Marzena Ermler is a professional development trainer with more than 7 years of experience in educating library professionals in the areas of management and leadership, library technologies, and general information science. She has earned her MA in Information and Library Science at the Pratt Institute, New York and a MA in German Literature and Language, with a minor in Methodology of Teaching, at the University of Zielona Gora, Poland. Marzena holds several certificates in leadership development and training management, and works as the Professional Development Manager at the New York Public Library.