Presenter biographies: J to L

Davina James-Hanman is director of the Greater London Domestic Violence Project.

Her previous experience includes five years as the first local authority domestic violence co-ordinator for the London Borough of Islington. In her current position, she has responsibility for developing and implementing the London Domestic Violence Strategy for Ken Livingstone, Mayor of London.

Davina has worked in the field of domestic violence for over 15 years in a variety of jobs including advocate, campaigner, conference organiser, crisis counsellor, policy officer, project manager, refuge worker, researcher, trainer and writer. She's also published articles and two book chapters, both on different aspects of inter-agency work.

Other roles have included consultant for a variety of public and voluntary sector organisations and Domestic Violence Inter-Agency fora. In addition, she's an associate tutor for Centrex, the national police training agency.

Helen Knox is an instructing clinical nurse specialist in contraceptive and sexual health and has worked in the field for over ten years.

She trained as a registered nurse at the Westminster Hospital, London, before working as a senior staff nurse at St Thomas' Hospital, London, and later as a district nursing sister in west London.

Helen has extensive experience in teaching contraception and sexual health to the public, and has worked in family planning clinics, men's prisons, homeless hostels, drug agencies, probation centres, schools, colleges, civic centres, with sex workers as well as in schools of nursing and universities.

From 1991 to 2001 she was the UK's first outreach clinical nurse specialist in contraception and sexual health, based in south London. In 1994 she was a finalist in the Nursing Times/3M National Nursing Awards for Innovation in Nursing and Midwifery for exceptional work in expanding the outreach work related to family planning and sexual health.

In 1999, she founded SEXplained... Ltd for whom she writes and publishes books. She also runs a global cyber clinic on the internet.

Roy studied classical acting at the Bristol Old Vic Theatre School and physical theatre with leading Japanese director Tadashi Suzuki in the mountains of north Japan. He has worked in theatre, television and was for a time a member of the BBC radio drama team.

On his return to the UK following the Japanese experience in 1987, Roy combined his performing, writing and production skills to set up a regional touring company in Northamptonshire (where he lives) and subsequently an international theatre company. In order to fund these ventures Roy offered presentation and communication training to industry and education which, from the start, has proven both effective and much in demand.

Roy is involved in a number of groundbreaking projects in schools around the country looking at creating learning environments for all, and not just a small percentage of students and teachers. His work is a combination of educational philosophy and practical exercises drawing from his own arts, business and learning experience.

He is a visiting lecturer at the European Business School (London) where he runs an innovative programme using creativity and brain-compatible learning to help develop the skills for success for the business leaders of the 21st Century and has worked with a number of national and global companies.

Roy is a writer and broadcaster and his collaborative book on thinking and learning (The Big Book of Independent Thinking) will be published in 2005.