Marianne Hoornenborg is a Lead for the Dutch Java community NLJUG and works in the CIO Office at the Dutch Chamber of Commerce (KVK) where she started her Java career a decade ago. She is passionate about promoting gender diversity and challenging stereotypes about our profession.As an international speaker, Marianne explores the concepts that are hidden beneath the surface of the technology we use every day. Her talks invite curiosity, challenge assumptions and turn complex ideas into fun discoveries. She aims for the audience to enjoy her talks as much as she enjoyed preparing them.