Max Schrems is an Austrian lawyer and privacy activist known for his work on data protection and privacy rights. He gained international attention for his legal challenges against major tech companies regarding the handling of personal data, particularly in relation to the General Data Protection Regulation (GDPR) in the European Union. Schrems is best known for his role in the landmark case Schrems I, which led to the invalidation of the Safe Harbor agreement between the EU and the United States. His efforts have significantly influenced data privacy laws and practices, emphasizing the importance of protecting individuals' personal information in the digital age.