Timan Rebel

Timan Rebel has over 20 years of experience as a startup founder and helps both independent and corporate startups find product/market fit. He has coached over 250+ startups in the past 12 years and is an expert in Lean Innovation and experiment design.
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Articles by Timan Rebel

Lean Innovation
18 of the most used Lean Startup experiments (+examples)

Learn how to run successful lean startup experiments and get inspired by reading about the most used experiments used by startups.


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Staff Picks
Dig deeper to find the pain

In the first 5 blog posts about Analytics we covered Vanity Metrics, the Pirate Metrics framework, the criteria of a good metric, the key activity, the key metric and cohorts. The final problem we need to overcome is one we wrote about in almost all the previous blogposts: The danger of having metrics that make […]


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Innovation Ecosystem
Cohorts: because averages hide the pattern

When I first started using good metrics (I was no longer focussing on vanity metrics like total registered users) I had a hard time wrapping my head around Retention. What does it mean when you have 25% active users. Do they come back every day? Or every week? How do you measure that 25%? It […]


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Staff Picks
One metric to rule them all

If there is one thing important for startups, it is focus. The same applies to analytics. Startup life is chaotic enough and you can not have an overview of everything at the same time. To effectively apply analytics to your startup, it is important to focus on one metric at a time. We are basically […]


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Measuring Innovation Teams
AARRR — An analytics framework for startups

In the previous two posts we gave you an introduction to analytics, discussed vanity metrics and the criteria for good metrics. In this post we’d like to introduce the Pirate Metrics, an analytics framework created by Dave McClure of 500 startups. It’s called Pirate Metrics not just because Dave McClure seems to be a big […]


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Staff Picks
What makes a good metric?

Last time we did a short introduction on analytics. We explained that numbers that can only go up and to the right are called vanity metrics. Metrics that only exist make you feel good. For example, the total amount of signups since the beginning of your startup is a vanity metric. In this blogpost we […]


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Measuring Innovation Teams
An introduction to startup analytics

One of the most requested topics when mentoring startups are analytics. Startup founders know that they have to measure things and that analytics are the solution, but not a lot of people know how to actually apply it. The problem is that even after reading the books (like Lean Analytics, which I can highly recommend), it is still hard to apply to your own startup.


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