Till date, there is no any information about his married life and wife. Jermaine Dupri was in a relationship with Shaniah Mauldin, with whom he has a daughter Shaniah Mauldin. He also dated American singer/songwriter Janet Jackson for seven years from 2002 to 2009. The pair was reported to have hooked-up again in 2017, however, neither of them has talked about their reconciliation.
Jermaine's father, who is an Atlanta based talent manager cordinated a Diana Ross show in 1982, where Jermanie managed to share the dancing stage with Ross. At the age of 12, he started dancing for the hip-hop group Whodini, making appearances in several music videos including Freaks Come Out At Night.
In the early 1990s, he created his first act for an Atlanta based female hip-hop trio Silk Tymes Leather. He formed an American hip hop group, Kris Kross. The band's debut album Totally Krossed Out was released on 31st of March 1992. Their second album Da Bomb was released on August 3, 1993. At the end of the 1990s, he produced several tracks for Usher's second album, My Way.
After working for Destiny's Child eponymous debut album, which was released on February 17, 1998, Jermaine then focused on his own music career. He released his lead single The Pary Continues from his first studio album Jermaine Dupri Presents Life in 1472: The Original Soundtrack. In 2004, he again collaborated with Usher, co-writing and co-producing three consecutive singles; Burn, Confessions Part II, and My Boo. Confessions won Best Contemporary R&B Album and Best R&B Performance by a Duo or Group with Vocals.
In 2005, Jermaine worked on Mariah Carey's tenth studio album titled The Emancipation of Mimi. The single We Belong Together from The Emancipation of Mimi became the second longest running number one song in US chart history, staying at No. 1 for fourteen non-consecutive weeks.
In 2006, Jermaine signed Dem Franchize Boyz to his label, So So Def. The group released On Top of Our Game in 2007, which topped the US Top Rap Albums with hits, I Think They Like Me and Lean wit it, Rock wit it. On October 7, 2013, he succeeded Randy Jackson as Carey's talent manager. Their collaboration ended in August 2014. In 2015, Jermaine created a reality TV series, The Rap Game, with Queen Latifah. In 2018, Jermaine was inducted into the Nashville Songwriter Hall of Fame.
He has an estimated net worth of $2 million. In May 2013, his So So Def Production encountered a lawsuit by Sun Trust Bank for about $1.9 million. In 2005, Jermaine brought his sex beds Atlanta mansion built on 1.73 acres for $3.2 million. In 2014, he was in the mortgage foreclosure for he wasn't able to pay the monthly installement for his mansion and was in a debut worth $2.5 million.