Knox previously served as senior vp of peermusic Nashville.
Lincoln arrives from The Kia Forum following the promotion of Rich Best to Live Nation's global concert team.
Bryan Thoensen, reporting up to Max Cutler, will oversee content strategy and acquisitions with individual audio creators.
"They’ve got spot-on musical instincts," says the label's president.
Brian Tarney and Liz Garo from Spaceland Presents hope to find their groove with the new company, which is also producing a forthcoming New York music event called Flesh & Steel.
Under the deal, Marcus Allen and Brandon McEachern join Live Nation Urban in executive roles.
Also this week: BMG names a vp of A&R, recorded music, Ryman Hospitality has a new CEO and more.
Magrew will focus on new venue development, event marketing, strategic partnerships, ticket inventory management and more in his new role.
"It's like the Robinhood of talent," comments Martini, "and it's game-changing."
Greenwald will continue to run Atlantic Records alongside Craig Kallman.