What is the nationality of the most successful wingsuit flyer?
Powered skydiving:  Efforts have been made by wingsuit flyers to sustain altitude, but the most successful was Yves Rossy who jumped out of an airplane wearing airplane-type rigid wings with four small jet motors attached to them. Yves Rossy: Yves Rossy (born 27 August 1959) is a Swiss military-trained pilot and an aviation enthusiast.
Swiss