Complex sentence: He is a frequent speaker and/or panelist on a wide range of topics at symposia around the world and is quoted frequently in publications such as "Newsweek," "The Wall Street Journal," The Japan Times and many of Japan's national newspapers.
Split into simpler sentences: He is a frequent speaker and/or panelist on a wide range of topics at symposia around the world. Saito is quoted frequently in publications such as "Newsweek," "The Wall Street Journal," The Japan Times and many of Japan's national newspapers.