He has been a member of numerous hard rock and metal bands including 58, Black Label Society, Crowbar, Kingdom of Sorrow, The Underbellys, SkilletHead, and Saigon Kick.

Later they would settle on the name ZEX, and in February of that year they landed a gig at Woody's, a Miami club owned by the Rolling Stones' guitarist Ronnie Wood.

The song "Ren and Stevie" was co-written with Middle Ear Studio engineer, Scott Glasel and his girlfriend, Amanda Green.

This five piece band included Billy Velvet (lead vocals), Joel Dasilva (guitarist), Sean 'Evil' Gerovitz (bass), Randy Blitz (drums) and Gibb on guitar.

Their sound, as exemplified on the band's only album released in early 2000, was a self-described mixture of "glam, hip hop, rock, pop, funk and a car crash".

The same year, Gibb appeared in the music video for Black Label Society's "Counterfeit God" from their 2000 release Stronger than Death.

The band did not have a permanent bassist at the time (for the video Mark Wahlberg was stand-in) Gibb joined Zakk Wylde's Black Label Society as bass player in the spring 2000.

The Ozzfest 2001: The Second Millennium album included the track "Superterrorizer" recorded at Alpine Valley Music Theatre, East Troy, Wisconsin on 9 June.

Gibb performed some solos and leads on a few tracks[3] on this album and also went on the initial promotional tour I late February early March 2008.

Gibb joined the line-up of Saigon Kick at the Broward County, Florida centenary celebrations, the free street festival in Fort Lauderdale on 3 October 2015.

[11] The Outkast Talent Agency in Miami was asked to find numerous extras for the Michael Bay film Bad Boys II, released in 2003.

In September 2006, Gibb, his father, and brother Ashley wrote "Drown on the River", which is included in the 2007 Burt Reynolds film Deal.

The Oliver Schmitz film Shepherds and Butchers (2016) featured the track "Angels" during the closing credits that was co-written by Gibb with his father and brother Ashley [13] For many years, Gibb's parents have been international chairpersons of the Love and Hope Committee for the Diabetes Research Institute Foundation based in Miami, Florida.

At the 34th Love and Hope Ball, held at the Westin Diplomat Resort & Spa in 2008, Gibb, his siblings and their spouses were inducted as the first Young Society Honourees.