Fiann Ó Nualláin is an award-winning garden designer and horticultural therapist. He is co-presenter on RTÉ's 'Dermot's Secret Garden' and makes regular contributions to other TV and radio programmes on the subjects of ethnobortany, the natural environment, biodiversity, ecological gardening and GIY. He blogs under theholisticgardener.com and contributes to a variety of gardening and health magazines across Europe. As a horticultural therapist Fiann develops outreach horticulture programmes with Dublin City Council and other agencies further afield, working with children at risk, elder groups, and adults in recovery and community regeneration projects.