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Our senior leadership team
Marianne Radcliffe, Chief Executive Officer
Marianne has been working in the charity sector for 25 years, the last 14 of which she has spent at FitzRoy. Before that, she held senior roles at Christian Aid, NSPCC and Shelter. She is passionate about uniting people to bring about lasting change for those who are hidden in society.
Mark Stavers, Chief Operating Officer
Mark joined Crohn's & Colitis UK in June 2026, having previously been the Director of Finance and Operations at Brain Tumour Research and prior to that the Group Finance Director and then CEO of Viva - Together for Children, an international development charity based in Oxford.
He's a CIMA qualified Management Accountant (CGMA) and studied Mathematics at Cardiff University. He's passionate about charities focussing on the people they exist to serve and among his priorities is a focus on ensuring all of our systems are efficient and effective.
A father of two, Mark lives in Abingdon, Oxfordshire.
Catherine Winsor, Director of Services & Evidence
Catherine has worked in the healthcare charity sector for over 20 years including senior roles at Prostate Cancer UK and Bowel Cancer UK leading teams focused on improving healthcare pathways and the provision of patient support services.
Catherine is passionate about health inequality and improving access to support for everyone.
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Like what you see? If you'd like to become part of our team, please see the latest jobs page for more details and how to apply.
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Helpline Service
Last updated: 22/07/2026
Our Helpline team can't take calls, chats or ring you back for the rest of the summer. But you can still reach us by email.
If you need to contact the team, please email helpline@crohnsandcolitis.org.uk and we'll answer you as soon as possible.
Thanks for bearing with us.
How Can We Help?
- We can help you understand Crohn’s and Colitis
- Listen and talk about living with IBD
- Help you connect with others in the Crohn’s and Colitis community
- Give you contact details of specialist organisations
- We can support you to live well with Crohn’s or Colitis and provide up-to-date, evidence-based information
Please be aware we’re not medically or legally trained. We cannot provide detailed financial or benefits advice or specialist emotional support.
If you need specific medical advice about your condition, your GP or IBD team will be best placed to help.