Jeroen Coelen
Practical startup tips, based on the latest science and my insights from coaching 100+ startups.
Created 29 Jun 2021
  • 4 types of problem-solution fit
    03 Nov 2021 • 3 min read • 1 0
    Once your startup identified the right problem to solve (and ignored the wrong problems), it's time to find the right solution. Every innovation is problem-solution combination. If a solution solves a...
  • The science behind big picture procrastination
    20 Oct 2021 • 2 min read • 0 1
    Big picture stuff, such as a vision and strategy, is helpful for a company It helps with decision making It creates coherence within the team It helps to convey your end-game Here are three reasons wh...
  • Your mental health is your biggest asset, here’s how to invest in it
    13 Oct 2021 • 3 min read • 2 0
    It's easy to take your mental health for granted Founders’ mental health is a risk They are at risk for burnouts (study) The negative downward spiral of founders is a researched thing (study) You need...
  • Don't fix these 7 problems
    06 Oct 2021 • 2 min read
    If you want to generate value, solving a problem is a great strategy Early-stage startups struggle with defining the problem to solve Below are 7 common mistakes when defining your problem A problem w...
  • Pivot Puzzle: This platform went from 20.000 members to 30, on purpose - Part 2
    30 Sep 2021 • 4 min read
    Missed part 1? You can read it here. You might miss some context of the journey if you just read this article. Celebrations: I had a Go/No Go meeting for my PhD-project and I got a “GO”! 🤩 📝 Quick r...
  • Pivot Puzzle: This platform went from 20.000 members to 30, on purpose
    22 Sep 2021 • 6 min read
    Yay, new format experiment. I present you with a pivotal moment in a startup. I don’t answer right away. Can you figure out the ‘right’ answer for this Pivot Puzzle? (trademark pending). Reading time:...
  • There is more than product-market fit
    15 Sep 2021 • 2 min read • 1 0
    Excited with the start of my startup course this week. I generated this overview for my students, as some scaffolding to guide their process. Could be relevant for you, too. There is no clear path to ...
  • How I got my competition wrong
    08 Sep 2021 • 3 min read
    Shoutout to all new subscribers, welcome aboard! But also a shoutout to all of you that have been reading. Thanks! Today, I want to talk about competition. At some point in my startup (Just in Case, a...
  • Without magic, you can't reach PM-fit
    01 Sep 2021 • 2 min read
    Welcome to all the new subscribers, great to have you on board! Idea: a product-market fit jar. Every time someone mentions PM-fit out of place, money should go into the jar. PM-fit is an important mi...
  • Watch out for a false sense of progress
    27 Aug 2021 • 1 min read
    New experiment: A shorty. Reading time: ±2 minutes. When my team (Just in Case) was rushing towards my MVP launch, we had no eye for pushback. We were so focused on launching, we did not actively seek...
  • View More on Substack »