Christopher Joseph Lennertz (born January 2, 1972) is an American composer of film, television, and video game scores. He is a dual citizen of the USA and Italy.^{[citation needed]} His musical scores appeared in Alvin and the Chipmunks, Hop, Think Like a Man, and Horrible Bosses, and the video game series Medal of Honor, created by Steven Spielberg. He composed the score for Supernatural, and Revolution, two television series created by Eric Kripke.

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He also has appeared Galavant and Sausage Party with Alan Menken and Marvel's Agent Carter including a first ever Marvel musical number co-written with Tony award winning lyricist David Zippel. He wrote the songs for UglyDolls with Glenn Slater. He composed the score for the Netflix series Lost in Space and the Amazon Prime Video series The Boys from Kripke, Seth Rogen and Evan Goldberg.

Lennertz was born in Methuen, Massachusetts. He attended Easton Area High School in Easton, Pennsylvania and then Thornton School of Music at the University of Southern California, where he studied with Academy Award-winner Elmer Bernstein.^{[citation needed]}

Lennertz has written music for a variety of comedies such as Horrible Bosses, Ride Along, as well as Identity Thief, and Think Like a Man. He has also worked on hit family films including Hop, and Alvin and the Chipmunks and critically acclaimed dramas Adam and Thanks For Sharing. His collaboration with Ozomatli on their record Street Signs garnered a Grammy Award for Best Latin Rock Album.

He was named best new composer in 2002 for his score to Clive Barker's Saint Sinner. He won several awards for his 2003 soundtrack to Medal of Honor: Rising Sun, the first of three Medal of Honor games composed by Lennertz. In 2006 he was nominated for an Emmy Award for Outstanding Musical Composition in a Series for his score for the pilot of the television series Supernatural, and he is the first recipient of the Film & TV Music Award for Best Score for an Independent Feature Film for Tortilla Heaven.