Investor bias loses money.
We catch it early.
We are inviting a selected group of investors to join before the public launch.
Click to get access.
How does it work?
We analyze 25+
behavioral bias
patterns
Rooted in cognitive science & investor psychology.
Reach Out to Us
Get a clean,
structured report
Clarity on bias presence, decision traps, and blind spots.
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FAQ
What is Reasonfield?
Reasonfield is a platform that helps investors make smarter decisions. It spots hidden biases in your reasoning — so you can improve returns by thinking more clearly.
Who is it for?
For investors who take decisions seriously. Angels, VCs, public market professionals. Anyone who writes memos, reflects on decisions, or wants an edge through better thinking.
What science is this based on?
Reasonfield is built on evidence from behavioral economics and decision science — including Nobel-winning work by Kahneman & Tversky and Richard Thaler. Also, from other behavioral economists, social psychologists and cognitive scientists.
What stage is the product in?
We’re currently testing Reasonfield with selected investors in a private beta. This early version lets us refine the tool before launch — based on real feedback.
Why join now?
Joining early means shaping a tool built for how you work. Early users influence the roadmap — and get early access to a new category of investor support tech.
What data do you analyze?
In beta, we focus on decision notes — not numbers. Upload memos or thought processes. Our system gives structured, bias-aware feedback to help sharpen your thinking.
Is my data safe?
Yes. All inputs are encrypted and treated with strict confidentiality. Nothing is used for training or analysis unless you opt in.
Who built Reasonfield?
Reasonfield was created by a team led by Mikołaj Muszyński — an LSE alumnus with a background in behavioral science and management. We've worked with investors and researchers to build something practical, not academic.
What is Reasonfield?
Reasonfield is a platform that helps investors make smarter decisions. It spots hidden biases in your reasoning — so you can improve returns by thinking more clearly.
Who is it for?
For investors who take decisions seriously. Angels, VCs, public market professionals. Anyone who writes memos, reflects on decisions, or wants an edge through better thinking.
What science is this based on?
Reasonfield is built on evidence from behavioral economics and decision science — including Nobel-winning work by Kahneman & Tversky and Richard Thaler. Also, from other behavioral economists, social psychologists and cognitive scientists.
What stage is the product in?
We’re currently testing Reasonfield with selected investors in a private beta. This early version lets us refine the tool before launch — based on real feedback.
Why join now?
Joining early means shaping a tool built for how you work. Early users influence the roadmap — and get early access to a new category of investor support tech.
What data do you analyze?
In beta, we focus on decision notes — not numbers. Upload memos or thought processes. Our system gives structured, bias-aware feedback to help sharpen your thinking.
Is my data safe?
Yes. All inputs are encrypted and treated with strict confidentiality. Nothing is used for training or analysis unless you opt in.
Who built Reasonfield?
Reasonfield was created by a team led by Mikołaj Muszyński — an LSE alumnus with a background in behavioral science and management. We've worked with investors and researchers to build something practical, not academic.
What is Reasonfield?
Reasonfield is a platform that helps investors make smarter decisions. It spots hidden biases in your reasoning — so you can improve returns by thinking more clearly.
Who is it for?
For investors who take decisions seriously. Angels, VCs, public market professionals. Anyone who writes memos, reflects on decisions, or wants an edge through better thinking.
What science is this based on?
Reasonfield is built on evidence from behavioral economics and decision science — including Nobel-winning work by Kahneman & Tversky and Richard Thaler. Also, from other behavioral economists, social psychologists and cognitive scientists.
What stage is the product in?
We’re currently testing Reasonfield with selected investors in a private beta. This early version lets us refine the tool before launch — based on real feedback.
Why join now?
Joining early means shaping a tool built for how you work. Early users influence the roadmap — and get early access to a new category of investor support tech.
What data do you analyze?
In beta, we focus on decision notes — not numbers. Upload memos or thought processes. Our system gives structured, bias-aware feedback to help sharpen your thinking.
Is my data safe?
Yes. All inputs are encrypted and treated with strict confidentiality. Nothing is used for training or analysis unless you opt in.
Who built Reasonfield?
Reasonfield was created by a team led by Mikołaj Muszyński — an LSE alumnus with a background in behavioral science and management. We've worked with investors and researchers to build something practical, not academic.