Joran Dirk Greef is a software engineer and database creator who founded TigerBeetle, an open-source distributed financial-transactions database built for high-performance debit-and-credit processing. Joran Dirk Greef's Twitter Score is 12 out of 1000 as of September 2026, ranking #77,224 among 486,860 tracked accounts.
Joran Dirk Greef previously worked at Coil as a staff engineer, where a safety and performance analysis of the Mojaloop payments switch led to the creation of TigerBeetle. Originally conceived as infrastructure for Interledger and Rafiki, TigerBeetle provides debit-and-credit primitives designed to serve as the core of financial transaction processing systems.
Joran Dirk Greef has led two funding rounds for TigerBeetle: a seed round of $6.4 million led by Amplify Partners with Coil participating, followed by a $24 million Series A led by Spark Capital with Amplify Partners and Coil also taking part. In a post dated March 19, 2026, Joran Dirk Greef reported that TigerBeetle had processed one trillion test transactions, a milestone reflecting the database's scale ambitions.
Joran Dirk Greef's account has 10,933 followers as of September 2026 and 8,422 posts. Joran Dirk Greef has been mentioned by 12 accounts, with 30 total mentions.
Who follows Joran Dirk Greef on X?
The accounts that follow Joran Dirk Greef include 56 founders, 13 angel investors, 4 influencers and 1 VCs. Among them are Georgios Konstantopoulos, mikedemarais.eth, Zooko, T11s, dcbuilder.eth and Robert Scoble.