Mark has over 25 years’ experience as a planning consultant across Wales and England, in both public and private sectors. He is a Director of The Urbanists - planning, landscape and urban design practice.  His work spans the broad development sectors of health, education, energy, residential, retail, and mixed-use. 

His specialist knowledge includes heritage, environmental impact assessment, green infrastructure, community engagement, common land, and rights of way.

He has been a member of the RTPI Cymru Policy and Research Forum for many years, and was Chair 2021-23. He is RTPI Cymru Chair for 2026.