Milan Zeleny (born January 22, 1942) is a Czech American economist, currently a professor of management systems at Fordham University, New York City. He has done research in the field of decision-making, productivity, knowledge management, and business economics.Zeleny is also a visiting professor at the Tomas Bata University in Zlín, Czech Republic, and has been academic vice dean and professor at Xidian University in Xi’an, China. He is a distinguished visiting professor at Fu Jen Catholic University in Taipei in 2006, at the Indian Institute of Technology in Kanpur in 2007, and at IBMEC in Rio de Janeiro in 2009–10. For many years he has lectured at the Faculty of Architecture, University of Naples.