Dr. Walker co-developed one of the first courses on Enterprise Risk Management (ERM) and has done ERM training for executives and boards around the world. This training includes helping boards develop risk oversight practices, benchmarking ERM practices, advising organizations on ERM process development, and identifying black swans and unknown risks. He has also researched ERM at the headquarters of companies such as Wal-Mart, Microsoft, DuPont, Intuit, Harley-Davidson Inc, Raytheon, and others. He has written extensively on risk and ERM including the books Improving Board Risk Oversight through Best Practices, Making Enterprise Risk Management Pay Off and Enterprise Risk Management: Pulling it All Together. He has also coauthored several articles on ERM including: Is your Board Ready for ERM, The Strategic Advantage of ERM, Managing Risk: An Enterprise-Wide Approach, A Road Map to ERM, and ERM and the Strategy-Risk Focused Organization.
Dr. Walker also served as a visiting fellow at the London School of Economics Centre for the Analysis of Risk and was a consultant to COSO on their Enterprise Risk Management framework. Additionally, Dr. Walker was selected as a 2011 Deloitte CFO scholar.