Karin is a middle-aged woman with black hair done up into a pony tail, pale skin and brown eyes. Karin is commonly seen wearing a casual black shirt, but has also been seen wearing a cream-coloured jacket with a V-neck t-shirt of the same colour.
Karin is first introduced as an assistant to the Israeli Prime Minister; Sefi Sahal, in the fight against the deadly virus that the Client was planning to unleash at a peace conference, helping to produce the anti-body.
During the third season, Karin is responsible for the astronaut programme, overseeing Ellali's transition into the programme. She also becomes Guri's partner in the police force , after Guri divorces Naomi.