Collaborative Spirit

A guide to balancing strong leadership with a collaborative spirit

Learn how to balance confidence and collaboration as a product leader while building trust, authenticity, and high-performing teams.

Kimberly Shyu
Oct 21, 2025 ⋅ 6 min read

Why PMs need to master qualitative tests now more than ever

Data shows you what users do, not why. Learn how blending qualitative and quantitative insights fuels real product innovation.

Else van der Berg
Oct 16, 2025 ⋅ 4 min read

Tools and tactics for staying organized as a product manager

Feeling overwhelmed by endless PM tasks? Learn simple, proven strategies to stay organized, focused, and in control of your workload.

Sara Nguyen
Oct 15, 2025 ⋅ 4 min read
The Real Cost Of Overpromising On AI And What To Do Instead

The real cost of overpromising on AI and what to do instead

Avoid the AI hype trap. Learn how PMs can balance ambition and honesty to build trust, avoid overpromising, and deliver real value.

Bartosz Jaworski
Oct 14, 2025 ⋅ 6 min read
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