Duolingo boss: 'Develop your social skills'This video can not be playedTo play this video you need to enable JavaScript in your browser.Duolingo boss: 'Develop your social skills'CloseLuis von Ahn, co-founder and CEO of language-learning app Duolingo, shares his business advice for the CEO Secrets series. Video by Dougal Shaw. Learn more CEO Secrets here.SubsectionBusinessPublished1 December 2021Shareclose panelShare pageCopy linkAbout sharingRead description