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Tomer Cohen: belief

4 Dec 2025 Lenny's Podcast Why LinkedIn is turning PMs into AI-powered "full stack builders” | Tomer Cohen (LinkedIn CPO)

“We had our first MVPs of those agents I think like four to five months after it was really trained, I would say.”

— Tomer Cohen

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Everything needed to verify it.

Speaker
Tomer Cohen
Attribution
Verified speaker
Claim type
belief
Recorded
4 Dec 2025
Publisher
Lenny's Podcast

Transcript context

…How long did it take to get this kind of in place for you to actually form your first team to build these, the initial agents and some of this backend, redo the code base sort of thing? I announced this internally end of last year, we really kind of started working, but it was more setting up the teams and the processes internally. We had our first MVPs of those agents I think like four to five months after it was really trained, I would say. But really the work itself has been kind of couple of months of dedicated work. A lot of it has been getting all the corpus of data together, cleaning it up. And that's actually a good learning as well. It's not great to just give it access to your drive and say, "Reason all over this knowledge base." It actually does a very poor job understanding importance of the past and putting weights on stuff. You actually want to think about specifically what the context when do you want to give it to and what's the knowledge base that you want to have it focused on. So even cleaning up, let's call them gold examples or golden examples to learn from, has been one of the biggest learnings. Just reasoning over your entire knowledge base did not work. Yeah, that makes sense. There may be just like a researcher with a strong opinion about something that you disagree with and it wouldn't know. It's like, oh, of course, this is data, this is fact.…

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