He has taught at Johns Hopkins and NYU and lectured at the Smithsonian Institution and the Library of Congress. Some of his more interesting published essays consider the sacredness of the human body in the work of Ivan Albright and the character of Hannibal Lecter, the function of cover recordings in popular music, and Andy Warhol's “commodified celebrities and celebrity commodities.”  Praeger published his book on binge television (The DVD Novel: How the Way We Watch Television Changed the Television We Watch). He has curated exhibitions of contemporary Korean art. He also makes ritual sculptures for contemporary culture that have been internationally exhibited and collected. He holds a PhD in Art and Culture from the University of Maryland and an MFA in Graphics and Watercolor from Bowling Green University. He has taught at MICA since 2004.