Multi-media show director, Koyama Masami was born in 1952 at Nara city in Japan. He learned Photography at Nippon University of Art.
Since he started working as a leading laser artist, he never stopped to make full use of a diverse rage of light, water, fire and image with music for his show which spins fantastic stories into space. These events led to high praise both in and out of Japan for Koyama and his efforts to expand his creation as Multi-media show spectacles.
He is working on for his World of Dream in Asian countries, since he established his network in Korea and China.
| 1952 | Born in Nara. |
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| 1976 | Graduated from Nihon University College of Art(photography course) |
| 1978 | Graduated from Nihon University College of Art(Laboratory) |
| 1985 | Joined Ray Corporation, CO., LTD. |
| 1992 | Sanriku Ocean's Expo |
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| 1993 | Water of City-Osaka,Loveland. |
| 1994 | Ito Water Fantasy 94 |
| 1995 | Matsue Water Fantasy |
| 1996 | 400th Anniversary of Okayama event |
| 1997 | 97 Bolshoi Circus Opening Event |
| 1998 | Himeji Welcome 21 |
| 1999 | Tsuruga Kirameki Minato Exposition Kirameki Ocean Fantasy |
| 2001 | Japan Expo 2001 In Fukushima: Twilight Dream Kobe Meriken Park Light Pageant |
| 2003 | Sizuoka Construction Celebration Harbor Dream 2003 |
| 2005 | Expo 2005 Aichi Japan: Nagakute Nippon-Kan Zone 3 Expo 2005 Aichi Japan: BioLung Symphony – Circulate – |
| 2006 | Love and ring Huis Ten Bosch Kansai Electric Power Building Light up |
| 2007 | Gyeongju World Culture Expo, South Korea Kansai Electric Power Building Light up Illumination of Higashi Yokobori River |
| 2009 | Tokyo Midtown， Midtown Waterworks |
| 2010 | The "Sun Tower" Light up Ceremony Producer of Osaka Pavilion in Expo 2010 Shanghai China Tokyo Midtown， Midtown Waterworks Expo 2010 Shanghai China Private Enterprises Joint Pavilion Multimedia Show, Nanjing, China |