Cirkut

Henry Russell Walter (born April 23, 1986), known professionally as Cirkut, is a Canadian record producer and songwriter. He has co-produced and co-written commercially successful singles, often in tandem with American record producer Dr. Luke and Swedish producer Max Martin since 2008. His credits include songs and albums for prominent artists including Katy Perry, Becky G, Ava Max, Nicki Minaj, R. City, the Weeknd, Kesha, Ciara, Pitbull, Britney Spears, Ne-Yo, Rihanna, Adam Lambert, B.o.B, Marina and the Diamonds, will.i.am, Jungkook, G.R.L. and Juicy J, among others.

Walter has written and produced the Billboard Hot 100-number one singles "Part of Me", "Roar" and "Dark Horse" by Katy Perry, "Wrecking Ball" by Miley Cyrus, and "Starboy" and "Die for You (Remix)" by the Weeknd. He won Best Urban Contemporary Album at the 60th Annual Grammy Awards for his work on the latter two songs' parent album, Starboy. He co-produced Jungkook's 2023 single "Standing Next to You".

Life and career
Walter was born and raised in Halifax, Nova Scotia and moved to Toronto in 2004. He co-produced the Britney Spears song "Mmm Papi" which appeared on her 2008 album Circus. He sent it as an instrumental track to Kobalt Music Group via their attorney Chris Taylor, where songwriter Nicole Morier began using it to write with Britney Spears.

Walter opened Dream House Studios in Toronto. He then relocated to Los Angeles, California. He co-produced "Part of Me", the title song to Katy Perry's 2012 concert film Katy Perry: Part of Me. Walter was also responsible for producing and co-writing the Weeknd's track "High for This". In 2016, he co-produced and co-wrote 9 songs on the Weeknd's album Starboy.

Awards and nominations

 * Grammy Awards

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 * "Roar"
 * Song of the Year
 * Nominated
 * Starboy
 * Best Urban Contemporary Album
 * Won
 * Donda
 * Album of the Year
 * Nominated
 * "Higher than Ever Before"
 * Best Dance/Electronic Recording
 * Nominated


 * Juno Awards
 * 2014: Jack Richardson Producer of the Year (Won)
 * 2015: Songwriter of the Year (Nominated)