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.

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.