[5][6] In 2004, Cahill and his partners, Greg Suess, Jay Froberg, and Will Ward, founded the integrated management company ROAR, LLC.
Since then, ROAR has grown to forty two employees and has offices in New York, Atlanta, and Nashville, with its headquarters in Beverly Hills, California.
[10] Cahill and ROAR partner Will Ward worked closely with JAM and Outback Concerts to produce Zac Brown’s Southern Ground Music and Food Festivals.
Formerly an Intellectual Property attorney, prior to co-founding ROAR Cahill ran a law office on Nashville, Tennessee's Music Row specializing in artist representation, licensing, and digital rights management.
He is also actively involved in a number of philanthropic causes, including Zac Brown’s Camp Southern Ground and the USO Entertainment Advisory Council, as well as serving on the board of InsideOUT Writers.