Meet our Board and Executive Team
Executive
The day-to-day running of the organisation and our licensing and inspection operations are managed by a small core team, which is split into four directorates and led by a Chief Executive.

Dr Colin Sullivan became Chief Executive of the HTA in January 2022. Colin was previously the Chief Operating Officer at the Food Standards Agency, where he led 700 Field Operations staff including vets and meat hygiene inspectors in abattoirs as well as the professionals undertaking audits and unannounced inspections. Whilst at the FSA, Colin also led the FSA’s response to Food Incidents, the National Food Crime Unit and was the FSA’s Covid Incident Director. Colin is committed to progressing equality, diversity and inclusion and was the FSA Champion for two aspects - Faith & Belief and Anti-Bullying & Harassment.
He joined the Senior Civil Service in 2008 as Operations Director of the Northern Ireland Social Security Agency, before becoming the Director for Universal Credit in Northern Ireland in 2011. In 2013, Colin was promoted to Director of Strategic Policy & Reform within the Northern Ireland Department of Finance where his duties included being Senior Responsible Officer for the devolution of Corporation Tax and NI lead for Public Sector Reform. He was also the lead civil servant in establishing the Renewable Heat Incentive (RHI) public inquiry.
Colin’s background is in optometry in the NHS where he spent more than 20 years in health service management. During that time, he also worked on international health management consultancy in over 30 countries for the FCO/Department for International Development, the EU and the World Bank.
As the HTA Chief Executive, Colin is the Accounting Officer and is responsible for implementing the strategic plan of the organisation. This involves improving the efficiency and effectiveness of regulation, ensuring that the HTA has appropriate and productive relationships with its stakeholders, and leading and managing the skilled and dedicated workforce of the HTA. Colin is also responsible for ensuring that the HTA is governed effectively and provides best value for money.

Louise joined the HTA in October 2019 as the Director of Data, Technology & Development. Prior to joining the HTA she has held a number of senior roles across healthcare including seven years in regulation with the Care Quality Commission.
Louise enjoys the intellectual and creative challenge of developing and delivering innovative solutions in complex environments. Over the course of her career these innovations have been recognised through national awards and publications as well as driving change through policy and operational improvements.
As our Director of Data, Technology & Development, Louise’s responsibilities include leading the HTA’s transformation programme over the next two years, developing the use of data and the insight that it can offer to how the HTA regulates and exploring opportunities for the adoption and use of technology in support how the HTA operates.

