Shannan appears in numerous television commercials for the brand Burgen bread.
Shannan's biggest fear is snakes.
Shannan's star sign is Capricorn.
Shannan used to be a builder.
Shannan states that his guilty pleasures are his mum's home cooked desserts and beer.
Shannan was nominated as one of Cleo magazines 50 most eligible bachelors of 2008.
Shannan's favourite fitness classes include aerobics, indoor cycling and bar classes.
In Februrary, 2005, Shannan's father Terry suffered a heart attack. Luckily the ambulance team arrived quickly and ultimately saved his life. It was later discovered that if it had taken three more minutes to reach the hospital, Terry would have died.
Shannan's father is a Vietnam war veteran.
Shannan's fitness career began in rugby league playing and training with the North Sydney Bears. In 1996 he moved to Fiji with the Fijian Super League to prepare the team for the World Cup.
Shannan and his fellow trainer Michelle Bridges from The Biggest Loser were celebrity guests on Ready Steady Cook, which aired on April 23, 2007 on network 10.
Shannan works at Fitness First in St Leonards.
Shannan loves to surf.
Shannan uses a range of fitness techniques including martial arts, kickboxing and weight training to get results.
Shannan describes himself as being all about "strength and discipline".
Shannan has created innovative approaches to fitness, including The Crunch Challenge which became a fitness show on Foxtel.
Shannan: [on who he thinks is the hottest female celebrity right now] Delta Goodrem because she is the complete package, gorgeous, talented, and just a beautiful soul.
Shannan: [on why he would make a good Bachelor of the Year winner] What you see is what you get. I'm passionate about everything I do and put in 100%.
Shannan: Respect means respect your body, your health, other people's property, nature, your mother. Life is about respect.
Shannan: [on American Biggest Loser trainer Bob Harper] I in no way ever wanted to be a mini-Bob. I just wanted to take the best of what Bob had and then Shannanise it. I never ever wanted to walk in his footsteps.
Shannan: [on the attention he has been getting from fans] It's a bit weird, man, because, as you can probably tell, I'm a pretty normal Aussie bloke and I get embarrassed most of the time.
Shannan: One milkshake equals seven kilometres of walking.
Shannan: Avoid burgers! They contain 3 to 5 teaspoons of fat.
Shannan: One thing I have learnt from The Biggest Loser is just how resilient the human body is.
Shannan: The best way to get into an exercise program is to get yourself an experienced personal trainer.
Shannan: Pain is just weakness leaving the body.