Johan Mjallby, Alan Thompson and Garry Parker are expected to form Lennon's backroom team.
Celtic club-mate Alan Thompson had been dismissed earlier in the heated Glasgow derby.
"I know Alan Thompson from Villa, Paul Telfer from Coventry and Roy Keane from my Manchester United days, " added Dublin.
BBC: SPORT | Football | My Club | Celtic | Veteran Dublin signs for Celtic
Robert Douglas, Sutton, