The USK team organizes the testing and classification process, paving the way for youth protection in digital games and apps – online and offline. Get to know our team and get in touch with us!

Managing Director

Elisabeth Secker

Elisabeth Secker has been Managing Director of the Entertainment Software Self-Regulation Body (USK) since January 2018. As part of her work, she is involved as a member of the board of the International Age Rating Coalition (IARC) for age ratings for online games and apps. Previously, she was deputy head of youth media protection at “die medienanstalten”, the umbrella organization of the 14 state media authorities in Berlin. From 2011 to 2013, the communications graduate served well-known companies in the field of IT and network policy as a public affairs consultant. Elisabeth Secker is also active as a member of the advisory board of the Digital Games Culture Foundation and on the Safer Advisory Board of an international games platform.
Deputy Managing Director & Legal Counsel

Lorenzo von Petersdorff

Lorenzo von Petersdorff has been Deputy Managing Director & Legal Counsel of the Entertainment Software Self-Regulation Body (USK) since December 2019. As part of his work, he is involved as a deputy member on the Board of the International Age Rating Coalition (IARC) for age ratings for online games and apps. He joined the USK in November 2015 as Legal Counsel and later also served as Head of Previously, he gained experience at well-known companies in the media industry. Lorenzo von Petersdorff is also active as a deputy member of the advisory board of the Digital Games Culture Foundation.
Testing Department Manager

Marek Brunner

Marek Brunner was born in Potsdam in 1975. He holds a degree in media informatics and became the USK’s first game tester in 1994. In 2003, he took over the management of the testing department. His tasks include the coordination of the department, the technical preparation of the games, the training and selection of the reviewers and the quality assurance of the game presentations. Since 2007, he has been responsible for the merged testing area for IARC & JuSchG procedures.
Gead of Testing Department

Christine Schulz

Christine Schulz holds a degree in sociology and has accompanied and helped shape the USK since its founding in 1994. As head of the testing department, she organizes the procedure, the testing sessions and, in particular, the work of the youth protection experts. As head of the complaints office, she also oversees complaints and supervisory procedures.
IARC Manager

Lukas Neuerburg

Lukas Neuerburg joined the USK team in January 2016 and initially worked in quality assurance for youth media protection within the IARC process. Since the beginning of 2018, he has coordinated and managed the daily work of the IARC area. In addition, he is the contact person for all complaints regarding the labels of online games and apps and supports the social media work of the USK. He studied Communication Science and English Language and Literature (B.A.) as well as Children’s and Youth Media (M.A.) at the University of Erfurt.
Project Manager

Björn Jahn

Björn Jahn studied Digital Media Cultures at the Babelsberg Film University and has since focused his media science work on video games. Since mid-2017, he has been working as a project manager in the department. Here he looks after the members of the USK, realizes implementations in the area of technical youth protection and works on internal projects of the USK.
Legal Officer & Legal Expert

Hendrik Krohne

Hendrik Krohne studied law at the University of Leipzig and the Humboldt University of Berlin. From 2015 to 2019, he was able to gain professional experience in the field of youth media protection at the Voluntary Self-Regulation of Multimedia Service Providers. Since 2019, Hendrik has been working at as a Legal Officer & Legal Expert.
Junior Account Manager

Adam Engeleiter

After studying administrative economics, Adam got his start in the games industry during several years at the BIU – Bundesverband Interaktive Unterhaltungssoftware e.V. (the predecessor of today’s game e.V.) and was later active as a community and project manager at a Berlin-based mobile studio. Since the beginning of 2019, Adam has been supporting the team in member support, consulting on issues relevant to the protection of minors, and assessing digital content.
Testing Department

Lara Schulze

Lara Schulze studied German Linguistics at the Humboldt University in Berlin. Since 2017, she has been an employee in the testing department of the USK and is mainly responsible for the technical preparation of games and the implementation of the simplified testing procedures.
IARC Tester

Leonhardt Appel

IT Department

Tilo Ziller


Cordelia Kretzschmar

Assistance to the Permanent Representatives of the Supreme State Youth Authorities

Simone Lieseke