[3] After graduating from the University of Tokyo in 1986, Yoshida joined the Ground Self-Defense Force Officer Candidate School, and was appointed as Chief Sergeant.

In March 1992, Yoshida served as a General Course Instructor under the Ordinary Course Teaching Regiment, before completing the Ground Self-Defense Force Command and Staff Course (39th term) in August 1993.

Yoshida was named Head of the Business Planning Group, Defense Department in April 2007, before serving as a Regiment Commander of the 39th Infantry Regiment on March 24, 2009, where he also subsequently served as Camp Commander of Camp Hirosaki at Hirosaki, located in Aomori Prefecture, which is under the jurisdiction of the 9th Division.

On 26 March 2021, Yoshida was appointed to the Chief of the Ground Staff of the JGSDF, the highest position in the service.

As Chief of the Ground Staff, Yoshida collaborated with various leaders aimed to enhance partnerships within the Asia-Pacific Region.

[8] On 24 June 2021, Yoshida had announced that he had a telephone conference with the Indian Chief of Defence Staff Bipin Rawat, where they expanded defense ties between the two countries.