Staff A-Z

Great Ormond Street Hospital has a dedicated and tireless workforce looking after the care requirements of our patients. If you would like to locate a member of staff or find out information about their clinical specialty please use our search below.

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.