Chris Oestereich is an expert in sustainability and project management, having led zero waste programs that successfully diverted over 90% of waste from landfills. The document discusses the shift from linear to circular economies, emphasizing the importance of sustainable practices in business along with various case studies, guidelines, and the significance of the UN's Sustainable Development Goals (SDGs). It highlights the necessity of fostering a culture of sustainability within organizations to achieve long-term benefits and credibility.