The DOAG Office

Fried Saacke Managing Director
CEO
Delegate Business Solutions

Team Member NetSuite User Days

Management & Project Management
Conference Management

Carmen Al-Youssef Event Management
Business Development
Team Member NetSuite User Days
Sponsoring
Sponsoring
Sponsoring
Sponsoring

Cornel Albert Event Management

Kirsten Böttcher Event Management
Project Management

Lisa Damerow Editorial Staff
Marketing & Communication

Patrick Fischer Event technology
Exhibition Stand Construction & Event Technology

Mark Guy Event technology

Sandra Kelch Event Management
Project Management
Deputy Project Manager

Alexander Kermas Graphic Design
Graphics, Design, Adverts

Joanna Krinke Event Management
Sponsoring

Ilona Lemke Event Management
Sponsoring

Marcos López Editorial Staff
Head of Event Communication

Christian Luda Editorial Staff
Team Member NetSuite User Days

Martin Meyer Editorial Staff

Kim Nagies Event technology
Exhibition Stand Construction & Event Technology
Exhibition Stand Construction & Event Technology

Jürgen Pittorf IT Administration & Operations

Moritz Rißmann Editorial Staff
Marketing & Communication

Jürgen Rosenhagen New customer sales
New Customer Sales
Sponsoring
Sponsoring
New customer sales

Ute Staats Finance & Controlling
Registration, Check-in, Controlling
Registration, Check-in & Controlling

Kai Thrun Manager Digital Marketing

Diana Tkach Graphic Design
Graphics, Design, Adverts

Contact

Management and Administration

Central call (office[at]doag.org), +49 30 4005 999-0

Fried Saacke, CEO, +49 30 4005 999-23
Ute Staats, Finance and Controlling, +49 30 4005 999-20
Jürgen Pittorf, IT coordination, +49 30 4005 999-29
Kai Thrun, Manager Digital Marketing, +49 30 4005 999-25

Editing and media design

Collective call editorial team (redaktion[at]doag.org), +49 30 4005 999-30

Lisa Damerow, Java aktuell editorial teaml, +49 30 4005 999-12
Marcos Lopéz, Business News editorial team, +49 30 4005 999-36
Martin Meyer, Red Stack editorial team, +49 30 4005 999-37
Moritz Rißmann, online media editorial team, +49 30 4005 999-41
Alexander Kermas, media design, +49 30 4005 999-18
Diana Tkach, media design, +49 30 4005 999-19

Event Management and Customer Service

Sammelruf Sponsoring (sponsoring[at]doag.org), +49 30 4005 999-10

Carmen Al-Youssef, Business development, sponsoring, +49 30 4005 999-17
Cornel Albert, Event management, member service, +49 30 4005 999-21
Kirsten Böttcher, Event management, +49 30 4005 999-15
Sandra Kelch, Event management, +49 30 4005 999-14
Ilona Lemke, Event management, sponsoring, +49 30 4005 999-16
Joanna Krinke, Trainee, +49 30 4005 999-24
Jürgen Rosenhagen, Sponsoring, +49 30 4005 999-11

Event technology (Hürth facility)

Collective call (eventtechnology[at]doag.org), +49 30 4005 999-50

Mark Guy, Head of Event Technology, +49 30 4005 999-51
Kim Nagies, Event technology project manager, +49 30 4005 999-52
Patrick Fischer, Trade fair construction and logistics, +49 30 4005 999-53

The DOAG Executive Board

Jonas Janz Chairman of the Board
Topic Manager Cloud and Container Technologies
Delegate Cloud Native
CloudLand 2026 Speaker

Fried Saacke Managing Director
CEO
Delegate Business Solutions

Team Member NetSuite User Days

Management & Project Management
Conference Management

Philipp Berg Board Member Infrastrukture and Middleware
Head of Infrastructure and Middleware Community
Deputy Topic Manager Operational Solutions
Co-topic manager for cloud infrastructure
Delegate Infrastructure & Middleware
APEX connect 2026 Speaker

Arne Hattendorf Board Member Development
Leader of Development Community
Topic Manager Green Coding
APEX connect 2026 Speaker

Katharina Schraft Board Member Business Solutions
Leader of Business Solutions Community
Team Member NetSuite User Days

André Sept Board Member Cloud Native
Leader of Cloud Native Community
Delegate Next Generation

Oliver Szymanski Board Member NextGen
Spokesperson of the Java User Group Nuremberg
Community Leader AI
Topic Manager Agile SW development with Cloud Native
Delegate Data Analytics

