Roman GianArthur is an American R&B musician, singer, songwriter and record producer known for his collaborations with artists Janelle Monáe and Jidenna. He is a member of Monae's Wondaland Arts Collective, and was featured on Jidenna's Grammy-nominated single "Classic Man". He has also contributed to Monae's albums The ArchAndroid and The Electric Lady. His single "iKnow" was featured on the EP Wondaland Presents: The Eephus. In September 2015, Rolling Stone named GianArthur to a list of "10 New Artists You Need to Know."
GianArthur's older brother is Nate "Rocket" Wonder, another member of Monae's Wondaland collective.