As of May 2015, the Duolingo team consisted of more than 40 individuals including several software engineers, scientists, and language experts.In 2019, Duolingo announce to set a goal to recruit a more diverse team, which is 50% female representation and 50% people of color representation. 
On November 2013, the team was divided according to the following breakdown: "12 people working on improving the learning experience, 3 on improving the apps, 2 on the Incubator (new languages), and one whose job it is to improve the real-world translations."
Staff interviews and biographiesEdit
- Luis von Ahn
- David (software engineer)
- David (engineer, iOS developer)