Our Governors

David was educated at Trinity School and studied History and then Law at The Queen’s College Oxford. He worked for a firm of lawyers in Los Angeles for a year before taking a postgraduate LL.B at Cambridge University and qualifying as a barrister in 1975. He spent his career in Whitehall. He was Director General of the Attorney General’s Office from 1997 to 2000 and was Legal Adviser and Director General at the Home Office from 2000 until his retirement in 2012. He received a CB in the New Year’s Honours List in 2005. He was elected a Bencher of Gray’s Inn in 2001 and elected to the Management Committee of the Inn in 2011. He has been Chairman of Reigate Squash Club and of the Remuneration Committee at The Queen’s College Oxford. In 2013 he was appointed by the Secretary of State as the Independent Reviewer of Justice and Security in Northern Ireland. In 2015 he became Chair of the Trinity School Committee and a member of the Court of the John Whitgift Foundation.

Contact the Chairman of the Trinity School Committee c/o Headmaster’s PA Trinity School, Shirley Park, Croydon, CR9 7AT

Marcia is an Executive Coach, Diversity and Inclusion Consultant and experienced in inclusive leadership development. She holds a BSc (Hons) in Life Science & Physiology and MA in Child Studies & the Developing Law. Marcia is founder and managing director of an executive coaching and consulting company specialising in leadership and diversity coaching. She works with both C-suite executives, high performing teams and new emerging talent. As a coach and leadership DEI expert and facilitator Marcia leads and provides training for Ethic Diversity Leadership programmes for global organisations.

Marcia is a champion for equity, diversity and women’s advancement. She has served as Vice Chair for One World Action (an NGO), and as a business coach and mentor for women entrepreneurs overseas with the Cherie Blair Foundation and Micro- Rainbow International. As a as well-respected speaker on gender equality, leadership and the advancement of women, Marcia currently serves as co-chair of a charity campaigning to end violence against women.  Marcia is passionate about education and holds Board governor positions at Trinity School and Kimbolton School in Cambridgeshire. Marcia is a current parent and Chair of Trinity Parents’ Association.

Chris was educated at Trinity between 1991 and 1998. He is the Managing Director of award winning Walter Lilly & Company Limited, a well renowned and long established Croydon based construction company. He holds a BSc (Hons) Construction Engineering Management and Diploma of Industrial Studies, FCIOB. Chris is Chair of the TSC Estates sub-committee.

Warwick was educated at Trinity School and Pembroke College, Cambridge. After qualifying as a chartered accountant in 1976 he spent most of his career in financial services and banking. He was finance director of a number of commercial organisations until 2006, when he was appointed Finance Director of the Bank of England, a position he held until he retired in 2013. He is the Treasurer of the charity Family Lives, a national charity supporting parents and the wider family, and a member of the Council of the Trinity Midwhitgiftian Association, the school’s former pupils’ association. Warwick is Chair of the TSC Finance sub-committee.

Asif trained with Arthur Andersen and qualified as a Chartered Accountant in 2001. Since then he has worked in the banking sector as an Internal Auditor. Since 2003, he has worked in Group Internal Audit at UBS AG and is currently a Managing Director having held various roles in both the UK and Switzerland. Asif is also a member of ICAEW’s Regulatory Board, which is responsible for the regulatory and disciplinary functions of ICAEW. Asif has a son currently attending Trinity and a daughter in the Sixth Form.

Terence is an award-winning subject matter expert in graduate and early careers, MBA and experienced in talent acquisition and development issues.  He has held senior HR roles at various global financial services organisations including Towers Watson, Dresdner Kleinwort Wasserstein, JP Morgan, KPMG and BNP Paribas and currently works for Wells Fargo. Terence is a Fellow of Chartered Institute of Personnel and Development (FCIPD), Fellow of Royal Society for the encouragement of Arts, Manufactures and Commerce (FRSA), Member of British Psychological Society (BPS) with Level B Full status in psychometrics, Member of Academy of Executive Coaches (AoEC), Fellow of Institute of Student Employers (FISE) and Social Mobility Forum mentor.

Paul is a former Trinity parent. After graduating from Bristol University, he joined the Metropolitan Police where he served in many operational roles, both uniform and detective, before becoming the Borough commander for Croydon in 2000.  As a chief police officer, he subsequently took responsibility for borough-based policing across southeast London. Paul also worked for Her Majesty’s Inspectorate of Constabulary, on strategic and business planning for the MPS, and as chief of staff for the Association of Chief Police Officers.  His final role in policing was as deputy chief constable and D/CEO at the National Policing Improvement Agency, providing a wide range of services to police forces across the UK and abroad. After leaving policing in 2013, he gained an MSc in Geoscience and then a PhD from UCL, where he currently works as a scientist studying past climate conditions.  Paul chaired the joint committee of NHS clinical commissioning groups in southeast London and volunteers as a youth mentor.

