As a third generation Jamaican, brought up in Cardiff, Tess is a traditionalist; if there's a rule book then she's swallowed it. She may be viewed as a kill-joy and inflexible, but her heart is in the right place - rules are there for a reason: the wellbeing and safety of the ED and its staff.
Tess cares deeply for her colleagues and will do anything for them. She loves spending time with her family, and she is a regular church goer, but not a holier than thou type. Her immaculate, business-like front masks a wicked, dry, sense of humour.
(Source: BBC)
