Hani Marcus is an experienced consultant neurosurgeon at the National Hospital for Neurology and Neurosurgery and Honorary Associate Professor at the UCL Queen Square Institute of Neurology. He specialises in treating patients with pituitary adenoma and related skull base tumours and his expertise lies in the use of “keyhole” endoscopic approaches, completing fellowships in Calgary, Zurich, and London before his appointment.

He has led the largest prospective study of patients undergoing pituitary surgery worldwide, including 866 patients across 30 centres in the United Kingdom and Ireland and has also authored international guidelines on pituitary surgery through the Pituitary Society, where he has served on several committees. He is also deeply invested in marrying advanced technologies like AI and robotics with surgical procedures, aiming to improve patient outcomes.