Su has been a Consultant Paediatrician at Barnet Hospital since 1993. She look after children of all ages and with all conditions. Her special interests include asthma and constipation and she is also very experienced in exploring complex and chronic conditions such as headache, abdominal pain and fatigue. She has written several books include "Your Baby Month by Month" and "Your Premature Baby" published by DK. She was the expert Paediatrican for "Mother and Baby Magazine" for many years and has done a lot of broadcasting. She has three children.