# David Sawicki

David Sawicki is a Senior Software Engineer working on Duolingo’s Text-to-Speech systems. He has a Master’s degree in Linguistics from Harvard and also plays keyboards for musicals on Broadway.

Jun 1 [David Sawicki](https://blog.duolingo.com/author/david-sawicki/)

[**How I used Duolingo to find my family in Poland**](https://blog.duolingo.com/learning-polish-family-reunion/)