Los Angeles-based booking agency The Kirby Organization (TKO) has acquired the roster and assets of rock-focused indie booking firm the Vital Agency, effective immediately. Vital's roster includes such acts as VersaEmerge, Mychildren Mybride and Vanna.

As part of the deal, Vital Agency founder/owner JJ Cassiere and agent Matt Anderson will join the TKO staff. Cassiere will be based in New York and Anderson work out of TKO's Los Angeles headquarters. Both agents can be reached by calling TKO's main phone number at 310-273-9200.

"We have been watching the activities of the Vital Agency guys for a couple of years now and, more specifically, the excellent work of JJ Cassiere in the development of his young and very talented artists," TKO president and CEO Dave Kirby said in a statement. "There is no doubt in my mind that JJ will become a major player in the worldwide agency business, and I am thrilled that he has decided to join us at TKO."

Along with its newly acquired clients, TKO has a roster of more than 150 artists, including Buckcherry, Mudvayne, the Cult, Motorhead, Hellyeah, Hank III, Lit and Anthrax.