Principal Open Source Database Consultant
John has 40 years of experience working with data. Data in files and in Databases from flat files through ISAM to relational databases and most recently NoSQL. For the last 18 he’s worked on a variety of Open source technologies including MySQL, PostgreSQL, Cassandra, Mongodb, Hadoop and Hbase. He has been working with Cassandra since 2010. For the last 3.5 years he has been working for The Pythian Group to help their customers improve their existing databases and select new ones for new applications.