Nuno Duarte Gil Mendes Bettencourt (born September 20, 1966) is a Portuguese American guitarist, singer-songwriter, and record producer. He is best known for his role as the lead guitarist of the Boston rock band Extreme whose hits include the acoustic ballads “More Than Words” and “Hole Hearted”. The songs reached No.1 and No.4, respectively, on the Billboard Hot 100 singles chart in 1991.

He has since recorded a solo project called Schizophonic as well as with bands he founded including Mourning Widows, Population 1, DramaGods, The Satellite Party (headed by Jane’s Addiction’s then-former frontman and Lollapalooza co-founder Perry Farrell), and then reunited with Extreme to record new music and tour.