Wollen's main project, Winsome Constance Kindness, is a global initiative whose mission statement is "to promote kindness towards all other living beings and enshrine it as a recognisable trait in the Australian character and culture".
The initiative emphasises ethics, compassion and co-operation, and opposes cruelty to humans and non-human animals. In 2020 it had initiatives in 40 countries.
Wollen awards the annual Kindness Gold Medal and $20,000 Cash Prize to people who have devoted their lives in the service of others. Past recipients include Sir David Attenborough, UK; Dr Jane Goodall UK; Smt Maneka Gandhi, India; Captain Paul Watson, USA; Professor Dr Reverend Andrew Linzey (Oxford); Dr Jill Robinson (China); Dr Christine Townend (Australia); Professor Dr T Colin Campbell (Cornell); Captain Peter Hammarstedt (Sweden); Sri Pradeep Nath (India); Mr Christopher DeRose, USA; Mr Damien Mander, Zimbabwe; Dr Chinny Krishna, India and others.