Recruiting and educating international students is a growing characteristic of the landscape of American higher education. "Open Doors 2006" indicated that 564,766 international students were enrolled in American higher education institutions in 2005-06 and that international students currently represent 3.9% of the total enrollment. Undoubtedly, international students benefit from studying in the United States. On the other hand, international students' presence on American campuses, in the era of internationalization and globalization, also benefits American students, increasing their cultural sensitivity and skills in working with people from different backgrounds. This article presents a case study that attempts to increase the international teaching assistant (ITA) training knowledge base by investigating how a training program offered by a northwest research university (Mountain University) prepared ITAs. It is hoped that this study will provide insights into the preparation of ITAs, as well as illuminate the need for a greater understanding of the experience of international students on American college and university campuses.