The field of English for Specific Purposes (ESP) addresses the communicative needs and practices of particular professional or occupational groups. The study examined the potential for influencing student development through the ESP-310, a special English course at the School of Business Administration and Humanities at the Mongolian University of Science and Technology. The study identifies the learning environment, teacher-student relationships, teaching materials, and teaching methods as important factors in student development. In addition, a survey of students who took the course was conducted to consolidate the results. This study shows that business English can have a positive impact on student development.