This information hasn't been mentioned in the show, he generally works for himself.
Kat's maiden name on Eastenders is Slater.
Zoe Slater
Robert Kazinsky
Sean Slater
Robert Kazinsky
Roxanne Lizette Mitchell (also Slater)
Stacey Slater (off Eastenders) real name is Lacey turner.
Stacey will name her baby some time this week 28/6/10-2/6/10 and she will name it lily
Bret Slater's birth name is Breton Slater.
Callison Slater's birth name is Callison Temple Slater.
Bill Slater's birth name is William E. Slater.
Britt Slater's birth name is Brittany Kathleen Slater.