Profile images of Andrew Boge, Hannah Espy, Osama Khalid, and Samantha Warren

This fall, the Center for Teaching welcomed four new graduate teaching fellows for the 2022–2023 academic year. Fellows gain practical experience in the field of educational and faculty development and work with Center for Teaching staff to create their own pedagogical project. 

Hannah Espy 

Portrait of Hannah Espy
Hannah Espy is a PhD candidate in the Department of Sociology and Criminology in her final year. She has a master’s degree in sociology and a certificate in college teaching from the University of Iowa and a bachelor’s degree in sociology from Colorado College. In her research, Hannah analyzes classing processes embedded in the day-to-day practices of preschools using qualitative and big-data methods. As an instructor, Hannah focuses on demystifying the hidden assumptions, unspoken rules, and prerequisite knowledge of academia in pursuit of increasing equitable access in education. She has independently taught courses in the Department of Sociology and Criminology since 2018, including Introduction to Sociology; Inequality, Gender and Society; and Sociology of Networks and will teach Statistics in spring 2023. 

Portrait of Osama Khalid
Osama Khalid 

Osama Khalid is a fourth-year PhD student in the Department of Computer Science and a first-year master's degree student in the linguistics program at the University of Iowa. His research deals with the intersection of technology and society, specifically investigating how language develops in online spaces and how it is used by online communities to construct their identities. He also has a keen interest in making computer science education more accessible. He has been a teaching assistant for undergraduate classes at the University of Iowa for three years.  

Portrait of Andrew Boge
Andrew Parayil Boge 

Andrew Parayil Boge is a PhD candidate in the Department of Communication Studies studying rhetoric, culture, and engagement. He received his bachelor’s degree from Hastings College and his master’s degree from the University of Iowa in rhetoric and public advocacy. Andrew has served as a teaching assistant and instructor of record for the Department of Communication Studies for five years. His research and teaching interests involve critical race studies, anti-Asian racism, and the racial politics of brownness.  

Portrait of Samantha Warren
Samantha Warren 

Samantha Warren is a fourth-year PhD student in the Department of Mathematics. She earned a bachelor’s degree in mathematics and minor in secondary education from the University of Portland, OR, and a master's degree in mathematics from the University of Alaska Fairbanks, AK. Her previous teaching experiences include serving as a teaching assistant, adjunct instructor, and math bridge assistant at the University of Alaska Fairbanks. She also was an adjunct instructor at Kirkwood Community College and ​is currently a teaching assistant at the University of Iowa. Her research ​interests ​include math biology and dynamical systems.

More Information 

Stayed tuned for more from our fellows, including Q&As about their spring 2023 project. For more information about the Center for Teaching Graduate Teaching Fellow program, email Katherine Beydler, assistant director, at