Program Committee

Jan-Peter Timmermann Board Member Finance
Delegate Development

Christian Trieb Board Member Database
Leader of Database Community
Delegate Database
APEX connect 2026 Speaker

Armin Wildenberg Spokesperson for the specialist group for soft skills and methods
Board Member Data Analytics Community
Leader of Data Analytics Solutions Community
Topic Manager AI and Society
Delegate Next Generation
Program Committee

Business Solutions Community

Katharina Schraft Board Member Business Solutions
Leader of Business Solutions Community
Team Member NetSuite User Days

Johannes Michler Deputy community leader
Topic Manager Cloud Infrastructure
Delegate Infrastructure & Middleware
Low-Code Creator 2025 Speaker
APEX connect 2026 Speaker

Martin Kalkuhl Topic manager Netsuite Products & Partners
Delegate Business Solutions
Team Member NetSuite User Days

Peter von Zimmermann Topic Manager NetSuite
Delegate Business Solutions
Team Member NetSuite User Days

Data Analytics Community

Tina Bauspieß Deputy Community Leader, Topic Manager Data Management and Data Migration
Delegate Data Analytics

Martin Aurich Topic Manager Data Warehouse and Data Lake

Giovanbattista Barra Topic Manager Data Mesh
Delegate Corp. Members 500+

Sven Bosinger Topic Manager Geodata and Locational Intelligence

Arne Hattendorf Board Member Development
Leader of Development Community
Topic Manager Green Coding
APEX connect 2026 Speaker

Christian Piasecki Deputy Spokesperson of the group Osnabrueck / Bielefeld / Muenster
Topic Manager BI and DWH
Delegate Data Analytics

Stephan Tönnies Topic manager digital transformation
Topic Manager AI in Public Sector & Politics
Delegate Data Analytics
Program Committee

Karin Patenge Representative of Oracle

APEX connect 2026 Speaker

Björn Ständer Representative of Oracle

Development Community

Arne Hattendorf Board Member Development
Leader of Development Community
Topic Manager Green Coding
APEX connect 2026 Speaker

Christian Schwitalla Deputy Community Leader
Delegate Development
Low-Code Creator 2025 Speaker

Maik Becker Topic Manager Apex
Delegate Corp. Members 500
NextGen & Stream Solutions
APEX connect 2026 Speaker

Sven Bernhardt Topic Manager Methodology

Niels de Bruijn Topic Manager Low-Code and APEX connect
Conference Management
Low-Code Creator 2025 Speaker
APEX connect 2026 Speaker

Kai Donato Topic Manager JavaScript
Head of Media Coverage
APEX connect 2026 Speaker

Sabine Heimsath Topic Manager PL/SQL
Delegate Development
Stream Stream PL/SQL
APEX connect 2026 Speaker

Frank Hoffmann Topic Manager Oracle Forms / Oracle VBCS

Oliver Lemm Topic Manager DevOps
Low-Code Creator 2025 Speaker
APEX connect 2026 Speaker

Paul Enno Schulte Topic Manager Cloud Development
Topic Manager Serverless Computing

Tobias Schweiker Topic Manager Requirement Engineering
Delegate pers. members

Frederic Laure Yotti Topic Manager DevTalks

Carsten Czarski Representative of Oracle

Low-Code Creator 2025 Speaker
APEX connect 2026 Speaker

Volker Linz Representative of Oracle

Madeleine Reinwald Topic Manager Social Media
Delegate Corp. Members 500

Cloud Native Community

André Sept Board Member Cloud Native
Leader of Cloud Native Community
Delegate Next Generation

Andreas Badelt Deputy Community Leader, Responsible for Adopt-a-JSR
Delegate Cloud Native

Bernhard Findeiss Topic Manager Java Innovation Lab

Matthias Fuchs Deputy Topic Manager Container
Co-topic manager for cloud infrastructure
Delegate Infrastructure & Middleware

Florian Heubeck Topic Manager Cloud Native GitOps

Jonas Janz Chairman of the Board
Topic Manager Cloud and Container Technologies
Delegate Cloud Native
CloudLand 2026 Speaker

David König Topic Manager IOT in the Cloud Native Environment

Low-Code Creator 2025 Speaker
CloudLand 2026 Speaker

Frank Prechtel Deputy Spokesperson of the Java User Group Nuremberg
Topic Manager AWS
Delegate Next Generation

Björn Raupach Topic Manager Cloud Native Software-Architecture
Delegate Cloud Native

