Trustees

Karen Ruddock
Chair and Founder
Karen was diagnosed with Stage 4 thymoma in May 2015. With the diagnosis of such a rare disease she felt isolated and wanted to be able to share experiences with other thymic cancer patients.
Heidrun Bien
Secretary & Treasurer
Alongside her wife Karen, Heidrun co-founded ThymicUK in 2018 to support patients and carers affected by thymic cancers.
Marrika Colvin
Clinical Nurse Specialist
Marrika is a Lung Cancer Clinical Nurse Specialist at Guys and St Thomas’ NHS Foundation Trust. She has worked in cancer care since she qualified in 1998.