In a memo, Lucy Dickins and Kirk Sommer detailed departmental changes relating to A&R, bookings and crossover opportunities.
The executive will transition back to being an independent producer.
Marro will serve as NITO's first MD and continue the group's fight against scalpers.
Thomas will continue to serve as VIBE's editor-at-large, as well as vice president of culture and media at PMC.
Also this week: 300 Entertainment gave its first employee a promotion, BMI has a new head of creative and iHeartMedia went on a restructuring tear.
The executive will remain in his position until March 31 and an external search for his successor is underway.
"This label will be a portal to the underground club world, distilling future trends for mass consumption," said Dollimore.
McCartney joins as agent while Frankel will serve as marketing and branding lead.
Fernández previously served as president of Noticias Telemundo, the news division of the Spanish-language network, from 2015-2021.
The London-based executive has been with the company since 2012.