Ralf Richter Topic Manager Cloud Hyperscaler und Social Media

Paul Enno Schulte Topic Manager Cloud Development
Topic Manager Serverless Computing

Marius Stein Topic Manager Cloud Native & Container Technologies

Heiko Stein Deputy Topic Manager Container and On-Premises Infrastrukture
Co-topic manager for cloud infrastructure
Delegate Infrastructure & Middleware
CloudLand 2026 Speaker

Oliver Szymanski Board Member NextGen
Spokesperson of the Java User Group Nuremberg
Community Leader AI
Topic Manager Agile SW development with Cloud Native
Delegate Data Analytics

Program Committee

Lyubomir Yordanov Topic Manager Microservices and DDS

Tihomir Yordanov Topic Manager ICD and Automation

Database Community

Christian Trieb Board Member Database
Leader of Database Community
Delegate Database
APEX connect 2026 Speaker

Birgit Arndt Co-Topic Manager Artificial Intelligence (Database)
Delegate Database

Torsten Buchwald Topic Manager AI (Database)

Andreas Buckenhofer Co-Topic Manager Data Governance & Sovereignty
Delegate Cloud Native

Tobias Flüter Spokesperson for the specialist group for youth work
Topic Manager NextGen (database community)
Delegate Groups

Dagmar Förster Co-Topic Manager Administration

Elke Fritsch Co-Topic Manager Architecture

Matthias Jung Deputy Spokesperson of the group Rhein-Main
Co-Topic Manager Data Governance & Sovereignty
Delegate Database
DevLand 2026 Speaker

Matthias Mann Co-Topic Manager Administration
Spokesperson for the Specialist Group and Competence Center Security
Delegate Corp. Members 500+

Borys Neselovskyi Co-Topic Manager Data Management

Marco Pachaly-Mischke Co-Topic Manager Architecture

Christian Pfundtner Co-Topic Manager Data Management

Jürgen Vitek Co-Topic Manager Administration
Delegate pers. members

Ulrike Schwinn Representative of Oracle

Infrastructure & Middleware Community

Stefan Panek Deputy Community Leader, Topic Manager Engineered Systems

Florian Barth Deputy Topic Manager ODA

Matthias Fuchs Deputy Topic Manager Container
Co-topic manager for cloud infrastructure
Delegate Infrastructure & Middleware

Sven Illert Topic Manager Operational Solutions

Johannes Michler Deputy community leader
Topic Manager Cloud Infrastructure
Delegate Infrastructure & Middleware
Low-Code Creator 2025 Speaker
APEX connect 2026 Speaker

Jessica Steger Topic Manager Cloud Infrastructure
Delegate pers. members

Heiko Stein Deputy Topic Manager Container and On-Premises Infrastrukture
Co-topic manager for cloud infrastructure
Delegate Infrastructure & Middleware
CloudLand 2026 Speaker

Jan Brosowski Representative of Oracle

Sebastian Solbach Representative of Oracle

AI Community

Oliver Szymanski Board Member NextGen
Spokesperson of the Java User Group Nuremberg
Community Leader AI
Topic Manager Agile SW development with Cloud Native
Delegate Data Analytics

Program Committee

Jacob Grieger Topic Manager AI in medicine
Delegate Cloud Native
Program Committee

Thomas Günther Topic Manager AI automation
Delegate Corp. Members 500+
Program Committee

Robert Krul Topic Manager Generative AI
Delegate Next Generation
Program Committee

Benjamin Linnik Topic Manager Data Science
Delegate Business Solutions
Program Committee

Eva-Maria Schaller Topic manager young talent/NextGen
Program Committee

Stephan Tönnies Topic manager digital transformation
Topic Manager AI in Public Sector & Politics
Delegate Data Analytics
Program Committee

Competence Center and other Cross Section Groups

Tobias Flüter Spokesperson for the specialist group for youth work
Topic Manager NextGen (database community)
Delegate Groups

Matthias Mann Co-Topic Manager Administration
Spokesperson for the Specialist Group and Competence Center Security
Delegate Corp. Members 500+

Michael Paege Spokesperson Specialist Group and Competence Center Oracle Licensing

Regional Representatives

Matthias Jung Deputy Spokesperson of the group Rhein-Main
Co-Topic Manager Data Governance & Sovereignty
Delegate Database
DevLand 2026 Speaker

Michel Keemers Spokesperson of the group Berlin/Brandenburg

Andreas Kother Spokesperson of the group Osnabrueck / Bielefeld / Muenster

Carolin Krützmann Deputy spokesperson of the group Hamburg
APEX connect 2026 Speaker

