Peter Lachman M.D. MPH. M.B.B.Ch., FRCPCH, FCP (SA), FRCPI is Lead Faculty Quality Improvement at the Royal College of Physicians of Ireland (RCPI) in Dublin, where he directs the Leadership and Quality programme to develop clinical leaders in quality improvement. He was Chief Executive Officer of the International Society for Quality in Healthcare (ISQua) from 1st May 2016 to 30th April 2021. He was a Health Foundation Quality Improvement Fellow at IHI in 2005-2006 and developed the quality improvement programme at Great Ormond Street Hospital where he was the Deputy Medical Director with the lead for Patient Safety. He was also a Consultant Paediatrician at the Royal Free Hospital in London specialising in the challenge of long term conditions for children. He is the lead editor of the OUP Handbook on Patient Safety published in April 2022; and Co-Editor of the OUP Handbook on Medical Leadership and Management published in December 2022.