Summary: 12th year of the IA 25, annual list of the most influential people in and around the advisor industry. All the editors of the Investment Advisor Group—of Investment Advisor and Research magazines and ThinkAdvisor.com—weighed in over several months to choose individuals who in our judgment have been influential, are influential and likely in the future will influence the markets; how advisors invest and plan retirement for clients; and who will affect the regulatory and legislative environment in which advisors operate.