Simplify the following text for a Grade 8 native English-speaking person.
Original: Elena Kagan ( pronounced ; born April 28 , 1960 ) is an Associate Justice of the Supreme Court of the United States , serving since August 7 , 2010 .
Simplified: Elena Kagan ( born April 28 , 1960 ) is an American lawyer and judge . She is currently a United Supreme Court Justice , having been confirmed by the United States Senate on August 5 , 2010 .