OUR PEOPLE

Peter Khoury joined SJEHG as Deputy Financial Controller in 2008 and became Financial Controller in 2014. He gained his financial qualifications at North Park University in Chicago where he earned the prestigious ‘Who’s Who Among Students in American Universities’ award for outstanding academic achievement. Peter was an auditor for KPMG and was Accounts Manager at The Lutheran World Federation / Augusta Victoria Hospital. Peter is also a member of the American Institute of Certified Public Accountants, The Texas Society of Certified Public Accountants, and the Arab Society of Certified Accountants. He was appointed Joint CEO in October 2017 and has been Director of Finance since June 2019.

Dr Ahmad Ma’ali joined the SJEHG family in 1990 as a student nurse, successfully completing his secondment at Greenwich University in 1996 followed by a six-month postgraduate specialist ophthalmic nursing course at London’s Moorfields Eye Hospital. In 1999, he was certified with a Nurse Tutor Diploma by the Bolton Institute. Thereafter, he returned to Jerusalem where he assumed the role as clinic Charge Nurse for one year, and in 2000 took responsibility for course leadership at the Sir Stephen Miller School of Nursing. He was also responsible for infection control, acted as clinical services coordinator, and gained a master’s degree in public health management at Al Quds University in 2003. In May 2009, Dr Ma’ali made SJEHG history as the first Palestinian Nursing Director. In 2017, he attained a PhD in Advanced Nursing Practice at De Montfort University and, after 10 years as Director of Nursing and Allied Health Professions, building relations with staff, students and patients, he was appointed as an interim Joint CEO with Peter Khoury in September 2017. In May 2019 Dr Ma’ali became our first Palestinian CEO.

Ms. Helen Winterton serves as His Majesty’s Consul-General to Jerusalem, succeeding Ms. Diane Corner OBE. She took up her appointment in December 2024. Ms. Winterton has an extensive diplomatic career, having served as His Majesty’s Ambassador to Tunis from 2021 to 2024. Prior to that, she underwent full-time Arabic language training from 2020 to 2021. From 2018 to 2020, she was the Deputy Director for the Arabian Peninsula in the Middle East and North Africa Directorate at the Foreign, Commonwealth & Development Office (FCDO). Between 2012 and 2014, she was the Deputy Director for the Middle East and North Africa at the Department for International Development (DFID). Earlier in her career, she was Head of the DFID Office in Jerusalem from 2009 to 2012 and Private Secretary to the Secretary of State at DFID from 2007 to 2009. She also held roles in the Middle East & North Africa Department at DFID from 2006 to 2007 and served as Deputy Head of DFID Iraq in Baghdad in 2005. In 2004, she worked as a Deputy Programme Manager in Addis Ababa.

Joachim von Einem was a lawyer and notary public in his own office for more than 40 years in Bremen, Germany. He joined the Johanniterorden in 1976 taking over several functions within the order. From 2008 to 2022 he was the Governing Commander of the Hannover Commandery, covering most parts of Northern Germany. Joachim joined the Board in June 2023.

Dr David Pyott is the former Chairman and CEO of Allergan Inc. During his tenure, Allergan was transformed from a small eye care business with about $1 billion in sales to a global company, with sales over $7 billion. Dr Pyott is a member of the Board of several U.S. pharmaceutical companies and a member of the Supervisory Board of Royal Philips. He is Chairman of the Board of Governors of London Business School, a Trustee of the California Institute of Technology, President of the Advisory Board of the Foundation of the American Academy of Ophthalmology and is also involved on the Boards of many other U.S. and international eyecare charities. Dr Pyott and his wife, Molly, are Members of the Priory of the USA and stalwart supporters of SJEHG. Dr Pyott joined the Board in October 2020.

John Macaskill was a Founding Partner and Managing Director of Groton Partners, a Private Equity firm based in New York. Mr Macaskill joined Groton Partners in March 2005 and focused his efforts on alternative investments, including Private Equity. Mr Macaskill is a General Partner in several private equity and real estate funds and has spent the last forty years in the financial services industry in New York and London. He is a member (retired) of the Institute of Chartered Accountants of Scotland, and a Chapter Member of the Priory in the United States of the Order of St John. He joined the Board in January 2018. He is also the treasurer of the Priory of the USA.

Ismat Levin joined the Board as a Trustee in January 2022. Ismat trained and practiced as a solicitor at City law firm Dentons following which she has spent 30 years as General Counsel for commercial, international growth and technology-led industries listed on NASDAQ or in private equity contexts. She has substantial experience of intellectual property licensing, governance, risk management and regulation. Ismat has served as a committee member for the Royal College of Radiologists (2016- 2020) and on the Board of LXi REIT plc, a real estate investment trust and FTSE 250 company, listed on the London Stock Exchange, as Non-Executive Director between 2022 and 2024 until it was merged with Secure Income REIT plc. Ismat has served as a Magistrate on the North West London Bench since April 2015.

Tim Jones is a retired solicitor, Chair of Trustees of homelessness charity The Connection at St Martins, a trustee of the Safer London charity and of the National Botanic Garden of Wales and a school governor. Tim was formerly a partner in the law firm Freshfields Bruckhaus Deringer LLP working on a wide range of corporate and commercial projects internationally. He was managing partner of the London office between 2007 and 2011 and worked in the Madrid office between 1994 and 2000. Tim joined the Board in November 2019.  

Jamie Ingham Clark is a Chartered Accountant and pursued a career in the Lloyd’s insurance market, where he had many years’ board experience as either Finance or Compliance Director. He served on the Court of Common Council (the local authority for the City of London) from 2013 and was the Chairman of its Finance Committee until March 2022. He is a Liveryman of the Clothworker’s and Pattenmaker’s Companies and is a member of the Knights Templar. Jamie has been involved with The Order of St John for over 40 years as a member of the Ceremonial Staff and is currently the Sword Bearer. He is the retired as Lay Chair of The Guild Church Council of St. Lawrence Jewry-next-Guildhall in April 2025. He joined the Board in 2017.  

Paul Hackwood is the CEO and General Secretary of Toc H, a national community development charity. He is ordained in the Church of England and a Canon at Leicester Cathedral. Paul has extensive experience in management and governance within the not-for-profit sector and has held non-executive roles in both the NHS and the Police Service. He previously served as CEO of the Ampleforth Abbey Trust and the Church Urban Fund, where he established the Together Network, supporting communities in deprived areas across the UK, and the Near Neighbours Programme, fostering relationships between faith communities. He has also held the role of Archdeacon of Loughborough. Until recently, Paul was a Trustee of the Henry Smith Charity and currently chairs its Clergy and Projects Group. He joined the Board in January 2022.