Nathan Bartholomew Morris (born 18 June, 1971 in Philadelphia, Pennsylvania), also known as Alex Vanderpool, is an African-American singer and a founding member of Boyz II Men. He has both a very low register and a very high register. Due to the departure of Boyz II Men bass singer Michael, Nathan sings bass, tenor, and soprano.

Morris released a single entitled "Wishes" for the Touchstone Pictures film Kazaam starring NBA Star Shaquille O'Neal. Morris most recently discovered Def Jam recording artist Megan Rochell whom he manages under his label "AdLib Entertainment".

He resides in Merion Hill, located in West Conshohocken, Pennsylvania.

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