Mahesh Bhatt is a vet with a passion for wild animals - he has worked extensively with cheetahs in east Africa and with elephants in south Asia
Lizzie Daly is a conservationist, wildlife biologist and filmmaker from Wales.
She is passionate about ocean conservation and the protection of wild spaces on land. Lizzie is a true advocate for the great outdoors.
Brianna Fruean - environment & climate change activist - Samoa