Shock as Jonah Hill's brother and longtime manager of Maroon 5 Jordan Feldstein dies from cardiac arrest at 40

Jordan Feldstein has died unexpectedly at the age of 40.

He was the longtime manager of Adam Levine's band Maroon 5 and is the older brother of actor Jonah Hill. 

A spokeswoman for the band confirmed Saturday that Feldstein died unexpectedly Friday. 

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Sad news: Jordan Feldstein has died unexpectedly at the age of 40

Sad news: Jordan Feldstein has died unexpectedly at the age of 40

The Feldstein family said in a statement that Jordan Feldstein called 911 after experiencing shortness of breath Friday. 

He had gone into cardiac arrest by the time paramedics arrived and died a short time later.

Feldstein was the founder and chief executive of Career Artist Management and had managed Maroon 5 since its inception 15 years ago. 

His company also counts Miguel, The B-52s, Elle King and Rick Springfield among its clients. 

Sad news: The longtime manager of Maroon 5 Feldstein pictured (R) with the band back in 2007

Sad news: The longtime manager of Maroon 5 Feldstein pictured (R) with the band back in 2007

Family: He was the older brother of actor Jonah Hill (pictured at the Governors Awards in Los Angeles in November 2016)

Family: He was the older brother of actor Jonah Hill (pictured at the Governors Awards in Los Angeles in November 2016)

Trailblazer: Feldstein pictured at a Los Angeles Clippers game back in 2015

Trailblazer: Feldstein pictured at a Los Angeles Clippers game back in 2015

Feldstein's younger sister Beanie Feldstein currently stars in Oscar-favorite Lady Bird.

Jordan, Jonah, and Beanie's parents are costume designer Sharon Lyn and Guns N' Roses accountant and top showbiz business manager Richard Feldstein.

Many took to social media to react to react to the music exec's death including Tidal Vice President of Culture & Content Tony Gervino.

'Very saddened': Australian rapper Iggy Azalea led the celebrity tributes, tweeting that he was 'such a character' and 'will be sorely missed by many'

'Very saddened': Australian rapper Iggy Azalea led the celebrity tributes, tweeting that he was 'such a character' and 'will be sorely missed by many'

'Peace be with his family and loved ones': The Tonight Show's Questlove Gomez noted how Feldstein affected 'and changed the lives of many'

'Peace be with his family and loved ones': The Tonight Show's Questlove Gomez noted how Feldstein affected 'and changed the lives of many'

'#rip Jordan': Outkast's Big Boi tweeted his condolences to his 'close friend and manager'

'#rip Jordan': Outkast's Big Boi tweeted his condolences to his 'close friend and manager'

He wrote: 'Awful news. Jordan Feldstein was fiercely protective of his artists and their art and always delivered good or bad news personally. A mensch. RIP.'

Variety executive editor Shirley Halperin wrote: 'Sad news this morning... Thoughts go out to @maroon5 and the CAM family.'

Besides his two actor siblings and parents, Feldstein was survived by his two children.

'Thoughts and prayers': OneRepublic frontman Ryan Tedder - who's produced songs for Maroon 5 - called Jordan his 'longtime comrade in this crazy music business'

'Thoughts and prayers': OneRepublic frontman Ryan Tedder - who's produced songs for Maroon 5 - called Jordan his 'longtime comrade in this crazy music business'

'My sincerest condolences': Live Nation CEO Michael Rapino called his 'loyal' colleague and friend a 'masterful manager' and 'fierce supporter of talent' 

'My sincerest condolences': Live Nation CEO Michael Rapino called his 'loyal' colleague and friend a 'masterful manager' and 'fierce supporter of talent' 

'R.I.P': Memphis rapper Juicy J - who scored an Oscar for Hustle & Flow hit It's Hard out Here for a Pimp - also tweeted his condolences

'R.I.P': Memphis rapper Juicy J - who scored an Oscar for Hustle & Flow hit It's Hard out Here for a Pimp - also tweeted his condolences

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