Pompey have appointed Bobby Bacic as Head Physiotherapist to lead a new-look medical department.
There have been several more appointments over the course of the summer to look after both first team and academy players.
It follows the departures of Andy Procter and Nick Meace, who left to join former manager Paul Cook at Wigan.
Bacic previously worked with Blues boss Kenny Jackett at Millwall and also spent time with QPR and Preston.
He said: “I’m delighted to come to Pompey and looking to use my experience to help the club grow, as we try to build a long-term infrastructure.
“I actually did my placement in the city at both QA Hospital and St Mary’s Hospital 20 years ago, so it’s nice to be back.
"I’m delighted to come to Pompey and looking to use my experience to help the club grow.
“It’s great that we’ve also brought in some highly-rated, up-and-coming members of staff from other clubs, while others have been promoted from within. They all have an affinity with this area and the club.”
Portsmouth Football Club would also like to welcome First Team Physio Jack Hughes, Head of Sports Science Jeff Lewis and Sports Therapist Steven Robinson.
Meanwhile, Ben Spong and Will Harlow-Triggs have been appointed as Academy Strength & Conditioning Coach and Academy Physiotherapist respectively.
Another new arrival at Fratton Park is Phil Boardman, who has joined the club as Head of Recruitment.