Temi works as an Investment Professional at Marshall Wace, having previously held various roles across Global Markets and Research at J.P. Morgan. He grew up in Croydon (leaving Trinity in 2010) and holds a Masters in Chemical Engineering (M.Eng) and an MBA from Imperial College London. Outside of his career he is passionate about education, socio-economic development as well as community service and has run several local and national initiatives across these areas.

Roy was educated at Trinity School. After graduating from Exeter University, Roy joined Advanced 365, a UK IT managed service and software business, and is now Managing Director. Roy is a member of the Old Mid-Whitgiftians and plays hockey for them regularly, having also been club captain.

Having completed her degree in German and Russian at Queen Mary and Westfield College, London and a PGCE at the Institute of Education, Astrid started her teaching career at Dartford Grammar School for Boys before moving to Colfe’s School where in the course of 12 years, she became Head of German and later Head of Modern Languages and finally Academic Co-ordinator. She has spent the last 13 years at Alleyn’s School first as Director of Studies and later as Deputy Head Academic. Astrid is Chair of the TSC Teaching and Learning Sub-Committee.

Chris Butler

Chris is the Managing Director of award winning Walter Lilly & Company Limited, a well renowned and long established Croydon based construction company. He holds a BSc (Hons) Construction Engineering Management and Diploma of Industrial Studies, FCIOB. Chris is Chair of the TSC Estates sub-committee.

Emma Shirbon

Emma is currently Assistant Director Compliance and Performance for University College London within the Estates team. Emma has 16 years’ experience and knowledge of the operational management of a large Estate alongside academic activities and building development. Prior to joining UCL, Emma worked for Costain as a Safety, Health and Environmental Manager, on railway construction projects including St Pancras and Kings Cross Underground Station.  

Emma is a Chartered Member of the Institute of Occupational Safety and Health (IOSH), she holds BSc (Hons) Occupational Health and Safety Management and MSc Environmental Management for Business.

Luke Driscoll

Richard Glennie

Richard is currently working as EMEA Communications Director for Nike, based in the Netherlands, where he is responsible for the development of creative and strategic geo-wide strategies in support of the brand and business. This role involves working with some of the world’s biggest athletes, teams and partners. Prior to Nike, Richard held senior level roles including EMEA Communications Director at Reebok, running the global collaboration with Emporio Armani as well as European Marketing  Communications Director at Tommy Hilfiger. Richard has also worked for WPP’s flagship communications consultancy Hill & Knowlton, with clients including Adidas and the Rugby Football Union, and has published work with leading retail analysts WGSN. Educated at Trinity School and Loughborough University, where he graduated in English and Art History, Richard has also studied at Central St Martin’s and the British Institute of Florence.

Terence Perrin

Terence has held senior roles at global organisations including Towers Watson, Dresdner Kleinwort Wasserstein, JP Morgan, KPMG and BNP Paribas. Terence is a subject matter expert in graduate and early careers, MBA and experienced in talent acquisition and development. He regularly presents at global conferences and is an experienced HR professional with a focus on executive coaching, talent management and development and recruitment. Terence is Chair of the TSC External Relations sub-committee.

David Boxall

When David left Trinity School in 1982 he studied design and completed an MA at Central Saint Martins. He managed an international engineering design consultancy for ten years, specialising in long-span bridges. In 1997 he founded a digital design agency, 301 Design, delivering branding, marketing and publishing solutions to businesses such as Johnson & Johnson, Institution of Civil Engineers and Novartis. He continues to lead the design agency and also set up an IT recruitment agency, GEO20, in 2016. David is a keen sportsman and has been Captain of Surrey County Golf and an England Golf selector.

Rachel Fletcher

Rachel is the co-founder and CEO of a global higher education sector technology and services business, helping universities connect more meaningfully with their prospective students. Rachel provides the strategic vision and orchestrates high quality execution – working with multi-disciplinary teams locally and around the world, leading 300+ employees. Rachel led the business to a successful exit in 2021, and continues to lead and contribute as a member of the parent company’s Executive Management Team. For several years she was a Trustee of the charity, Interim Spaces, set up to create affordable co-working space in the UK for people in the creative industries. A Brit by birth, Rachel grew up in New Zealand and has studied in five different countries, gaining three degrees in arts and business-based subjects. She is a current parent and has been a class rep as part of the TPA.  

Patricia Charlery Leon

Patricia is an experienced marketing consultant with more than 25 years’ experience, mainly within the travel and tourism industry. She has a degree in Business Studies and started her career in event management. She spent 12 years with the Saint Lucia Tourist Board, six of those as the Director of Marketing, UK and Europe. She was responsible for setting-up the UK office and appointing representatives for Germany and France.  Following a career break in 2012, she spent four years as a freelance marketing consultant in the travel sector.

In 2017 she founded her own sales and marketing consultancy, PCL Marketing Ltd, securing the contract for the Saint Lucia Tourism Authority (SLTA) in the UK. In her position as the UK & European Director for the SLTA, Patricia regularly advises senior members of the Saint Lucian Government, including the High Commissioner and the Minister for Tourism for Saint Lucia.  Under her tenure, Saint Lucia transformed from a relatively unknown Caribbean island to an award-winning destination with high awareness and strong arrivals from the UK. She has held various senior positions on committees including the Caribbean Tourism Organisation.  Prior to her role on the Trinity Governing Board, she served as an active Parent Governor at Ridgway Primary School in South Croydon for seven years.

