Greg Sanker is a former CIO, international speaker, author and senior IT leader with unending enthusiasm for excellence. He speaks regularly about leadership, excellence, IT transformation, IT service management, and modernization. Known for his practical been-there-done-that advice, he’s on HDI's list of Top 25 Thought Leader in Technical Support and Service Management (2020, 2021), and he's the author of IT Change Management: A Practitioner's Guide and the ITIL4 Change Enablement Practice Guide. Greg lives in the Pacific Northwest (USA), where stunning natural beauty and high-tech culture form a unique lifestyle. In his spare time, Greg hikes, bikes, and plays a bit of blues guitar. He blogs about excellence in ITSM at ITSMTransition.com.