Lance Kesterson has over 22 years of experience in retirement plans with Nationwide, including roles in finance, operations, strategic projects, and product management. He discusses the need to understand today's trends and assumptions, identify and validate specific opportunities, and then execute the highest priority options. This involves understanding the current strategy and any issues, developing and validating hypotheses about opportunities, and using a gated five-step process to prioritize opportunities before executing the highest ones through clear programs, accountability, goal alignment, commitment, and communication.