Jonathan Ellis
Technology
Jonathan is a co-founder of DataStax. Before DataStax, Jonathan was Project Chair of Apache Cassandra for six years, where he built the Cassandra project and community into an open-source success. Previously, Jonathan built an object storage system based on Reed-Solomon encoding for data backup provider Mozy that scaled to petabytes of data and gigabits per second throughput.
The latest from Jonathan Ellis
The Best Embedding Models for Information Retrieval in 2025
A Reranker Algorithm Showdown for Vector Search
ColBERT Live! Makes Your Vector Database Smarter
Indexing All of Wikipedia on a Laptop
5 Vector Search Problems and How We Solved Them in Astra DB
DataStax and Google Cloud Collaborate to Evolve Open Source Apache Cassandra for Generative AI
Cassandra Vector Search: The Best AI Database Solution
4 Reasons Why Apache Pulsar is Essential to the Modern Data Stack | DataStax
