"The junior development was so well set up and structured with so many players coming through that system. The recruitment policy is very strong and they consistently win games.
"After talking to everyone and getting to know the people around the club it was quite obvious they're winners. They didn't have to sell too much to me after that."
St Helens chief executive Tony Colquitt says Simmons, who will be the fourth successive Aussie after Ian Millward, Daniel Anderson and Potter to hold the top job at Knowsley Road, has the necessary experience to take on a big job in Super League.
"I think his pedigree and his track record is second to none," said Colquitt. "I think Royce is a name well known across the sport on both sides of the world.
"We were looking for someone who has got experience with top-class athletes. You look at Royce's record working under Tim Sheens who's one of the greatest coaches knocking around at this moment in time.
"He's been exposed to systems and procedures at the highest level and Royce was an outstanding candidate."
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