The one-time England player made his breakthrough as a player with the Addicks in the 1990s, before embarking on successful career that took in the likes of Leeds, Newcastle and West Ham.
In 1996, he was signed by Leeds United manager Howard Wilkinson for £2.8m, which was a record for a British teenager.
Now 40, Bowyer returned to Charlton on a temporary basis in January but manager Karl Robinson has moved to promote him to his full-time assistant.
“It feels great to be asked to do this and to work alongside Karl and I’m really looking forward to it,” said Bowyer, who played 58 times for Charlton.
Read more at: http://www.yorkshireeveningpost.co.uk/sport/football/ex-leeds-united-star-lee-bowyer-rejoins-addicks-1-8627017