Gwynn Bassan is Education Adviser at the Southwark Diocesan Board of Education, supporting primary and secondary schools across London and East Surrey. He leads the Diocese's National Professional Qualification (NPQ) programmes and advises schools on leadership development, artificial intelligence in education, assessment, and school improvement.

Drawing on more than 20 years' experience as a headteacher, executive headteacher, principal, and trust leader, Gwynn supports schools in strengthening teaching, learning, curriculum leadership, and professional development. His areas of expertise include school improvement, leadership development, quality assurance, and evidence-informed practice.

A Fellow of the Chartered College of Teaching, Gwynn is passionate about helping schools and leaders thrive through collaboration, high-quality professional learning, and innovation. He also serves as a Trustee of Culham St Gabriel's and a member of the Sutton People's Committee.