Staff A-Z

We have a passionate and committed staff dedicated to caring for the children at Great Ormond Street Hospital. To find out more about a member of staff, their clinical specialty or to contact them, please use the search below.

Victor Tsang

Professor Victor Tsang is Consultant Cardiac Surgeon at Great Ormond Street and St Bartholomew’s Hospitals, and Professor of Cardiac Surgery, University College London. 

Martin Kostolny

Mr Martin Kostolny trained at the Heart Centre in Bratislava, Slovakia under Prof. Hraska and at the German Heart Centre Munich, Germany under Prof. Lange. In 2003 he spent a year as senior registrar at GOSH with Prof. deLeval, Prof. Tsang and Prof. Elliott.

Tain-Yen Hsia

Dr T-Y Hsia is a Consultant Cardiothoracic Surgeon. He has worked at Great Ormond Street Hospital for five years and is currently surgical lead for the heart transplantation and mechanical assist program. He also leads the Grown Up Congenital Heart Surgery service at Barts Hospital.

Owase Jeelani

Mr Owase Jeelani is a Consultant Paediatric Neurosurgeon and has worked at Great Ormond Street Hospital for Children (GOSH) part time since 2000 and full time since 2009.