Rosanna Mangiarelli joined the Seven Network in 2004 as a reporter, presenter and producer. Rosanna commenced her role as host of Today Tonight Adelaide in August 2007.

After completing her Journalism degree at the University of South Australia, Rosanna cut her teeth at Southern Cross Television in Port Pirie in 1997. Rosanna reported and presented for the nightly news service, becoming one of the country's first video journalists.

Rosanna's career took a leap forward in 1999 when she joined the ABC in Tasmania, fulfilling a number of roles for the national broadcaster including reporting, presenting and producing for both radio and television.

Rosanna then returned to her home town of Adelaide where she joined the ABC newsroom as a reporter in both news and current affairs, before moving on to present the Australia Network's national news from Perth, to an impressive audience of millions in the Pacific, Asia and India from 2001.

Rosanna's big break came when she joined the Seven Network in 2004 - her versatility allowing her to fulfill a broad range of tasks both on and off camera.

Rosanna feels privileged to have interviewed a number of international, national and state identities - some of her highlights include: boxing great Muhammed Ali, Anzac hero Alec Campbell (who was Australia's last surviving Gallipoli veteran) and award-winning writer Max Fatchen.

Some other career highlights for Rosanna include reporting on the 2003 Baxter Detention Centre riots, covering the Kapunda Road Royal Commission, travelling to Los Angeles to read news for Seven's Sunrise and hosting local magazine program, Adelaide Weekender. Rosanna is also a regular presenter on Discover, Seven's local tourism program.

Rosanna has anchored two summer editions of Today Tonight and enjoyed a long stint with the top rating program while Leigh McClusky was on maternity leave in 2006.

Away from work, Rosanna dedicates her time to an array of charities. She also enjoys holidaying around the state with husband Andrew and spending time with her family, friends and pets.