Nicolette joined the HTA in June 2018 as our Director of Regulation. Previously, she was the Head of Regulatory Delivery for the Food Standards Agency and prior to this, she held a number of senior management roles within HMRC, Scottish Public Pensions Agency and Revenue Scotland.
Nicolette’s responsibilities include the oversight and management of the HTA’s delivery of a right-touch programme of licensing, inspection and incident reporting; targeting our resources where there is most risk to public confidence and patient safety. She also oversees our effective regulation of living organ donation.
As our Director of Regulation, Nicolette ensures we provide high quality advice and guidance in a timely way to support professionals, Government and the public in matters within our remit. She also makes sure we are consistent and transparent in our decision-making and regulatory action.
Richard joined the HTA following a career as a finance professional in central government with a civil service background, most recently with Oxleas NHS Foundation Trust and the Ministry of Justice.
From November 2016, he became Director of Finance and Resources at both the HTA and the Human Fertilisation and Embryology Authority (HFEA) and splits his time between the two organisations.
At the HTA, Richard is responsible for leading and developing the financial and IT systems needed to support the HTA to carry out its statutory functions, and the provision of other facilities and services, including legal advice. He oversees financial governance and leads on risk management, working with the Audit and Risk Assurance Committee to ensure the Authority has assurance that the HTA’s systems are effective and working to fulfil our remit and objectives. Richard drives forward the HTA’s efficiency work, determines licence fees each year and plays a key part in change management.
Board members
The professional members of our Board, known as the Authority, come from a range of medical and scientific backgrounds linked to our work, and the lay Members bring a wide range of business, commercial and public sector experience.
The work of the Board is varied and includes:
- Setting the strategic direction of the HTA;
- Monitoring progress against strategic objectives;
- Making decisions on policy issues of strategic importance;
- Challenging, scrutinising and monitoring the performance of the Senior Management Team;
- Approving and monitoring the communications strategy;
- Ensuring that the views of stakeholders are properly accounted for in decision making;
- Ensuring that resources are adequate to deliver the strategy and are used efficiently and effectively;
- Overseeing the remuneration arrangements for the Senior Management Team and staff;
- Participating in Audit Committee, Remuneration Committee and Members’ groups;
- Acting as a panel Member for certain decisions on living organ donation
As well as chairing the Human Tissue Authority, Lynne is Chair of the Court of Governors and Pro Chancellor of the University of Westminster. She is also a trustee and SID of Welsh National Opera. She has chaired and been on the Board of many public sector and not for profit bodies including Breast Cancer Now, Cambridge University Hospitals Trust, the Canal and River Trust, Sustrans, NCVO, CPAG and Glandŵr Cymru.
Lynne has held several Chief Executive posts in public bodies including the Charity Commission; the Equal Opportunities Commission; the General Social Care Council and in charities such as RVS and the Family Welfare Association. She has been a Board member of many governmental better regulation initiatives and was on the Advisory Board for Civil Society in the Cabinet Office.
She is Visiting Professor in Leadership at Bayes Business School, City, University of London; a Fellow Commoner of Lucy Cavendish College, University of Cambridge and an Honorary Fellow of Cardiff University. She has received many national awards and has been appointed CBE.
Professor Deborah is Emeritus Professor of Bioethics, Clinical Ethics and Medical Law at St. George's University of London. She has specialised in clinical and bioethics throughout her career with a particular emphasis on decision-making in policy and practice, most recently leading the review of consent guidance for the General Medical Council.
She currently serves as a Trustee of Princess Alice Hospice, a Council Member of the General Osteopathic Council and a Non-Executive Director of South West London and St George’s NHS Mental Health Trust, and the Independent Office for Police Conduct.
Deborah has a particular interest in, and commitment to, public engagement in bioethics and clinical ethics, collaborating regularly with BBC Radio 4 and arts organisations, especially theatre companies.
In 2016, she was recognised in the New Year’s Honours List for services to medical ethics.
Tom is a commercial lawyer qualified in England and Wales, and is the VP Legal – Cloud for Aveva, a UK-based software company. Tom qualified in Medicine from Charing Cross and Westminster Medical School and worked as a junior hospital physician for five years before converting to law and training at Slaughter and May as a corporate lawyer.
Tom has worked on corporate and commercial transactions, in legal private practice and also in-house for companies including Novartis and Gilead Sciences. He has consulted as a lawyer for a number of life sciences and healthcare companies on complex projects covering IT/software, data protection, intellectual property licensing, pharmacovigilance and has led on several diverse commercial transactions including the integration of the GSK-Novartis Consumer Healthcare joint venture
Gary is a former Professor of Innovation at Keele University Business School, where he led and established the Mercia Centre for Innovation Leadership.
His corporate career was in senior leadership roles in Financial Services and organisational development and transformation, most notably for Royal Bank of Scotland (RBS) and latterly as Managing Consultant at PA Consulting.
He has held a wide range of Vice Chair and non-executive director roles with NHS Trusts, a building society and in education. Gary joined the HTA as a Member for 3 years from 1 September 2019.
Helen is an international lawyer and board member with over 30 years’ experience in the legal and financial services sectors. She is currently a non-executive director and trustee of the St John’s Eye Hospital Group, a director of LegalUK, a member of the Ministry of Justice sponsored LawtechUK Commercial Dispute Resolution Taskforce, and a member of the development board of the Bingham Centre for the Rule of Law. Previously she was Global Head of Legal, Dispute Resolution at Standard Chartered Bank, and a non-executive director of the London Court of International Arbitration.
She specialises in international and cross border dispute resolution and also has a strong interest in creation and maintenance of systems of dispute resolution (including online). She is a strong supporter of alternative and online dispute resolution.
Helen is a solicitor, a CEDR accredited mediator and a Senior Honorary Fellow of the British Institute of International and Comparative Law.
Ellen is a former Management Board Executive Director and experienced Non-Executive Director with over 25 years commercial experience in the Private Sector. Her previous roles include Trading Director, responsible for the development of brands, products and services within Debenhams PLC, and Operations Director where she led a workforce of over 5,000 staff and a turnover of half a billion.
Ellen has significant corporate governance experience as a Non-Executive Director in the Public Sector and is currently a member of the Board of the Welsh Government, Qualifications Wales and Marie Curie Wales Advisory Board. Ellen previously held Non-Executive posts at Linc Cymru and the Audit and Risk Committee of the Welsh Government's Economy, Skills and Natural Resources Group. During this time she gained valuable knowledge of housing, care, transport, economy, skills and education.
As part of her work as a Non-Executive Director for the Welsh Government, Ellen is also a member of the SCS Remuneration Committee, the Finance Committee and the Transport for Wales Steering Board.
Ellen is a trained Executive Coach and has worked with many people and organisations across the UK, including the Cabinet Office. She has a post graduate certificate (ILM level 7) in Executive Coaching.
Andy Greenfield is an Honorary Research Lecturer at the Nuffield Department of Women’s & Reproductive Health, University of Oxford. Most of his career has been spent in scientific research, including 25 years as a programme leader at the MRC’s Harwell Institute. His expertise lies in genetics and genetic technologies, especially in the areas of developmental genetics, reproductive biology and assisted reproductive technologies.
From 2009 to 2018, he was a board member of the Human Fertilisation & Embryology Authority and Chair of its License Committee. He also brings expertise in ethical innovation, policy and governance and was a member of the Nuffield Council on Bioethics from 2014 to 2020. From 2020, he has been a member of the Regulatory Horizons Council, an independent expert committee that advises Government on the regulation of emerging technologies.
In 2022, Andy was appointed chair of a subcommittee of the Food Standard Agency’s scientific advisory committee, the ACNFP, charged with developing an assessment framework for precision bred (e.g. genome-edited) organisms for food and feed purposes.
Dave spent 30 years policing in a variety of uniform and plainclothes roles, before retiring as Deputy Chief Constable for Dorset, and National Police Chief’s Council lead for ethics.
He now undertakes a variety of roles which include membership of the Home Office Forensics and Biometrics Ethics Group, membership of the ECB’s Regulatory Committee, chairing and facilitating cross sector leadership programmes for Windsor Leadership Trust, and chairing FIGS, a charity which funds a girls’ school in South Sudan.