Thomas worked in the NHS as a haematologist for nearly 40 years where she specialised in the care of children with congenital and acquired bleeding disorders, including
leukemia and immune deficiency. Between 1993 and 2017 she was a consultant haematologist for the Royal Hospital for Sick Children, Edinburgh. She became head of the haematology laboratory at RHSC from Jan 1993 until March 2000. Then was the lead clinician for the integrated haematology/biochemistry laboratory in April 2000. She is vice-chair of the
Commission on Human Medicines and chairs the Clinical Trials, Biologicals & Vaccines Expert Advisory Group. She is a Scientific Committee Member and expert with the
European Medicines Agency. She was awarded an
OBE for services to the regulation of public health in the
2018 New Years Honours. She was acting President of the
Royal College of Physicians of Edinburgh (RCPE) from June 2020 through June 2021.
Awards and honours In 2018, Thomas was awarded an OBE for her services to the Regulation of Medicines for the protection and promotion of Public Health. == References ==