He is best known as the manager of Britney Spears throughout most of her career.
Rudolph has also represented music artists besides Spears such as Avril Lavigne, Miley Cyrus, Will.i.am, Nicole Scherzinger, Justin Timberlake, 98 Degrees, Nick Lachey, DJ Pauly D, Backstreet Boys, O-Town, Toni Braxton, Swizz Beats and DMX. He is the founder of Reign Deer Entertainment, a management firm, through which he has produced the movie Crossroads (2002) and two reality series: Newlyweds: Nick and Jessica (2003–05),[1] and There & Back (2006).
Rudolph launched girl group G.R.L. along with Pussycat Dolls founder Robin Antin and producers Dr. Luke and Max Martin.
Wow. Larry. 
 