Duke spent his early years in Southern California, then journeyed to the East Coast for his undergraduate studies at Brown University (A.B.). Duke moved to Washington, DC in 2004 to serve as the Assistant Pastor of GraceDC's "anchor" congregation, Grace Downtown, then in 2011 planted its second congregation, Grace Meridian Hill, a cross-cultural neighborhood church located in one of the most ethnically and economically diverse parts of our nation's capital. Duke and Paula live in the Columbia Heights neighborhood together with their three children.