Michael Grinich (@grinich) — Twitter Score 55 out of 1000

Michael Grinich is a software entrepreneur who founded WorkOS, an API infrastructure platform serving AI companies including OpenAI, Anthropic, and xAI. Michael Grinich's Twitter Score is 55 out of 1000 (a Good rating) as of July 2026, ranking #18,524 (top 5%) among 531,432 tracked accounts.

Michael Grinich founded WorkOS in 2019 after departing Nylas, which he had co-founded. He also founded Nihilus and previously worked at Dropbox. WorkOS has raised significant venture funding across multiple rounds, including a Series A of $15M, a Series B of $80M, and a Series C of $100M that valued the company at $2 billion. In 2022, WorkOS acquired Modulz, expanding its product capabilities.

Michael Grinich's account has accumulated 14,238 followers as of July 2026 and 11,458 posts. The account has been mentioned by 43 accounts, with 87 total mentions.

Who follows Michael Grinich on X?

The accounts that follow Michael Grinich include 230 founders, 66 angel investors, 37 influencers and 7 VCs. Among them are Balaji, Marc Andreessen, David Sacks, Garry Tan, Alexis Ohanian and John Wang.