Tim is currently the Chief Executive of the arc21 local authority partnership in Northern Ireland, a role he has held since 2019. Prior to that, he headed up waste management at Belfast City Council for over two decades. Tim is currently on the Board of Keep Northern Ireland Beautiful and CIWM as a Trustee. He is also a Visiting Research Fellow with Queen’s University Belfast looking at the Circular Economy, a member of the DEFRA Advisory Committee on Packaging (UK) and sits on the Department for Economy Circular Economy Coalition (NI). He has several professional and academic qualifications and regularly returns home from walks with more than a handful of rubbish
Tim Walker, President CIWM & CEO of arc21
Speakers 2025