William is particularly interested in studying the development and function of stromal cells within the thymus, including how alterations in thymic stromal cells impact T-cell development and autoimmunity that can occur following bone marrow transplantation and in increasing age. He has published over 35 papers in the field of thymus biology since 2005 and has received research funding from BBSRC, Cancer Research UK, The Leverhulme Trust and the MRC.