Robert Aiken is named as a lobbyist on federal disclosure filings for 1 client through Pinnacle West Capital Corporation. The most recent filing naming them posted in October 2026. Issues reported include Energy/Nuclear, Budget/Appropriations, Environment/Superfund and Taxation/Internal Revenue Code.
Pay is not disclosed for individual lobbyists. Filings do not confirm that records with the same name are one person, so this page may combine people who share the name Robert Aiken. See the Capitol Clarity rankings and method.