Mr. Hostetler's main research and teaching interests are in strategy, decision-making, leadership, high performance teams, innovation and change management. He has taught classes in the MBA program, Executive MBA program and the Cornell/Queen's MBA program. He is the author of four on-line courses in strategic thinking, scenario planning, leadership and team effectiveness, for eCornell, Cornell's distance learning subsidiary.
He is also involved in the development of custom executive programs at the Johnson School, and has designed programs for a variety of international companies including Siemens, Citigroup, the Oxford University Press, Areva, Sara Lee, Johnson & Johnson, Bausch and Lomb, GlaxoSmithKlein, Hyundai, United Technologies, the Asian Development Bank, LIG, Plansee, the Los Angeles County Sheriff’s Department, Samsung, Victaulic, G4S, the Americana Group and the Schwan Food Co .
As an associate dean at Johnson 1992-2003, Hostetler oversaw all public and custom executive programs. In addition, he oversaw the launch of Johnson’s Executive MBA program and served on the committee that developed the Cornell/Queen's MBA Program.
Prior to joining Cornell University, Hostetler was assistant dean for executive education at the Fuqua School of Business, Duke University. His prior experiences also include positions with St. Mary's Medical Center, the University of Tennessee, and the governor of Kentucky. Hostetler is active in the development of global executive education through the University Consortium for Executive Education (UNICON) and the International Consortium for Executive Development Research (ICEDR). He is an emeritus trustee of UNICON.