Harj Taggar recounts joining Patrick Collison on Auctomatic after YC founder Paul Graham introduced them. The company was acquired within a year, and Harj says Patrick was better suited to being a CEO than a CTO. Harj also realized he wanted the authority to fix problems, which made a non-CEO role a poor fit for him.
How Top 1% Founders Navigate Co-founder Conflict
Speakers
Y Combinator partners Garry Tan, Harj Taggar, and Diane discuss co-founder conflict, drawing on their startup experiences and YC founder conversations.
Garry Tan says he tried to preserve agreement at Posterous by yielding to his co-founder, even when he disagreed about the product's direction. He describes overworking, burning out, and later recognizing his own part in not voicing his concerns. He recommends raising issues early and making room for a good-faith debate before deciding together.
The hosts describe how disputes can become tangled with ego and personal history, even over a startup name. They recommend describing observable behavior and its effects instead of guessing at someone's motives or making broad judgments about their character. When every decision feels like part of an ongoing scorekeeping contest, they suggest refocusing on the company's mission and seeking outside help, such as an executive coach.
Harj says he and his first co-founders got along socially, but none could do their best work without being CEO. At Triplebyte, his co-founders favored heated debate while he needed calmer discussion, and adapting to their style became exhausting. He says founders should shape a culture that lets them do their best work, and may benefit from therapy or coaching to recognize when adaptation has gone too far.
The group argues that a strong co-founder can provide support through the difficult stretches of building a company, though a bad match may be worse than going solo. They frame conflict as normal in close working relationships and a skill founders need to develop. Their closing point is that learning to work through problems with other people is part of building a fulfilling life and company.
Takeaways
- Check whether each co-founder has the role and decision-making authority they need to do their best work.
- Raise disagreements early instead of yielding until resentment or burnout builds.
- Describe specific behavior and its impact; ask about intentions instead of assuming them.
- Agree on how to debate under pressure, and notice when a working style is taking a personal toll.
- If conflicts keep spilling across decisions, refocus on the mission and consider help from a coach or therapist.
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What was claimed 8
- role atGarry Tan is runs Y Combinator full-time at
Y Combinator
“I'm Garry, president and CEO of Y Combinator.”
0:09inHow to Make Claude Code Your AI Engineering TeamYouTube Verified7 sources· Talk
- foundedHarj Taggar founded Triplebyte
“I’m Harj, one of the cofounders of Triplebyte, along with Ammon.”
0:31inBuilding an Engineering TeamYouTube Verified3 sources· Talk
- foundedPatrick Collison founded Auctomatic
“We pivoted into Auctomatic during the batch.”
YouTube Unverified1 source· Talk
- foundedHarj Taggar founded Auctomatic
“We pivoted into Auctomatic during the batch.”
YouTube Unverified1 source· Talk
- acquiredAuctomatic: Acqui-hired within a year
“We sold the company. We were acqui-hired within a year.”
YouTube Unverified1 source· Talk
- foundedHarj Taggar founded
Posterous“I also started Posterous with my co-founder.”
YouTube Unverified1 source· Talk
- acquired$20 million
“the company my co-founder and I built ended up selling to Twitter for $20 million.”
YouTube Unverified1 source· Talk
- featureJustin.tv: Early culture of aggressive, heated debate
“Justin.tv was known for an early culture of extremely aggressive, heated debates.”
YouTube Unverified1 source· Talk






