Chris Patterson, founder of MassTransit, shares his expertise on building efficient distributed systems. He breaks down the role of message buses in event-driven architecture, emphasizing asynchronous communication and decoupled architectures for scalability. Chris discusses implementing saga patterns and routing slips for complex processes, and addresses the challenges of debugging in distributed environments. He also highlights the significance of observability with tools like OpenTelemetry, focusing on how to balance innovative solutions with practical real-world application.