Karri Saarinen (@karrisaarinen) — Twitter Score 193 out of 1000

Karri Saarinen is a software entrepreneur who co-founded Linear, a product development and issue-tracking company. Karri Saarinen's Twitter Score is 193 out of 1000 (an Excellent rating) as of August 2026, ranking #2,471 (top 1%) among 483,944 tracked accounts.

Karri Saarinen co-founded Linear in 2019 and serves as its CEO. The company's founding insight drew on experiences designing and building software at fast-growing companies, including Airbnb and Coinbase, where Karri Saarinen previously worked. Linear has since grown to serve more than 33,000 companies, including OpenAI, Coinbase, and Ramp.

Karri Saarinen has led Linear through several funding rounds. Sequoia Capital led both the seed round and the Series A, with the Series A bringing total funding to $17.2M. Accel led the Series B and the Series C, the latter closing at a $1.25B valuation with continued participation from Sequoia and 01Advisors. As part of the Series C, Linear completed its first tender offer for current and former teammates at that same valuation. Karri Saarinen and Linear are alumni of Y Combinator. Karri Saarinen's account has 91,055 followers as of August 2026 and 12,954 posts, and has been mentioned by 90 accounts a total of 242 times.

Who follows Karri Saarinen on X?

The accounts that follow Karri Saarinen include 943 founders, 280 angel investors, 93 influencers and 6 VCs, among them Brian Armstrong, Chris Dixon, Nikita Bier, jesse.base.eth, Marc Andreessen and Stani.