Peter Sellis was Snapchat's first product manager, stayed 7 years, then ran product at Discord through some of its fastest growth on record. He has since left Discord, which means no PR filter, no talking points, and no career exposure to protect.
The 90-minute conversation covers specific, uncomfortable ground: why Snapchat's ads business failed to reach its ceiling, what it actually looked like to manage Nikita Bier, why most PMs are mediocre by structural design, and how Sellis models high-performing teams on the organizational logic of terrorist cells. That last one is not a throwaway line. He builds a full framework around it.
The piece is worth reading in full for Sellis's 3 so-called oxymorons of great product management and his core argument that growth almost never comes from growth work, it comes from the core product. Both ideas carry direct operational implications for anyone running a team or a roadmap right now.
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