adding Yale hyperlink

_pages/about.md

@@ -9,7 +9,7 @@ redirect_from:
 
 I am a PhD statistician and data scientist working in infectious disease epidemiology, vaccine and drug effectiveness, and causal inference.
 
-In my graduate work at Yale, I developed and applied statistical methods for causal inference. I worked with Professors [Forrest Crawford](http://www.crawfordlab.io/) and [Laura Forastiere](https://ysph.yale.edu/profile/laura_forastiere/).
+In my graduate work at [Yale](https://ysph.yale.edu/), I developed and applied statistical methods for causal inference. I worked with Professors [Forrest Crawford](http://www.crawfordlab.io/) and [Laura Forastiere](https://ysph.yale.edu/profile/laura_forastiere/).
 
 In my work, I use statistics to answer questions with social and policy impacts.