Monty Hamilton, Director of Digital Operations at Telstra, discusses the company's digital transformation journey initiated in 2011, which has seen digital customer transactions rise from less than 20% to 56% by H1 2016. Key strategies included focusing on improving customer experience through digital channels, developing resilient IT systems, and fostering a collaborative digital culture within the organization. Telstra's long-term approach to digital transformation prioritizes employee engagement, rapid iteration, and leveraging established culture and capabilities to enhance customer interactions and internal operations.