Update content/people/index.md

Co-authored-by: melange396 <[email protected]>

Author: christymelucci

content/people/index.md

@@ -536,7 +536,7 @@ people:
   - blog
   note: Core member, March 2020-July 2023
   link: https://cs.cmu.edu/~krivard
-  description: leads Delphi's engineering team, and is a Principal Research Programmer in the Machine Learning Department at CMU.
+  description: previously led Delphi's engineering team, and was a Principal Research Programmer in the Machine Learning Department at CMU.
 - firstName: Daniel
   lastName: McDonald
   image: daniel-mcdonald-photo.jpeg