Zelenograd, Russia is known as the “green city,” and its Sister City connection with Tulsa runs deep. For over 30 years, students, doctors, and community leaders have exchanged not just visits, but friendship and understanding. Meet Garrett Gibson, a Russian scholar and Cold War historian now serving as Sister City Chair, and Bob Lieser, TGA’s Senior Director of Citizen Diplomacy, whose own connection to Zelenograd spans decades and includes teaching, hosting, and leading exchanges on both sides of the globe.