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, benchmarking ERM practices, understanding the risk and strategy connection, advising organizations on ERM process development, and identifying 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 was a consultant to COSO on their Enterprise Risk Management framework. In 2014, Dr. Walker was nominated to the COSO ERM Framework Advisory Council.
Dr. Walker has worked in various positions in financial services, and at KPMG and EY. He taught at the University of Virginia for almost 20 years and has served as a visiting fellow at the London School of Economics Centre for the Analysis of Risk and the University of Canterbury at Christchurch. Dr. Walker was also selected as a 2011 Deloitte CFO scholar.