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JCON 2021

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Featured Speakers

Stuart Douglas

Red Hat

Senior Principal Software Engineer

Markus Kett

MicroStream

CEO

Adam Bien

adam-bien.com

Java Champion, Freelancer, Autor, Keynote-Speaker, Consultant

Allard Buijze

AxonIQ

CTO & Founder

Simon Ritter

Azul

Deputy CTO

Sandra Ahlgrimm

Microsoft

Cloud Developer Advocate

Speakers

Dmitry Alexandrov

Team Helidon at Oracle

Java Champion, Oracle Dev Champion, Senior Principle Developer

Andres Almiray

Oracle

Senior Principal Product Manager

Mete Atamel

Google

Developer Advocate

Hüseyin Babal

Hazelcast

Senior Software Engineer

Karan Balkar

LTI

Team Lead

Carlos Barragan

Novatec GmbH

Chief Technologist

Andrea Battaglia

Red Hat

Partner Technical Manager

Burt Beckwith

Oracle Labs

Principal Engineer

Steven van Beelen

AxonIQ

Lead Developer

Edward Burns

Microsoft

Principal Architect

Rudy De Busscher

Payara

Developer Advocate

YK Chang

IBM

Developer Advocate & Architect

Graham Charters

IBM

WebSphere and Liberty Technical Product Manager

Diana Cheng

Amazon Web Services

Solutions Architect

TEJAS CHOPRA

Netflix, Inc.

Senior Software Engineer

Dmitry Chuyko

BellSoft

Performance Architect

Jamie Coleman

IBM

Software Engineer/Advocate

Nacho Cougil

Dynatrace

Senior Software Engineer

Anthony Dahanne

National Bank of Canada

Software Engineer

Pia Diedam

viadee AG

IT-Consultant

Konstantin Diener

cosee GmbH

CTO

Johannes Dienst

DB Systel

Softwarearchitect / DevOps Engineer

Piet van Dongen

Luminis

Cloud Consultant

Alejandro Duarte

Vaadin

Developer Relations Manager

Ivan Dugalic

AxonIQ

Solutions Architect

Hendrik Ebbers

Karakun GmbH

Co-Founder

Hanno Embregts

Info Support

IT Consultant

Pascal Euhus

Reservix GmbH

Andreas Falk

Novatec Consulting

Lead of Agile Security

Richard Fichtner

XDEV Software GmbH

CEO

Nicolas Fränkel

Hazelcast

Developer Advocate

Uwe Friedrichsen

codecentric AG

CTO

Dirk Fröhner

Amazon Web Services

Solutions Architect

Tetiana Fydorenchyk

Jelastic

Vice President of Marketing

Tobias Glemser

secuvera GmbH

CEO of secuvera, BSI certified penetration tester

Antonio Goncalves

AGoncal Consulting

Developer

Ivar Grimstad

Eclipse Foundation

Jakarta EE Developer Advocate

Mary Grygleski

IBM

Developer Advocate

Florian Habermann

MicroStream

CTO

Matthias Haeussler

Novatec Consulting GmbH

Chief Technologist

Munawar Hafiz

OpenRefactory

CEO

Nils Hartmann

Freelancer

Software Developer and Trainer (Freelancer)

