Daniel Rosen is an American comedian, juggler and game show announcer. He began his career with unicycle, juggling and magic acts in high school. Johnny Carson discovered Rosen when he was a teen and made him a regular guest on The Tonight Show Starring Johnny Carson. The Tonight Show exposure and Carson's endorsement led him be the announcer and writer on The Late Show, a talk show that was on FOX. Rosen is also the founder and CEO of Credit Aid software.