Doug Goldstein, who steered Guns N' Roses through their most successful and tumultuous years, has died at 65.
His passing was confirmed on Thursday by Brandon Weissler, presenter of the band-focused podcast Appetite For Distortion. A cause of death has not been disclosed.
Mr Weissler, who previously collaborated with Mr Goldstein on an unfinished autobiography, offered a heartfelt tribute to the late manager.
"Doug was much more than a former Guns N' Roses manager," Mr Weissler told Ultimate Classic Rock.
"He was a friendly ear, a supportive voice and a sensitive man. You don't survive 17 years with Axl Rose by accident. In many ways, he saved Axl's life."
He added that Mr Goldstein "cared deeply about his friends, family, and all GN'R fans. He struggled in life, but never gave up."
Mr Goldstein's association with the Los Angeles hard rock outfit began during the promotion of their groundbreaking 1987 debut, Appetite for Destruction.
He initially joined as tour manager before rising to co-manager alongside Alan Niven.
Guns N' Roses in 1987
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Prior to entering the Guns N' Roses world, he had built experience working security for major acts such as Van Halen, Heart and Black Sabbath.
According to Mick Wall's 2016 biography Last of the Giants, Mr Goldstein's responsibilities extended far beyond typical management duties.
Colleagues described him as personable and accommodating, playing "good cop" to Mr Niven's more business-focused approach.
His task was not merely keeping the band operational on the road but, by many accounts, keeping its members alive during an era of considerable excess.
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Axl Rose and Slash of Guns N' Roses perform onstage during the Power Trip music festival at Empire Polo Club on October 06, 2023 in Indio, California
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Mr Goldstein assumed sole management responsibilities in 1991 following Mr Niven's departure, coinciding with one of the band's most commercially triumphant periods.
That September saw the simultaneous release of Use Your Illusion I and Use Your Illusion II, launching an extensive world tour that would run until 1993.
The tour proved notoriously chaotic, including the infamous St. Louis riot sparked when frontman Axl Rose abandoned the stage mid-performance during Rocket Queen.
Mr Goldstein remained loyal to Rose as the classic lineup fractured throughout the mid-to-late 1990s, staying involved during the protracted early sessions for Chinese Democracy.
He also contributed to the 1999 compilation Live Era '87-'93, which gathered recordings from the band's peak years. However, by the time Chinese Democracy finally emerged in 2008, Goldstein had departed the music industry five years earlier.
Mr Niven also paid his respects following the news.
"It's very sad. 65 is not old. I will be lighting a candle for him tonight," Mr Niven said.
In later years, Mr Goldstein reflected on his inability to reconcile the fractured band. After Rose, Slash and Duff McKagan reunited in 2016, he acknowledged the achievement of their new management team.
"The fact is, I could not get the band back together. They have," he told the Appetite For Distortion podcast.
Following his departure from the music industry, Mr Goldstein relocated to Hawaii where he worked in property, branding himself "Your Rock-N-Roll Realtor."
He is survived by his two sons, Jake and Eli.