Masaru Onishi was born on May19,1955 in Osaka,Japan. After graduating Tokyo University with a Bachelor's in engineering,he joined Japan Airlines in April 1978.
He started his carrer with Japan Airlines in the Heavy Maintenance Department in Narita Maintenance Center.He also received the Aircraft Maintenance Engineer Certificate Class 1 for Boeing747.
He was appointed President of Japan Airlines Co,Ltd in February 2010, and spearheaded the company's unprecedented scale of corporate restructuring. In January 2012,Onishi was elected Representative Director and Chsairman of Japan Airlines Co,Ltd. He took on the role of Chairman in February 2012,and Japan Airlines relisted on the Tokyo Stock Exchange on September 19,2012.
He was appointed Chairman of Japan Airlines Co,Ltd in April 2014.