- Liz Ballard, CEO at Sheffield and Rotherham Wildlife Trust
- Dr Ross Cameron, the University of Sheffield
- Dr Mark Avery, writer and campaigner
- Blánaid Denman, RSPB Hen Harrier Life+ project manager
- Natalie Bennett, former Green Party leader
- Iolo Williams, writer, tour guide and broadcaster (BBC Springwatch).
The event is free and open to all. For further details, see Sheffield & Rotherham Wildlife Trust or Mark Avery's blog page.