Sarah Kellermann was an academic assistant at the Baden-Württemberg Cooperative State University at the Chair of Educational Management and Lifelong Learning from 2018 to 2019. After completing her Master's degree in International Cultural and Business Studies with a focus on Hispanic Studies and Marketing at the University of Passau, she was Digital Marketing Manager at an online marketing agency in Passau from 2016 to 2018, focusing on performance-driven search engine advertising.