Mr. Ono joined MITSUI E&S (MES) in 2002 as a Service Engineer at MES Technoservice Co., Ltd.
In 2014, he was appointed Managing Director of MES Technoservice (Shanghai) Co., Ltd.

After returning to Japan in 2019, Mr. Ono took on the position of Sales Manager in the
MES-M Technoservice Department and was promoted to General Manager of the department in 2021.

Since 2023, he has been serving as Assistant General Manager at the Technoservice Center of MITSUI E&S Co., Ltd.

Mr. Ono holds a Bachelor of Engineering from Tokushima University.