Mary is a Java Champion and a passionate Streaming Developer Advocate at DataStax, a leading
data management company that champions Open Source software and specializes in Big Data,
DB-as-a-service, Streaming, and Cloud-Native systems. She spent 3.5 years previously as an
advocate at IBM, focusing on Java, Jakarta EE, OpenJ9, Open Source, Cloud, and Distributed Systems.
She is an active tech community builder outside of her day job, and currently the President of the
Chicago Java Users Group (CJUG).