Keith Peiris (@keithpeiris) — Twitter Score 36 out of 1000

Keith Peiris is a co-founder and CEO who shut down his AI presentation startup Tome in March 2025 and pivoted the company into Lightfield, an AI-native alternative to legacy CRM systems aimed at helping founders build better businesses. Keith Peiris's Twitter Score is 36 out of 1000 as of August 2026, ranking #26,672 (top 10%) among 484,166 tracked accounts.

Keith Peiris co-founded Tome alongside Henri Liriani, with Greylock incubating the company and investing alongside Coatue. Tome raised $32 million when it emerged from stealth, then secured a $43 million Series B led by Lightspeed Venture Partners, with Forbes reporting a post-investment valuation of $300 million. When Peiris wound down Tome in March 2025, the team was reduced from 70 employees to six before the pivot to Lightfield.

Keith Peiris also co-founded Lightfield, which positions itself as an AI-native CRM and has added an MCP server allowing AI assistants to access CRM data with user-parity permissions and perform actions such as creating or updating records. Before founding companies, Peiris previously worked at Greylock as an entrepreneur in residence, and held head of product roles at Citizen and Glossier. He also previously worked at Instagram as a messaging and camera AR product lead and at Facebook as a manager of product management.

Keith Peiris has published 1,916 posts on the platform and has been mentioned by 19 accounts a total of 29 times.

Who follows Keith Peiris on X?

The accounts that follow Keith Peiris include 142 founders, 46 angel investors, 12 influencers and 9 VCs, among them Marc Andreessen, Anthony Pompliano, Sandeep, Tom Schmidt, Avichal Garg - Electric Capital and Li Jin.