Masami Kato began his career at Sony Corporation as product manager on cutting-edge digital consumer electronics. He worked on VAIO laptop computers, coordinating product creation, as well as devising product introduction plans for more than ten European countries. Following his career at Sony, he joined McKinsey's Tokyo office as a management consultant to assist Japanese corporations in projects including strategy formation, corporate branding, procurement optimization, and fixed-capital usage optimization.

He joined NSV in 2007 to engage with Silicon Valley to aid clients in creating new services and products for the digital network era. In these projects he was actively involved in the conceptualization and creation of new business by leveraging insights and technologies born in Silicon Valley. He is also co-founder and advisor of VentureScanner, an NSV spin-out startups.