The Preceptor in Expository Writing at Harvard University is responsible for teaching introductory writing courses, specifically Expository Writing: Studio 10-Studio 20 and Expository Writing 20. This role involves guiding students through the development of analytical writing skills necessary for academic success, with a focus on argumentation, evidence analysis, and effective communication. Preceptors will engage in collaborative curriculum development and contribute to a supportive teaching environment, while also receiving mentoring and professional development opportunities.