Teddy Geiger is an American musician, singer-songwriter and record producer. She was originally signed to Columbia Records as an artist, and now focuses on writing and production for other artists. She has written songs for artists including Shawn Mendes, One Direction, Tiesto, Empire of the Sun, James Blunt, Birdy and DJ Snake. Geiger’s compositions and productions have sold over 30 million units worldwide and include “Stitches”, which won the 2017 BMI Song of the Year award, as well as Mendes’ other singles “Treat You Better”, “Mercy”, “There’s Nothing Holdin’ Me Back”, “In My Blood” and “Lost in Japan”.