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HOME/PEOPLE/KEITH PEIRIS
// PERSON

Keith Peiris

ROLE CEOAT LIGHTFIELDMENTIONS 5LAST SEEN SEPTEMBER 16, 2026
// BIO

Keith Peiris is the co-founder and CEO of Lightfield, an AI-native CRM company based in San Francisco. He previously co-founded and served as CEO of Tome, an AI presentation tool that grew to 25 million users before he shut it down and pivoted to build Lightfield. Earlier in his career, he held product leadership roles at Instagram, where he grew Instagram Direct to 500 million monthly active users, and at Citizen, where he served as Head of Product. He is best known for the decision to walk away from a successful product with tens of millions of users to pursue a mission-critical CRM opportunity, a move that attracted a $47 million Series A led by Andreessen Horowitz.

Discussed in
// RECENT MENTIONS
// SIGNALS
5 SIGNALS
01
mention·The a16z Show·SEPTEMBER 16, 2026

“Deep down, I think at an instinctual level, none of us like the product... if you're a founder, you have to love the product that you're building”

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02
mention·The a16z Show·SEPTEMBER 16, 2026

“the model just didn't have enough context to really understand the presenter, the audience... no amount of general reasoning gets you past that”

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03
mention·The a16z Show·SEPTEMBER 16, 2026

“they moved off a 'flavor of the month' startup CRM to Salesforce after the vendor couldn't build dashboards fast enough”

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04
mention·The a16z Show·SEPTEMBER 16, 2026

“Participants: Alex Rampell, Joe Schmidt, Keith Peiris”

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05
mention·The a16z Show·SEPTEMBER 16, 2026

“for most of these record companies, you end up getting most of your revenue scale from actually the 50 miles out of here and more”

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AI-extracted from podcast / newsletter / paper summaries. May contain errors.