Satoshi Nishida is an Senior Research Manager at DENTSU. He joined DENTSU in 2001 and handled media planning including marketing ROI. He has been active in many conferences in the field of marketing science. Currently he serves as marketing strategy consultant for various clients and specializes in the research of Word-Of-Mouth , Social Media and Big Data. Prior to this, he received MA(2001) and BA(1999) degrees in Civil Engineering from the University of Kyoto.