Yasuhisa Toyota, DSc.

President, Principal Consultant

Dr. Yasuhisa Toyota is President, and founder, of Nagata Acoustics International. With over 30 years of experience in designing some of the world’s finest performance venues, Dr. Toyota is an established international authority in the field of concert hall design. Continue…

Motoo Komoda

Senior Consultant

Motoo Komoda is Senior Consultant, managing all room acoustics, sound isolation and noise & vibration control consulting services for Nagata Acoustics International. Mr. Komoda has over 25 years of experience in room acoustics, sound isolation and noise & vibration control. Continue…

Marc Quiquerez


Marc Quiquerez joined Nagata Acoustics in Los Angeles in 2006 upon graduation. Marc earned a MSc in Engineering and a MRes in Acoustics from Ecole Centrale de Lyon (France), one of the top French schools of engineering. In 2008, after 2 years in Los Angeles office, he moved back to France to staff the newly opened Paris Office.

Erik Bergal


Erik Bergal joined Nagata Acoustics in 2013 upon graduation. Erik graduated from the University of Colorado-Boulder with a BS in Civil Engineering, specializing in structures and a BA in Music, concentrating in piano performance. Currently back in Los Angeles, Erik spent nearly two year in the Paris office.

Noémie Liotard


Noémie Liotard joined Nagata Acoustics in 2017 with four year’s experience in building acoustics. Noémie studied at the engineering school ENSIM at the University of Le Mans (France) and Polytechnique Montréal (Canada) to graduate as an engineer specializing in acoustic. Her strong interest in room acoustic comes from her passion for music through her education in music theory and cello.


Mariko Nagai

Ikue Tsutsumi