Lennart has been working as a lawyer since 2012.

He represents companies and individuals in all areas of copyright and media law, including press law, social media law, media business law, and music and entertainment law. Other key areas of his practice include advising on IT & digital business issues, particularly in IT law, IT and media employment law, as well as general business and commercial law.

He also has extensive expertise in civil litigation, based on many years of experience in court proceedings before all levels of jurisdiction, including handling several media law cases before the Federal Court of Justice. His advisory services also include providing legal support for corporate public relations activities.

Lennart has many years of industry experience in the entertainment sector, including work as an A&R manager and later as co-founder and managing director of a local concert promoter. He also has long-standing experience in advising tech startups.

Lennart studied law at Humboldt University of Berlin and worked as a research associate in the legal department of the software and hardware company Native Instruments. During his legal traineeship and elective stage at SKW Schwarz Rechtsanwälte, he worked in the areas of media & entertainment and commercial and corporate law. As a lawyer, he worked for Moser Bezzenberger Rechtsanwälte and later for IRLE MOSER Rechtsanwälte.