Teddy Geiger[2][3] (born September 16, 1988[4]) is an American singer-songwriter and record producer who first gained fame with the song "For You I Will (Confidence)" in 2006.[5][6] Geiger acted in the television series Love Monkey (2006) and the film The Rocker (2008).
Geiger co-wrote a series of hit songs for Shawn Mendes,[6] starting with the single "Stitches" in 2015, now certified 8× Platinum,[7] and including the 7× Platinum "Treat You Better" in 2016.[8] After transitioning in 2017–2018, Geiger released her third solo album, and continues to compose songs for other artists.