Wiley (also known as John Wiley & Sons) is a company developing digital education, learning, assessment, and certification solutions. It operates in 3 segments: Research Publishing and Platforms, Academic and Professional Learning, and Education Services. The Research Publishing segment offers scientific, technical, medical, and scholarly journals, as well as related content and services. It also publishes journals in the areas of physical sciences and engineering, health sciences, social science, humanities, and life sciences. The Academic and Professional Learning segment acquires, develops, and publishes scientific, professional, and educational books and related content, as well as provides test preparation services and course workflow tools, to libraries, corporations, students, professionals, and researchers. The Education Services segment offers online program management services for higher education institutions, corporate learning services, and assessment services for businesses and professionals.