Karl Treacher (GAICD) is the CEO of The Culture Institute of Australia, founder of CultureCon™ and The Brand Institute. He is an Adjunct Associate Professor at Griffith Business School, specialising in corporate brand reputation governance. With 20 years of experience, he is an expert in aligning organisational reputation, brand, culture, and customer experience. Karl has educated leaders through the Australian Institute of Company Directors and guided boards and executives in repositioning many iconic Australian companies. Notably, he led NAB’s retail experience program and contributed to the transformation of brands like Bupa, APRA, PwC, and RACQ.

His expertise stems from a background in human science, creative advertising, and culture and experience development, enabling him to drive brand performance by integrating marketing, culture, and customer experience. A prolific writer, Karl authored over 65 industry articles, served as Marketing Magazine's resident brand and culture expert (2010–2016), and studied organisational leadership at Oxford University.