Matthew Johnstone had more than 15 years as a creative in advertising where he worked in Sydney, San Francisco and New York. He worked for some of the world's best agencies and won many industry awards.In 2005 he published I Had a Black Dog, an illustrated book on what it is to suffer depression and what can be learnt from it. This book has been a best seller and is now published in more than 20 countries. In 2008, with his wife Ainsley, he published the sequel Living With a Black Dog, a guide to those who care for people living with depression.Matthew, along with his co-author; James Kerr, published Alphabet of the Human Heart: The A to Zen of Life in 2009, a book about balance, in 2012, Quiet the Mind, an illustrated guide on how to meditate and in 2013, Capturing Mindfulness, a guide to being present in the moment through photography. His eighth book, The Big Little Book of Resilience, was published in 2015 and is about developing flexibility, acceptance and self-compassion when facing life challenges.Matthew is a passionate mental health and wellbeing advocate. He does consultancy work for the Black Dog Institute where he develops educational programs around mental health and resilience with some of the worlds leading psychiatrists, psychologists and researchers. When he's not creating books or doing consultancy work he is often delivering keynotes or taking workshops. In 2014 he was invited to speak at the World Health Organization in Geneva. He delivers talks to community groups, schools, corporations, health resorts, sporting groups and the farming community. Matthew has spoken all over Australia, New Zealand and parts or Europe.He lives with his wife and two daughters in Sydney.matthewjohnstone.com.au