Floris Wolswijk / Personal field notes

Build useful things.
Do more good.

I’m Floris, an entrepreneur working on psychedelic research, policy, and access. This is where businesses, books, and personal experiments meet a bigger question: how to do more good.

Entrepreneur · Effective altruist · Perpetual student

From the field01 / Doing good
An essay to begin with

Why Donating a Kidney
is a Good Idea

My experience of screening, surgery, and recovery, and why I chose to donate.

Read the story January 2023 · Personal account
01

Think

Essays on work, choices, and doing good.

02

Read

Book reviews and ideas to carry forward.

03

Build

Companies, experiments, and side quests.

04

Practice

Public commitments and honest reflections.

Ideas into the world

Where the work happens.

Psychedelic research, coaching, and nutrition are recurring threads in my work.

The project map ↗
Ideas worth returning to

Selected writing.

Find a reading path ↗
Book review

The Half-Life of Facts

Knowledge changes, and beliefs need to change with it. Samuel Arbesman explores discovery and scientific error in a useful framework for updating what we know, though some complex ideas deserve more nuance.

Read on ↗
Public goals

Public Commitment 2026 – Update 1

Theme: Metamorphosis It’s been a bit longer than expected. At the end of the first quarter, I was busy, and some of the big items on the list weren’t done, so I decided to continue without an update.

Read on ↗
Side project / Interactive atlas

A universe to get lost in.

The Bobiverse atlas connects the characters, systems, timelines, and technology of Dennis E. Taylor’s novels.

Contains spoilers. Choose your book boundary in the atlas.

Explore the atlas ↗
Game of Life

Patterns linger, wander, repeat. Some settle quickly; others, like the f/r-pentomino (the logo), roam for ages before they rest.

An open line

Have a good question?

Send a note about an idea, a project, or something I should read.