Dr. Mazhar Ur Rehman is a fully UK Qualified & trained Cardiothoracic Surgeon and has worked as Consultant Cardio surgeon in both UK and KSA. He has an extensive experience of 25 Years of Cardiac & Thoracic Surgery and has served at senior positions in various capacities including Ex-Chief Cardiac Surgeon, Punjab Institute of Cardiology, Lahore and Head and Consultant Cardiothoracic Surgeon, Sharif Medical City & Sharif Medical & Dental College ,Lahore. He has worked in Kingdom of Saudia Arabia (KSA), as Ex Chief Cardiac Surgeon NGHA, Jeddah, KSA and Member of ECMO service NGHA, Jeddah ,KSA, .He has also served in UK hopsitals in capacity of Consultant Cardiothoracic Surgeon at Royal Wolverhampton, NHS Trust, UK and at Northern General Hospital, Sheffield, UK. He has also remained at academic positions including as Former HEC Professor of Cardiothoracic Surgery, King Edward Medical University, Lahore and Former Foreign Faculty Higher Education Commission, Pakistan.