Roy Yamaguchi was previously married to Janne Yamaguchi.
Hell's Kitchen - Season 21
Top Chef - Season 3
Hell's Kitchen - Season 6
Top Chef - Season 21
Hell's Kitchen - Season 12
Top Chef - Season 4
The Talk - Season 13
Hell's Kitchen - Season 15
Top Chef - Season 14
Hell's Kitchen - Season 14
Hell's Kitchen - Season 9
Magnum P.I. - Season 5
Hell's Kitchen - Season 19
Hell's Kitchen - Season 22
Top Chef - Season 19
Top Chef - Season 8
Cupcake Wars - Season 1
Top Chef - Season 13
Top Chef - Season 9
Top Chef - Season 2
Hell's Kitchen - Season 11
Top Chef - Season 15
Top Chef - Season 20
Hell's Kitchen - Season 20
Top Chef - Season 10
Top Chef - Season 11