Jeanne Shin-Cooper is an AP Human Geography teacher at Buffalo Grove High School, located in the northwest suburbs of Chicago. Serving as an educational consultant and exam reader for the course, she has experience helping new and seasoned teachers across the country develop curriculum. Having traveled to over 25 countries, she has witnessed various geopolitical issues and border conflicts, including a visit to Panmunjom situated between North and South Korea. Her favorite lesson to teach in Unit 4 is Topic 4.4, Types of Political Boundaries.