Question: Rolf Pfeifer is currently a visiting professor at a university located in which country ?

<P0-S0> Joseph-Achille Mbembe, known as Achille Mbembe (born 1957), is a Cameroonian philosopher, political theorist, and public intellectual. <P0-S1>  He was born near Otélé in French Cameroons in 1957. <P0-S2>  He obtained his Ph.D. in history at the University of Sorbonne in Paris, France, in 1989. <P0-S3>  He subsequently obtained a D.E.A. in political science at the Institut d’Etudes Politiques in the same city. <P0-S4>  He has held appointments at Columbia University in New York, Brookings Institution in Washington, D.C., University of Pennsylvania, University of California, Berkeley, Yale University, Duke University and Council for the Development of Social Science Research in Africa (CODESRIA) in Dakar, Senegal. <P0-S5>  He was Assistant Professor of History at Columbia University, New York, from 1988-1991, a Senior Research Fellow at the Brookings Institution in Washington, D.C., from 1991 to 1992, Associate Professor of History at the University of Pennsylvania from 1992 to 1996, Executive Director of the Council for the Development of Social Science Research in Africa (Codesria) in Dakar, Senegal, from 1996 to 2000. <P0-S6>  Achille was also a visiting Professor at the University of California, Berkeley, in 2001, and a visiting Professor at Yale University in 2003. <P0-S7>  He is currently a Research Professor in History and Politics at Harvard University's W.E.B. Dubois Research Institute. <SEP> <P1-S0> Roboy is an advanced humanoid robot that was developed at the Artificial Intelligence Laboratory of the University of Zurich, and was publicly presented on March 8, 2013. <P1-S1>  Originally designed to emulate humans with the future possibility of helping out in daily environments, Roboy is a project that has involved both engineers and scientists. <P1-S2>  Initiated in 2012 by Pascal Kaufmann, Roboy is the work of engineers who designed him according to design principles developed by Prof. Dr. Rolf Pfeifer, the AI lab director, in conjunction with the assistance of other development partners. <P1-S3>  Both the team members and the partners of the Roboy project share a commitment toward continued research in the area of soft robotics. <P1-S4>  Later Roboy was moved to Munich, Germany, where Rafael Hostettler conducts research on it at the Technical University. <SEP> <P2-S0> Rolf Pfeifer (born 1947) was professor of computer science at the Department of Informatics University of Zurich, and director of the Artificial Intelligence Laboratory, where he retired from in 2014. <P2-S1>  Currently he is a specially appointed professor at Osaka University, and a visiting professor at Shanghai Jiao Tong University. <SEP> <P3-S0> Shanghai Jiao Tong University (SJTU; ) is a public research university in Shanghai, China. <P3-S1>  Established in 1896 as Nanyang Public School by an imperial edict issued by the Guangxu Emperor, the university is one of the first national institutions of higher learning in China, and renowned as one of the oldest, most prestigious and selective universities in China. <P3-S2>  It is one of the nine members in the C9 League of universities.