JEF United Chiba backroom staff
We hold the names of 27 people on JEF United Chiba's staff for 2025/26, beyond the players. Yoshiyuki Kobayashi manages the first team, with Masataka Sakamoto as assistant manager. JEF United Chiba's is the 17th longest staff list of the 21 J1 League clubs we hold.
Coaching staff
The manager, the assistants and the coaches at every level of the club, 12 people
| NAME | ROLE | TEAM | AGE | NATIONALITY | PREVIOUSLY AT |
|---|---|---|---|---|---|
| Yoshiyuki Kobayashi | Manager | First team | 47 | Japan |  |
| Ken Fujita | Manager | Under-18s | 45 | Japan | - |
| Masataka Sakamoto | Assistant manager | First team | 47 | Japan | - |
| Kentaro Imai | Assistant manager | Under-18s | 40 | Japan | - |
| Masashi Owada | Coach | First team | 43 | Japan | - |
| Shunta Nagai | Coach | First team | 43 | Japan |  |
| Motoki Kawahara | Goalkeeping coach | First team | 41 | Japan | - |
| Masahiro Okamoto | Goalkeeping coach | Under-18s | 42 | Japan | - |
| Ryo Kushino | Goalkeeping coach | Under-18s | 46 | Japan | - |
| Tomonori Tateishi | Goalkeeping coach | Under-18s | 51 | Japan | - |
| Ryota Mizuguchi | Fitness coach | First team | 45 | Japan | - |
| Toru Yamazaki | Fitness coach | First team | 56 | Japan |  |
Medical and sports science
Doctors, physios and sports scientists, 6 people
| NAME | ROLE | TEAM | AGE | NATIONALITY |
|---|---|---|---|---|
| Yohei Kobayashi | Chief doctor | Club-wide | 45 | Japan |
| Naoki Akiyoshi | Physio | First team | 44 | Japan |
| Yusuke Nakao | Head of sports science | Club-wide | 44 | Japan |
| Toshifumi Goto | Sports scientist | First team | 46 | Japan |
| Yuya Okamoto | Sports scientist | First team | 38 | Japan |
| Wataru Nishigata | Sports scientist | Under-18s | 46 | Japan |
Scouting and analysis
Scouts, recruitment analysts and performance analysts, 5 people
| NAME | ROLE | TEAM | AGE | NATIONALITY |
|---|---|---|---|---|
| Mitsuki Ichihara | Scout | Club-wide | 39 | Japan |
| Tsuyoshi Hakkaku | Scout | Club-wide | 40 | Japan |
| Shunsuke Nakano | Performance analyst | First team | 28 | Japan |
| Tsukasa Takahashi | Performance analyst | First team | 27 | Japan |
| Ryo Otsubo | Performance analyst | Under-18s | 32 | Japan |
Football management
The people who run the football side, from the sporting director to the academy, 2 people
| NAME | ROLE | AGE | NATIONALITY | PREVIOUSLY AT |
|---|---|---|---|---|
| Shota Mogaki | Technical director | 35 | Japan | - |
| Masaya Honda | Head of youth development | 51 | Japan | Kyoto Sanga F.C. |
Owners and directors
Who owns JEF United Chiba and sits on its board
| NAME | ROLE | AGE | NATIONALITY |
|---|---|---|---|
| Ko Morimoto | Chair | 56 | Japan |
| Kensuke Akiyama | Director | 57 | Japan |
Backroom staff at every J1 League club
The names we hold at each club in the division, 2025/26
JEF United Chiba's list is the 17th longest of the 21, against a median of 31 across the division. FC Tokyo names the most, 50. Mito Hollyhock names the fewest, 22.
JEF United Chiba against the J1 League, department by department
Names held in each department, beside the average and the most at any one club
| DEPARTMENT | JEF UNITED CHIBA | AVERAGE | MOST | AT |
|---|---|---|---|---|
| Coaching | 12 | 18 | 24 | FC Machida Zelvia |
| Medical and sports science | 6 | 9 | 14 | FC Machida Zelvia |
| Scouting and analysis | 5 | 3 | 9 | FC Tokyo |
| Football management | 2 | 1 | 2 | FC Tokyo |
| Owners and directors | 2 | 2 | 3 | FC Tokyo |
Backrooms the size of JEF United Chiba's, in every league
JEF United Chiba's 27 names make the joint 389th longest staff list of the 815 clubs we hold one for
| # | CLUB | LEAGUE | STAFF |
|---|---|---|---|
| 389 |  | Brasileirão Série A | 27 |
| 389 | Chengdu Rongcheng | Chinese Super League | 27 |
| 389 |  | Super Liga | 27 |
| 389 |  | - | 27 |
| 389 |  | League Two | 27 |
| 389 |  | - | 27 |
| 389 |  | Eredivisie | 27 |
| 389 | Fredrikstad FK | Eliteserien | 27 |
| 389 |  | Süper Lig | 27 |
| 389 |  | Brasileirão Série A | 27 |
| 389 | JEF United Chiba | J1 League | 27 |
| 389 |  | Belgian Pro League | 27 |
| 389 |  | Primeira Liga | 27 |
| 389 | Racing White Daring Molenbeek Brussels | Belgian Challenger Pro League | 27 |
| 389 |  | Belgian Challenger Pro League | 27 |
| 389 | Samsunspor A.Ş. | Süper Lig | 27 |
| 389 | SK Brann | Eliteserien | 27 |
| 389 |  | Bundesliga | 27 |
| 389 | | - | 27 |
| 389 | Zhejiang FC | Chinese Super League | 27 |
| 410 |  | Eredivisie | 26 |
Where JEF United Chiba's former staff work now
On JEF United Chiba's staff in an earlier season and at another club in 2025/26, 3 people
| NAME | ROLE NOW | NOW AT |
|---|---|---|
| Taiga Sugasawa | Coach | FC Machida Zelvia |
| Tetsuo Yuda | Goalkeeping coach | Tokyo Verdy 1969 |
| Jun Yamamoto | Sports scientist | Tokyo Verdy 1969 |
Frequently asked questions
Who is JEF United Chiba's manager?
Yoshiyuki Kobayashi is the JEF United Chiba first-team manager, aged 47. Masataka Sakamoto is the assistant manager.
Who is the goalkeeping coach at JEF United Chiba?
Motoki Kawahara coaches the JEF United Chiba first-team goalkeepers.
Who is JEF United Chiba's technical director?
Shota Mogaki is technical director at JEF United Chiba.
How many backroom staff do JEF United Chiba have?
We hold the names of 27 people on JEF United Chiba's staff for 2025/26: 12 in coaching, 6 in medical and sports science, 5 in scouting and analysis, 2 in football management and 2 owners and directors. That is the 17th longest list of the 21 J1 League clubs we hold, against a median of 31. Across every league we hold, that list is the joint 389th longest of 815.
Where to next
For what JEF United Chiba pays its squad, see JEF United Chiba player wages. What each of these jobs pays across football is on backroom staff wages. Every club in the division is on J1 League wages.