Mark Heckler

Microsoft

Principal Cloud Advocate, Java/JVM Languages

Marcus Hellberg

Vaadin

Head of Community

Sebastian Hempel

IT-Consulting Hempel

Freelancer

Cesar Hernandez

Tomitribe

Senior Software Engineer

Jörg Hettel

Hochschule Kaiserslautern

Professor

Stefan Hildebrandt

Freelancer

Agile Developer

Tamira Horn

SüdLeasing GmbH

IT Security Administrator

Thorsten Jakoby

Novatec Consulting GmbH

Managing Consultant

Grace Jansen

IBM

Developer Advocate

Johan Janssen

Sanoma Learning

Software architect

Thorben Janssen

Thorben Janssen

Freelancer

Emily Jiang

IBM

Senior Technical Staff Member

Melissa Jurkoic

addapptation/Diversify Thinking

CXO/Cofounder

Moritz Kammerer

QAware

Expert Software Engineer

Dmitry Kandalov

Code Mine

Software Developer

Stephan Kaps

Bundesamt für Soziale Sicherung

Leiter Softwareentwicklung

Vadym Kazulkin

ip.labs GmbH

Head of Technology Strategy

Werner Keil

CATMedia UG & Co. KG

Director

Daniel Kocot

codecentric AG

API Expert / Senior Solutions Architect

Kathryn Kodama

IBM

Software Developer, Open Liberty Developer Experience

Ioannis Kolaxis

Atos

Software Architect

Mike Kowalski

mikemybytes.com

Software Engineering Consultant

David Král

Oracle

Java Developer

Christian Kuemmel

MicroStream Software GmbH

Project Manager, Senior Software Consultant

Guillaume Laforge

Google

Developer Advocate

Tomáš Langer

Team Helidon at Oracle

Consulting Member of Technical Staff

José Luis León

Stack Builders

Full Stack Developer

Carola Lilienthal

WPS - Workplace Solutions

Managing Director

Martin Lippert

VMware

Spring Tools Lead

Nicolai Mainiero

sidion GmbH

Expert Software Developer

Simon Martinelli

72 Services GmbH

Software Renovator

Mattia Mascia

Red Hat

Principal Consultant

Andrew McCright

IBM

Web Services Architect

Hugh McKee

Lightbend

Developer Advocate

vipin menon

IBM

Software Developer, APM

Piotr Mińkowski

Red Hat

Solution Architect

Julius Mischok

Mischok GmbH

CTO

Robin Moffatt

Confluent

Senior Developer Advocate

Maarten Mulders

Info Support

IT Consultant

Christian Müller

Amazon Web Services

Principal Solutions Architect

Ralf Müller

DB Systel GmbH

Software Engineering Advocate

Osama Mustafa

Gurus Solutions

cloud architecture

Chiamaka Okenwa

Renmoney

Software Engineer

Christopher Olbertz

Hochschule für Technik und Wirtschaft des Saarlandes

Lehrkraft für besondere Aufgaben im Bereich Informatik

Himanshu Patel

Aventiv Technologies

Head of Middleware Engineering

Rory Preddy

Microsoft

Microsoft Developer Advocate

Reza Rahman

Microsoft

Principal Program Manager

Michael Redlich

ExxonMobil Research & Engineering

Lead Java Queue Editor

Joachim Reiter

kreativgeist.at

Freelancer and founder

Graeme Rocher

Oracle

Architect

Bernd Ruecker

Camunda

Co-Founder and Chief Technologist

Thomas Ruhroth

msg systems ag

Lead IT Consultant

Sven Ruppert

JFrog

Dev Advocate

Timo Salm

VMware Inc.

Specialist Solution Engineer VMware Tanzu

Otavio Santana

Zup Innovation

Distinguished Engineer

Kai Schmidt

Kai Schmidt

IT engineer

Christian Schneider

Christian Schneider

Freelancer

Patrick Schröer

viadee AG

Marco Schulz

Freiberufler

Build-, Configuration- and Release Management

Nathaniel Schutta

Pivotal

Software Architect

Henning Schwentner

WPS – Workplace Solutions

Coder, Coach, Consultant

Christian Schwörer

Novatec Consulting GmbH

Distinguished Software Engineer

Oleg Šelajev

Oracle

Devrel

Gaurav Sen

InterviewReady

Founder

Todd Sharp

Oracle

Developer Advocate

Christian Siebmanns

viadee IT-Unternehmensberatung

IT Berater

Sneha Singla

salesforce

Director, Engineering

Falk Sippach

embarc Software Consulting GmbH

Software-Architekt

Sebastian Späth

MicroStream Software GmbH

Fabian Stäber

Instana

Sr. Engineering Manager

Jan Stamer

Commerzbank AG

Solution Architect

Ruslan Synytsky

Jelastic

CEO

Mohamed Taman

Effortel

Chief Solutions Architect

Sara Torrey

AxonIQ

Software Developer

Giuseppe Trovato

Veracode

Security Researcher

Ko Turk

Blue4IT

Senior Java Developer

Greg Turnquist

VMware

Principal Developer

Jim Tyrrell

Red Hat

Senior Principal Solutions Architect

Dmitry Vinnik

Facebook

Open Source Developer Advocate at Facebook

Stefan Waldmann

doubleSlash GmbH

Senior Software Engineer

Patrycja Wegrzynowicz

Yon Labs

CTO

Wolfgang Weigend

Oracle

Oracle Master Principal Solution Engineer GraalVM

Dirk Weil

GEDOPLAN GmbH

CEO

Kevin Wittek

AtomicJar Inc.

Software Engineer

Eberhard Wolff

INNOQ

Fellow

Gil Zilberfeld

TestinGil

Agile Testing Consultant