The 27-year-old endured a below-par season with the Potters, losing his place in the starting XI before being sent off in the penultimate game of the season after being restored to the line-up.
|3/1||Stoke are 3/1 with bet365 to be relegated next season
"I'm looking forward to working with Charlie day in day out and it will be an exciting time," the former QPR boss told reporters.
"We'll get to know each other on a number of levels. I know his quality and he can affect a game in all manner of ways by the strength of his ability.
"It's about getting the best out of him and finding the best position for him to be most effective.
"Whenever players have been involved with my coaching group they've enjoyed the day-to-day stuff. If you enjoy the work you will improve as you have the motivation to come in and work hard every single day.
"That's the environment I'm trying to create."
Adam moved to Stoke at the start of the 2012-13 season, but failed to reproduce the form he showed at Blackpool – where he scored 12 goals and bagged eight assists in the Premier League – and which prompted Liverpool to pay £7 million for him.