Benjamin Kurschies Spokesperson of the group Hamburg
Delegate Groups

Helmut Marten Spokesperson of the group Dresden/Saxony

Christian Piasecki Deputy Spokesperson of the group Osnabrueck / Bielefeld / Muenster
Topic Manager BI and DWH
Delegate Data Analytics

Frank Prechtel Deputy Spokesperson of the Java User Group Nuremberg
Topic Manager AWS
Delegate Next Generation

Jörg Sobottka Spokesperson of the group Freiburg / Südbaden
Delegate Groups

Andreas Ströbel Spokesperson of the group Munich / South Bavaria
Delegate Groups

Oliver Szymanski Board Member NextGen
Spokesperson of the Java User Group Nuremberg
Community Leader AI
Topic Manager Agile SW development with Cloud Native
Delegate Data Analytics

Program Committee

Thomas Tretter Spokesperson of the group Rhein-Main
Delegate Groups

Board of Delegates

(ohne Regionale Repräsentanten)

Johannes Ahrends Delegate Next Generation

Birgit Arndt Co-Topic Manager Artificial Intelligence (Database)
Delegate Database

Gerhild Aselmeyer Delegate pers. members

Andreas Badelt Deputy Community Leader, Responsible for Adopt-a-JSR
Delegate Cloud Native

Giovanbattista Barra Topic Manager Data Mesh
Delegate Corp. Members 500+

Tina Bauspieß Deputy Community Leader, Topic Manager Data Management and Data Migration
Delegate Data Analytics

Maik Becker Topic Manager Apex
Delegate Corp. Members 500
NextGen & Stream Solutions
APEX connect 2026 Speaker

Markus Bernhart Delegate Development

Andreas Buckenhofer Co-Topic Manager Data Governance & Sovereignty
Delegate Cloud Native

Mark Eichhorst Delegate Corp. Members 500

Tobias Flüter Spokesperson for the specialist group for youth work
Topic Manager NextGen (database community)
Delegate Groups

Karl Forsterpointner Delegate Corp. Members 500+

Matthias Fuchs Deputy Topic Manager Container
Co-topic manager for cloud infrastructure
Delegate Infrastructure & Middleware

Jacob Grieger Topic Manager AI in medicine
Delegate Cloud Native
Program Committee

Thomas Günther Topic Manager AI automation
Delegate Corp. Members 500+
Program Committee

Sabine Heimsath Topic Manager PL/SQL
Delegate Development
Stream Stream PL/SQL
APEX connect 2026 Speaker

Jonas Janz Chairman of the Board
Topic Manager Cloud and Container Technologies
Delegate Cloud Native
CloudLand 2026 Speaker

Matthias Jung Deputy Spokesperson of the group Rhein-Main
Co-Topic Manager Data Governance & Sovereignty
Delegate Database
DevLand 2026 Speaker

Martin Kalkuhl Topic manager Netsuite Products & Partners
Delegate Business Solutions
Team Member NetSuite User Days

Dirk Krautschick Delegate Database

Robert Krul Topic Manager Generative AI
Delegate Next Generation
Program Committee

Benjamin Kurschies Spokesperson of the group Hamburg
Delegate Groups

Simon Lang Delegate Business Solutions

Benjamin Linnik Topic Manager Data Science
Delegate Business Solutions
Program Committee

Andre Lünsmann Delegate Corp. Members 500+

Matthias Mann Co-Topic Manager Administration
Spokesperson for the Specialist Group and Competence Center Security
Delegate Corp. Members 500+

Robert Marz Delegate Development
APEX connect 2026 Speaker

Johannes Michler Deputy community leader
Topic Manager Cloud Infrastructure
Delegate Infrastructure & Middleware
Low-Code Creator 2025 Speaker
APEX connect 2026 Speaker

Michael Mühlbeyer Delegate Data Analytics

Christian Piasecki Deputy Spokesperson of the group Osnabrueck / Bielefeld / Muenster
Topic Manager BI and DWH
Delegate Data Analytics

Frank Prechtel Deputy Spokesperson of the Java User Group Nuremberg
Topic Manager AWS
Delegate Next Generation

Oliver Pyka Delegate pers. members

Björn Raupach Topic Manager Cloud Native Software-Architecture
Delegate Cloud Native

Madeleine Reinwald Topic Manager Social Media
Delegate Corp. Members 500

Fried Saacke Managing Director
CEO
Delegate Business Solutions

Team Member NetSuite User Days

Management & Project Management
Conference Management

Jan Schampera Delegate Database