carosa began his career while he was a teenager by co-founding the media and entertainment company destra with his sister in 1993. the company was originally called sprint and owned entertainment websites in australia. he was 25 years old when destra was first publicly listed on the australian securities exchange, making him the youngest ceo in australian history. carosa officially launched the destra corporation brand in 2004, and in 2005 announced first year revenue of over $15 million. in 2004, destra corporation announced a large deal with yahoo! to integrate a new suite of services with ozhosting.com's web hosting service.