He has won nine Grammy Awards, including Producer of the Year, Non-Classical in 2017 and 2018,[1][2][3] and contributed to five songs that peaked atop the Billboard Hot 100.

[5] Among others, he has worked with Kylie Minogue, Sia, Kelly Clarkson, Halsey, Jonas Brothers, Kendrick Lamar, Maren Morris, Beyoncé, Dido, Gorillaz, the Shins, Beck, Paul McCartney, Pink, Lily Allen, Harry Styles, Miley Cyrus, Liam Gallagher, and Foo Fighters.

Kurstin joined his first band at the age of 11, and at 12 co-wrote "Crunchy Water", the B-side to classmate Dweezil Zappa's "My Mother Is a Space Cadet".

After graduation, he moved to New York to study with Charles Mingus' pianist Jaki Byard at The New School for Jazz and Contemporary Music.

[9] In addition to coursework, as a student Kurstin played with prominent jazz artists including Bobby Hutcherson, George Coleman, and Charles McPherson.

[13] Geggy Tah released their debut album Grand Opening in 1994; Kurstin played bass, clavinet, guitar, organ, piano, synthesizers and drums, and was credited as a songwriter, producer, programmer, and backup vocalist.

[14][15][16] In addition to playing with Geggy Tah, Kurstin did session work, one-offs and tours with artists including Beck, Ben Harper, Jon Hassell[17] and the Red Hot Chili Peppers.

Mostly instrumental and in a jazz-funk vein, the album featured guests Flea, Sean Lennon, Soul Coughing's Yuval Gabay as well as musicians who performed with Beck, Air, Gil-Scott Heron and Garbage.

[22] Described by Entertainment Weekly as "space-age pop that cunningly combines bossa nova languidity with Beach Boys-style lushness", they have since released four albums and an EP.

[23] [24][25] After working on tracks with artists including Peaches, All Saints, Pink, the Flaming Lips, and Kylie Minogue, Kurstin was introduced to Lily Allen.

For her second album It's Not Me, It's You, Allen worked exclusively with Kurstin; he co-wrote every song and played all of the instruments on the record, which he also engineered and produced.

Based in part on the album's success, as well as his work on a bird and the bee record, Kurstin was nominated for his first Producer of the Year Grammy in 2010.

[27] In 2012, Kurstin earned his first number 1 song in the United States and two Grammy Award nominations for Kelly Clarkson's "Stronger (What Doesn't Kill You)", which he co-wrote and produced.

"[28] In 2012 Kurstin produced and wrote or co-wrote five songs for the Grammy-nominated Pink album The Truth About Love, including its first single, "Blow Me (One Last Kiss)".

Later in 2012, he began production on Tegan & Sara's Heartthrob and worked closely with the Shins' James Mercer on Port of Morrow, which debuted at number 3 on the Billboard 200.

[29] In addition to Clarkson, in 2013 and 2014 Kurstin wrote and produced songs which appeared on albums by Lana Del Rey, Foster the People, Ellie Goulding, Lykke Li, Katy Perry, and Charli XCX.

He co-wrote and produced Ellie Goulding's "Burn", which was the number 1 single in the UK for three consecutive weeks, teamed again with Allen, and collaborated with Sia on 1000 Forms of Fear.

With Sia, he created new arrangements for the Broadway musical's original tracks and co-wrote several new songs for the film, including "Opportunity", for which he received a Golden Globe nomination.

In an interview with Rolling Stone, Adele said: "This song was a massive breakthrough for me with my writing because it'd been pretty slow up to this point, and I felt after I worked with Greg [Kurstin] on this, it all poured right out of me."

He won Producer of the Year (Non-Classical) in recognition of his work with Adele, Tegan and Sara, Sia and Ellie Goulding.

[50] In May 2021, Kurstin won the ASCAP Golden Note Award, given to songwriters, composers and artists who have achieved extraordinary career milestones.

[52] In September 2022, Kurstin performed at the tribute concerts for Taylor Hawkins at Wembley Stadium in London and at the Kia Forum in Los Angeles.