Net Worth Over Time
Net Worth Timeline
1996$0.05MD
Professional Debut
Doi begins his professional career, earning a modest income as he starts out.
2004$0.1M+100%C
Japan National Team Call-Up
Being selected for the national team significantly increases his profile and marketability.
2007$0.2M+100%B
Key Player
Becomes a key player for his club, resulting in a higher salary.
2013$0.7M+250%C
Retirement from Playing
Retires from playing professional football, transitioning into coaching.
2014$0.8M+14%C
Goalkeeper Coach Role Begins
Starts working as a goalkeeper coach for various clubs, earning a steady income.
2026$1M+25%C
Continued Coaching Career
Continues to work as a goalkeeper coach, leveraging his experience and knowledge.
Last updated: February 21, 2026