Neil Raishbrook

Neil was educated at Trinity School, leaving in 1977 (39 years before his son who left in 2016) and then Hull University where he studied economics. After qualifying as a chartered accountant, he spent his career working in the Group Finance functions of FTSE 250 listed groups. He lives in Oxted with his wife, two boys, two cats and dog.

Roy Wood

Roy was educated at Trinity School. After graduating from Exeter Univeristy, Roy joined Advanced 365, a UK IT managed service and software business, and is now Managing Director. Roy is a member of the Old Mid-Whitgiftians and plays hockey for them regularly, having also been club captain.

Andrew Thomas

Andrew was educated at Trinity School, Cardiff University and Chester College of Law. After completing his training contract with Linklaters, he worked in Hong Kong and then London for most of his legal career and is currently head of projects and project finance at HFW, a London-based, international law firm. He is a visiting lecturer at SOAS, a fellow of the American College of Investment Counsel, a board member of the Canada Club and a Freeman of the City of London.

Nicholas Karelis

Astrid McAuliffe

Having completed her degree in German and Russian at Queen Mary and Westfield College, London and a PGCE at the Institute of Education, Astrid started her teaching career at Dartford Grammar School for Boys before moving to Colfe’s School where in the course of 12 years, she became Head of German and later Head of Modern Languages and finally Academic Co-ordinator. She has spent the last 13 years at Alleyn’s School first as Director of Studies and later as Deputy Head Academic. Astrid is Chair of the TSC Teaching and Learning Sub-Committee.

Tim Broyd

Professor Tim Broyd is an alumnus and ex-parent with previous experience as a governor. He is currently Group Director for Technology and Innovation at Halcrow, an engineering design consultancy, and a visiting Professor at the universities of Reading and Dundee.

Jude Lowson

Jude Lowson joined The King’s School, Canterbury as headteacher in Autumn 2023. Her career incorporates a wide range of experience from both co-educational and single-sex day and boarding schools, including Whitgift School, King’s College School, Wimbledon and Putney High GDST.

Growing up in Belgium, she was educated at Sevenoaks School and the University of Cambridge, where she gained a Masters in History and a Diploma in Management Studies. She then worked as a strategist in one of the UK’s leading advertising agencies before beginning her teaching career.

Rohit Mathur

Rohit Mathur is an Investment Partner at Gresham House, a London HQ alternatives investment house. He advises technology start-ups, especially those in the Fintech, Enterprise and AI fields. Previously, he held senior roles at Barclays Bank, and EY in London and has also been on the Board of various organisations and educational institutes in the UK and abroad. He has an MBA (AT Kearney Scholar and Director’s List) from Manchester Business School and a B.Eng. in Electronics Engineering from Agra University, India. He is passionate about learning and growth and how to continue building it in the fast-moving AI world we find ourselves in.

Dr Paul Minton

Paul is a former Trinity parent. After graduating from Bristol University, he joined the Metropolitan Police where he served in many operational roles, both uniform and detective, before becoming the Borough commander for Croydon in 2000.  As a chief police officer, he subsequently took responsibility for borough-based policing across southeast London. Paul also worked for Her Majesty’s Inspectorate of Constabulary, on strategic and business planning for the MPS, and as chief of staff for the Association of Chief Police Officers.  His final role in policing was as deputy chief constable and D/CEO at the National Policing Improvement Agency, providing a wide range of services to police forces across the UK and abroad. After leaving policing in 2013, he gained an MSc in Geoscience and then a PhD from UCL, where he currently works as a scientist studying past climate conditions.  Paul chaired the joint committee of NHS clinical commissioning groups in southeast London and volunteers as a youth mentor.  

Christopher Tolman

Christopher was educated at Trinity School and Christ Church, Oxford. After graduating with First Class Honours in Philosophy, Politics and Economics (PPE) in 1998, he spent three years teaching at St Albans School before moving to Harrow School in 2001. At Harrow he spent nine years as Head of Economics and ten years as Master in Charge of Oxbridge Applications. Since 2012 he has been House Master of The Grove, one of Harrow’s 12 boarding houses. Having been a member of Trinity Boys Choir, Christopher remains a keen singer and musician. He is also a governor at Lockers Park School in Hertfordshire.

Phil Willis

Phil was educated at Trinity and his son is a Trinity alumnus. He is now retired having worked as a superintendent in the Metropolitan Police.

Shiraz Khan   

Shiraz was educated at Trinity School. Qualifying as a teacher in 2000, he has worked as a senior leader leading school improvement for two of the largest multi-academy trusts and for six London local authorities. Shiraz is currently serving as Principal and is also a Fellow of both the Chartered College of Teaching and Royal Society of Arts.