Arkadi Kuhlmann (born October 27, 1946) is a dual U.S.-Canadian citizen, businessman, speaker, author, and artist. He is best known as a banking entrepreneur, having served as CEO of both ING Direct Canada and ING Direct USA. In July 2012, Arkadi founded his sixth banking startup, ZenBanx, and was serving as its CEO before selling the business to SoFi in February 2017.