# Sammi Siegel

Sammi Siegel is a Staff Software Engineer leading the Duolingo Math Team. She is a graduate of Duke University, where she studied Computer Science and Math.

Nov 12[Cassie Freeman, Ph.D.](https://blog.duolingo.com/author/cassie/)

[**La peur des maths : qui est concerné et pourquoi ?**](https://blog.duolingo.com/la-peur-des-maths/)

Nov 7[Cassie Freeman, Ph.D.](https://blog.duolingo.com/author/cassie/)

[**Quem tem ansiedade matemática e por quê?**](https://blog.duolingo.com/ansiedade-matematica/)

Oct 18[Sammi Siegel](https://blog.duolingo.com/author/sammi/)

[**Teaching Owlgebra: developing math on Duolingo**](https://blog.duolingo.com/developing-math/)

Jul 11[Cassie Freeman, Ph.D.](https://blog.duolingo.com/author/cassie/)

[**¿Qué es la ansiedad matemática y quiénes la padecen?**](https://blog.duolingo.com/ansiedad-matematica/)

Jul 9[Cassie Freeman, Ph.D.](https://blog.duolingo.com/author/cassie/)

[**Wer bekommt Mathe-Angst und warum?**](https://blog.duolingo.com/angst-vor-mathe/)

Mar 6[Cassie Freeman, Ph.D.](https://blog.duolingo.com/author/cassie/)

[**Who gets math anxiety and why?**](https://blog.duolingo.com/math-anxiety/)