Jen Barber is a fictional character from the British television series The IT Crowd. She serves as the head of the IT department at the fictional company Reynholm Industries. Jen is portrayed by actress Katherine Parkinson and is known for her attempts to manage the socially awkward IT staff, including Roy and Moss. Throughout the series, Jen often finds herself in humorous situations due to her lack of technical knowledge and the eccentric behavior of her colleagues. Despite these challenges, she is a resourceful and determined character, often trying to bridge the gap between the IT department and the rest of the company.