Simplify the following text for a Grade 9 native English-speaking person.
Original: Eric Holder ( born January 21 , 1951 ) is the current Attorney General of the United States , serving under President Barack Obama .
Simplified: Eric Himpton Holder , Jr. ( born January 21 , 1951 ) is the 82nd and current Attorney General of the United States and the first African American to hold the position , serving under President Barack Obama .