Derek Tyler Carter (born December 30, 1991) is an American musician and songwriter from Habersham County, Georgia. Carter began his musical career performing drums in local bands in Atlanta. Following his underground success, he joined metalcore outfit Woe, Is Me, releasing their debut studio album, Number[s], in 2010, in which he left the following year.

After departing from Woe, Is Me, he began amalgamating Issues with former members of Woe, Is Me, including vocalist Michael Bohn. With Issues, they released their debut extended play (EP), Black Diamonds (2012). The following year, the band released the stand-alone single, "Hooligans". In 2014, the group released their debut full-length studio album, Issues, to critical and commercial acclaim, charting at number-nine on the U.S. Billboard 200. The group released their second EP, Diamond Dreams, on November 18, 2014. The band released their second full-length studio album, Headspace (2016), to positive acclaim, charting at number 20 on the US Billboard 200. Bohn departed from Issues in January 2018, making Carter the sole vocalist in the group's line-up. The following year, the group released their third studio album, Beautiful Oblivion. In September 2020, he left the band after allegations of past sexual misconduct. In 2020, he co-founded the duo Emerald Royce with Attila's Chris Linck.

Carter also pursues a solo music career, having released two EPs, Leave Your Love (2015) and Moonshine Acoustic (2020), and one studio album, Moonshine (2019). He has collaborated with various other musical artists and groups including blackbear, MAX, Jamie's Elsewhere, Breathe Carolina, Hands Like Houses, Slaves, and One Ok Rock, among others. He has collaborated with Luke Holland on a number of studio covers, including a cover of Paramore's 2013 single "Ain't It Fun" for Punk Goes Pop Vol. 6 (2014), Years & Years' 2015 single "King", and Chris Brown's single 2013 single "Fine China".