Also this week: Senior hires and promotions at Big Loud, Electric Feel, SMP UK, Oak View Group, the Neal Agency, Big Machine, Amigo Records and Audible Treats.
The longtime partner is "on to my next adventure."
"Nothing is off limits if it benefits the artist," he says.
Massey linked with Sony Music chairman Rob Stringer to relaunch the iconic imprint in 2018.
Also this week: A new head of A&R at Joie Manda's Encore Recordings, Symphonic elevates three, and a Beggars Group mainstay joins Exceleration.
The former president of Three Six Zero is based at the label’s New York headquarters.
Zeidman, who has an official end date no later than Oct. 31, will assist with the leadership transition.
Also this week: Earl Sweatshirt's manager joins ATC, TikTok makes a key hire ahead ahead of ban-day (April 5) and Big Loud Records loses an svp of marketing.
Japanese entertainment company Avex is making a major move to increase its presence in the U.S.
The company plans to double its investment in its electronic music management division, with CEO and founder Lucas Keller predicting "another large acceleration" for the genre.