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Sasha’s Substack

Sasha

My personal Substack

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Substack
PricingOnly free issuesPublishesMonthly
Issues20Founded2 years agoLast Issue5 months ago
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Latest Issues

2025 in Review: Patterns From 50 Investments

In 2025, I maintained similar deal flow to last year, investing in about 5% of companies I met. The portfolio is showing early signs of power law dynamics: top 5 companies drive 79% of revenue, with 7 companies hitting $1m+ ARR. Key lessons...

5 months ago
15
6

Intuition in the Woods

FBI Special Agent Dale Cooper is standing in the woods outside Twin Peaks, giving the local sheriff’s department a lecture on Tibet. He’s set up a chalkboard among the Douglas firs. He writes a suspect’s name on the board, “Jacques Renault”...

6 months ago
3

San Francisco's Doom Loop Was Always a Myth

When I graduated college in 2012, San Francisco was barely a tech city. Tech made up only 10-15% of the city’s economy. I moved to SF in 2007 and worked my way through school as a busboy and security guard while the city went through hell....

7 months ago
10
3

18 Months In: The Angel Investing Questions I Thought I'd Have Figured Out By Now

Eighteen months into angel investing, I've personally spoken to 730+ startups and invested in 44 of them—a 6% hit rate. I'm past the total beginner stage but nowhere near experienced. What surprises me most is how much I still don't know, d...

8 months ago
6

Coincidence Cascades

A coincidence cascade is a chain of related coincidental events that build on each other. I've experienced several in my life—here are two that shaped my path.

Early in my time in the US, a fellow Belarusian offered to teach me to ride a m...

9 months ago
4

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