Yannleon focused on the socio-political conditions of squats in Europe in his Bachelor's thesis at UC Irvine, and drew comparisons of different representations of terrorism in German literature in his Master's thesis at University of Oregon. At the Department of German Studies at the University of Arizona, he is currently developing research questions surrounding representations and Leftists understandings of the Red Army Faction with support from Professor Ilse Nagelschmidt at Universität Leipzig.
He has taught first and second year German for eight terms at UO and for two terms at the UA. He also served as an English Teaching Assistant and Cultural Ambassador in Graz, Austria as part of the Austrian-American Education Commission's United States Teaching Assisstant program from Fall of 2014 to Spring of 2015. He is currently developing a general education course entitled "Language and Power" with Professor David Gramling
Yannleon’s research interests include Critical Theory, the New Frankfurt School, and dialectics of aesthetics and power, literary and film representations and cultural memory of German leftism and terrorism, and intercultural German didactics.