Our Leadership Team

Ali Malik – Managing Director

Ali became managing director of the North Central London Cancer Alliance in January 2023. He has a wide range of experience in the NHS and private sector. He has been working in North Central London since 2018 including leading the Elective Recovery Programme at the North Central London Integrated Care Board (previously Clinical Commissioning Group) through the Covid pandemic and setting up the Integrated Care Board’s health intelligence unit.

Image of Ali Malik, managing director of North Central London Cancer Alliance. Pictured in white shire and blue jacket

Professor Geoff Bellingan – Senior Responsible Officer

Geoff is the Medical Director for Surgery and Cancer at UCLH. He trained as a chest physician and then in intensive care in which he has been a consultant at UCLH since 1997. He was appointed as a professor in intensive care medicine at UCL in 2015.

Geoff has long held interest in cancer care across our area of London which led to the original UCLH Cancer Collaborative application and the award of the national Cancer Vanguard in partnership with Greater Manchester Cancer Vanguard Innovation and Royal Marsden Partners.

Geoff is also the senior responsible officer for the development the University College Hospital Grafton Way Building which incorporates one of the UK’s first two NHS Proton Beam Therapy units, and a short stay surgical centre.

Frances O’Callaghan – Chair, North Central London Cancer Alliance Board

Frances O’Callaghan is the chief executive officer for the North Central London Integrated Care Board. She has a wide ranging NHS career history and has also worked in the private sector (PwC) and in academic environments as part of the set up and early development of the Academic Health Science Centres. She is undertaking an MA at UCL in Politics, Philosophy and Economics, enabling her to develop an academic base to drive the North Central London focus on addressing health inequalities, and as part of her wider commitment to social justice.

Frances O'Callaghan dressed in black checked jacket, royal blue shirt. Her NHS rainbow lanyard is visible

Professor Derralynn Hughes – Clinical Co-Director

Professor Derralynn Hughes is Professor of Experimental Haematology at UCL and Clinical Director of Research and Innovation at the Royal Free London NHS Foundation Trust. She has clinical responsibilities in the area of blood and lysosomal storage disorders (LSD) and has a particular interest in understanding why some of these disorders predispose people to haematological and other malignancies. She is principal investigator of a number of clinical trials of new therapies. Derralynn has been involved in the leadership of cancer services for many years, most recently as clinical director for haematology, oncology and palliative care and lead cancer physician at the Royal Free Hospital. 

Derralynn Hughes, Clinical Co-director

Dr Clare Stephens – Clinical Co-Director

Clare Stephens is a GP in Barnet and has worked in clinical commissioning since 2002.  She is Senior Responsible Officer for cancer and diagnostics for the North Central London Integrated Care Board. She has held several portfolios for appraisal, acute commissioning, cancer, public health, women and child health, and a pan-London specialist commissioning role.  Past senior roles include a Clinical Directorship for Barnet Primary Care Trust, Barnet CCG Governing Body and a pan London NHSE role in cancer.

Dr Clare Stephens GP

Anna Baranski – Associate Programme Director

Anna has a range of senior-level cancer experience in the NHS and voluntary sector. Prior to joining North Central London Cancer Alliance in April 2023, she held a number of roles in the national cancer team at NHS England, having joined in 2015. She was responsible for the design and establishment of Cancer Alliances nationally and for delivery of several strategic projects, including development of the Cancer Services Recovery Plan during the COVID-19 pandemic. Prior to working at NHS England, she led policy projects at Macmillan Cancer Support and supported development of the 2015 Independent Cancer Taskforce strategy.

Anna Baranki in green cardigan and grey and black striped turtle necked top

Afsana Bhuiya

Afsana is an Islington-based GP and has been the Cancer GP for the Alliance since 2015. She is leading a collaborative project with the digital provider for north central London (Cerner) to create a population health management registry for patients living with cancer in the community. Previous projects include innovating and implementing the EMIS Web electronic safety netting toolkit, which became a national product. She has also produced educational material to support GP cancer care improvement in earlier diagnosis and cancer care reviews. As a portfolio GP, Afsana has a role in the North Central London Clinical Commissioning Group as the evidence-based intervention lead.  She is also a GP Appraiser for NHS England. She is a former GP governing body member for Islington CCG and has authored and reviewed online education modules for the Royal College of General Practitioners. She studied medicine at Imperial College London.

Programme Leads

Fanta Bojang

Fanta leads the Alliance’s work on prevention, awareness, screening, case finding, surveillance and health inequalities. She has a wide range of experience in public health roles in the public and voluntary sectors. She joined in 2016 to deliver a number of early diagnosis projects under the previous Cancer Vanguard programme. Major projects have included working on the set up of the SUMMIT Study on lung screening, the YouScreen study on home testing for HPV, and more recently, the North Central London’s Targeted Lung Health Checks programme.

Fanta Bojang

Sharon Cavanagh

Sharon’s programmes of work include personalised care for cancer, and user involvement.  Sharon has held senior clinical, strategic and professional lead roles within palliative care and cancer services in London since 2002. An Occupational Therapist by background, Sharon’s clinical area of expertise is palliative rehabilitation.​

Marc Delon

Marc Delon has worked in acute tertiary hospital trusts in London since 2006. He has a wealth of operational management experience from his roles at Kings College Hospital Foundation Trust, Guys and St Thomas’ Hospital Foundation Trust and University College London Hospital Foundation Trust. Marc has had experience in hospital wide roles responsible for elective access both in cancer and non-cancer. He is a former manager of the University College Hospital and has been Interim Divisional Manager for Women’s Health at UCLH. He is passionate about equity of access and addressing health inequalities. He has a particular interest in clinical research, in particular accelerating the transition of discoveries in basic science to NHS services to benefit patient care.   


Oli Gregory

Oli is the programme lead for the Alliance’s work to increase the support for cancer services in primary care in North Central London. At the Cancer Alliance he previously worked on establishing non-specific symptom pathways, breast cancer recovery and transformation, cancer performance, and post-Covid diagnostic recovery. Oli has a background in strategy and policy. Prior to joining the Cancer Alliance, he worked in the strategy team at NHS England. Projects included developing a plan for the rollout of the Rapid Diagnostic Centres (now non-specific symptoms pathways) programme, leaving the European Union, staff health and wellbeing, Greener NHS, and data strategy. Oli has also worked in secondary care, overseeing the surgical strategy at Guy’s and St Thomas’ NHS Foundation Trust.


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