Cyrus Yari

cyrusyari.com

I read Timeless books and talk about them on the Rational Founder podcast. I then write about what I learn right here — Timeless ideas you can apply to life and business, for the curious-minded seeking Worldly Wisdom.
November 27, 2025

Rational Founder — the next chapter

Soon, I’ll be relaunching the Rational VC Podcast under a new name: Rational Founder. Scroll down to enter your email and get updates. I’ve written new essays that will launch alongside the new podcast, and each episode will be accompanied by a summary. This newsletter now officially serves as the Rational Founder newsletter. The core ...
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November 27, 2025

The Black Swan - My Personal Story

From the archives: originally published in Apr 2024 on rationalvc, with 50k+ reads -- Last week, Professor Nassim Taleb tweeted about the latest Rational VC podcast episode discussing The Black Swan. Naval Ravikant liked it, and several best-selling authors, folks with huge audiences all shared it around, which we’re super grateful for...
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August 28, 2025

Becoming A Micro Angel Investor

From the archives: originally published in Nov 2021 on rationalvc, with 100k+ reads -- How to start your VC journey by investing as little as $1k in startups and why founders are taking more of these cheques (Rational VC began investing $1K per startup, and now we lead $500K syndicates) Inspired by the maestro Nassim Taleb: Skin in the...
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August 28, 2025

Financial Minimalism In Life, Investing, And Startups

From the archives: originally published in Feb 2021 on rationalvc, with 100k+ reads -- Capital Allocation from First Principles Part 1: My journey to minimalism Part 2: Minimalism in life and work Part 3: Capital allocation for startup founders Part 1: My journey to minimalism I left Iran and arrived in the UK aged five. Growing up as ...
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August 28, 2025

HEY World

Is this thing on?
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