William Christopher Champlin (born April 24, 1983) is an American singer-songwriter, best known for his appearance on Season 5 of the NBC singing competition The Voice as part of Adam Levine's team. He finished in third place behind Jacquie Lee, the runner-up, and Tessanne Chin, the winner of the season.^[1]

This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these template messages) This article is an autobiography or has been extensively edited by the subject or by someone connected to the subject. (April 2017) This biography of a living person needs additional citations for verification. (April 2017)

Before his participation on The Voice, Champlin reached some success as a songwriter. He collaborated with Michael Caruso and provided backing vocals for Ace Young's self-titled album, and also played piano on Michael Jackson's posthumous compilation album Michael, on the song "(I Like) The Way You Love Me". He was nominated in the Best Contemporary R&B Gospel Album category, for co-writing "Ordinary Me", which appears on Heather Headley's album Audience of One. Audience of One was awarded the 2010 Grammy in its category.^[2]

He is now the lead singer of the gritty rock band Valley of Wolves.^[3] They made their debut in 2018 with the release of the Album 'Out for Blood'. In 2019 they released 'Take it All' ^{[citation needed]} and in 2021 'Outlaws' was released.^[3]

On the fourth episode of the Blind Auditions broadcast on October 1, 2013, he performed Gavin DeGraw's song "Not Over You". Adam Levine, Cee Lo Green, and Blake Shelton turned their chairs but he opted to join Adam Levine.^[4][5]

In the Battle Rounds, Wolpert won, and Champlin was stolen by Aguilera. In the Knockout Rounds, Schuler won, and Champlin was then stolen back from Aguilera by Levine.

  – Studio version of performance reached the top 10 on iTunes

Champlin was born and raised in Los Angeles, California.^[6] He is the youngest son of Bill Champlin, former member of Chicago, and Tamara Champlin. He graduated from the Berklee College of Music in Boston, Massachusetts.^[7] He has one daughter, Harper.^[8]