Solo Founders

A $300M company. 30M+ users. Tens of millions in revenue, some raised and some bootstrapped from zero. Software that saves lives. Five founders, zero co-founders.

Julian connects the dots across the first six episodes of the show — Ben Cera (Polsia, $30M raised), Yasser Elsaid (Chatbase, $10M ARR bootstrapped), Paul Klein IV (Browserbase, a $300M company), Eugenia Kuyda (Replika, 30M+ users), Daniel Francis (Abel), and investor Charles Hudson (Precursor Ventures) — on why they built alone, and what they all figured out about it.

The through-line: don't take a co-founder of convenience. A talented solo founder beats a mismatched team, and most co-founders get taken for the wrong reasons rather than because they're a genuine fit.

Topics covered:
- The "co-founder of convenience" — and why a talented solo founder beats a mismatched team
- Why the human 20% (taste, judgment, direction) is the whole game
- The clarity advantage: one voice, one layer of alignment
- Building from the personal, because the most personal is the most universal
- Mission as a forcing function — when the work clarifies every decision
- True solo vs free solo: two routes to the same rejection of the co-founder default

What is Solo Founders?

The Solo Founder's Podcast features in-depth interviews with solo founders building remarkable companies. Each week, host Julian Weisser sits down with solo founders who are either operating at serious scale or doing something right now that you need to know about. From Series B and beyond to founders breaking out in real-time, these are the conversations that define what it means to build solo. New episodes every week.