Hugh John McDonald (born December 28, 1950) is an American musician who is best known for his session work and for being the current bassist and backup singer of American rock band Bon Jovi, which he joined as an unofficial band member in November 1994, before becoming an official band member in 2016. Before joining Bon Jovi, he was the bass guitarist for the David Bromberg Band, touring extensively worldwide and playing on many Bromberg albums. He has played with many other artists, both live and in the studio, including Willie Nelson, Steve Goodman, Ringo Starr, Lita Ford, Michael Bolton, Cher, Alice Cooper, Ricky Martin, Gavin Whittaker, Michael Bublé, Poison, and did a few dates during Shania Twain's the Woman in Me TV tour.