A college professor is an academic teacher, researcher and educator who works at a college or university. They are responsible for teaching courses in their field of expertise, conducting research, and advising students on academic matters. Professors typically have advanced degrees and experience in their subject matter, and they often contribute to the development of new knowledge through publishing articles and books. In addition to classroom instruction, college professors may also be involved in curriculum development, program assessment, and other administrative tasks related to their position.