Sheila Panchal is a psychologist who has survived her own Turning 30 Blues and now helps others through theirs. She is the co-founder of Happiness First (www.happinessfirst.com), a company that promotes individual and organizational wellbeing. She lives in London. Ellen Jackson is a human resources specialist and consultant psychologist who runs her own business, Potential Psychology Services, coaching people in the workplace. She lives in Melbourne, Australia.