Daniel Lemire
lemire
Software performance expert. Ranked in the top 2% of scientists globally (Stanford/Elsevier 2025) and among GitHub's top 1000 developers.
Université du Québec (TELUQ) Montreal, Quebec, Canada
Julien Viet
vietj
@eclipse-vertx lead, I have been developing open source software since 2002
Marseille
Sanne Grinovero
Sanne
Hibernate team, Quarkus team, Java Champion, Commonhaus Foundation.
Dutch, Italian, living near London.
Passion for OSS and JVM, likes efficient code.
IBM United Kingdom
Guillaume Smet
gsmet
Happy camper at @IBM, improving Quarkus one commit at a time.
Red Hat Lyon, France
Gavin King
gavinking
Red Hat Distinguished Engineer at IBM.
Creator of @hibernate, @cdi-spec, and @ceylon.
Working on @jakartaee Query, Persistence, and Data specifications.
IBM Barcelona, Spain
KIE (Drools, OptaPlanner and jBPM)
kiegroup
Code of the Drools rule engine, OptaPlanner constraint solver and jBPM workflow engine.
United States of America
Michele Sciabarra
sciabarracom
Building the next big thing: opensource serverless!
Sciabarra.com ltd London