Masao Ishihara

Masao Ishihara has been active with the LEGO SERIOUS PLAY method since 2008, where he co-founded Rasmussen Consulting, Japan with his partner, Takashi Hasunuma. Since then Masao has delivered LEGO SERIOUS PLAY workshops to institutions in a variety of industries in Japan including manufacturing, finance, services and universities.
Masao worked with LEGO Education in Japan from 1997 to 2012. He has a strong passion for helping children and adults, to discover new ideas of anything including about themselves. He is a firm believer of constructionism. In an attempt to apply constructionism to youth education, Masao has also worked with promoting STEM (Science Technology Engineering and Math) education in schools in Asia and USA. Today Masao almost exclusively works with LEGO SERIOUS PLAY in Japan together with Takasi Hasunuma.

Masao was born in Aichi prefecture, Japan. He speaks Japanese and English. He has a Master’s degree from Boston University, Boston, USA and a visiting professor at universities including Silliman University, Dumaguete, Philippines. He lives in Tokyo, Japan and Cebu, Philippines.

contact info

Robert Rasmussen and Associates, Japan
Bancho Heim 502, 1-2 Nibancho, Chiyoda-ku, Tokyo, 102-0084
Phone : +81 80 9171 1216 or +81 90 8179 5757

contact masao


Currently we are twelve trainer-of-facilitator and 2 master trainers. All have extensive proven end-user experience have all gone through 3 – 4 years of “apprenticeship style” training to qualify as trainer-of-facilitator. All trainers are continuously being supervised and monitored for quality and consistency in delivery.

Contact information for each trainer under "TRAINER"


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The Assocation of Master Trainers in the LEGO SERIOUS PLAY Method
Porcelænshaven 3N
2000 Frederiksberg
VAT: DK 35975527

Robert Rasmussen
Tel: +45 27642350

Per Kristiansen
Tel: +4527111812