Kai Oelfke


As you can see I am still working on this page.

Timeline for context:

About me:


I'm interested in pragmatic philosophy as a science of how to live a better life.

Currently, I practice stoicism, but it can change in the future. I recommend The Manual by Epictetus to get started. I use and recommend the stoic app.

I also like the school of life.

Intermittent Fasting

I'm fasting 18-22h daily since July 2019.

In my personal experience it improves my cognitive and physical performance, increases sleep quality and I appreciate food more.

My longest fast was 40h so far.

I use Zero for tracking my fasting.


I hated running in school and I was one of the slowest guys.

But I decided to give it another try with 27 years influenced by all runners I know.

It's now an important habit of mine. I love pushing my boundaries with runs. Recently, I did a 1/4 iron man distance with 45km of cycling, 10.5km running and 1km swimming. It's great to achieve something that felt impossible before.


I also like cycling. It's my preferred mode of transport in cities. My longest distance in one day so far is 90km. At some point in my life, I want to travel to another continent by bike.


I traveled to more than 60 countries. Traveling alone challenges you in various ways that can only result in personal growth. Every country gives you a new perspective on life.

My preferred way of travel is slow and local. Trustroots and Couchsurfing are great platforms to do that. Hosting travelers is amazing to experience the diversity of the world. I think the world would benefit if we would all host people from different cultures at least once a year.


I first learned that less is more when packing my bag for traveling.

Since then, I keep decluttering my apartment, devices and life. There's a hidden price for anything you add to your life. I am cautious and remove things that I don't use often enough.

Making and Entrepreneurship

Making is the main reason why I like technology and developing code. It allows to create new things that solve problems. Any kind of making is an art.

Being entrepreneurial to me isn't necessarily about making money, but the behavior of tackling problems as they come. This applies to more than just business.

Time and Money

Time is the most valuable resource I have. Therefore, I don't like to waste it. I remove things from my life that take too much time.

I follow the passive investment approach.


I want to learn every day. The compounding effect of small, but consistent progress is huge.

Questions? Thoughts?

Just contact me.