Speakers from all

Elasticsearch
Data scientist at Etsy
elastic
Making Waves
Elasticsearch
Principal Technologist
GitHub
Quantmetry
Open Source Developer Advocate @ Google
Hyperledger
Twitter
Mesosphere Inc
Co-Founder at Streamdrill Inc.
Quanticate
Elastic
Chief Application Architect
Apache Software Foundation
Senior Data Scientist
Search Engineer, Unbxd
Textkernel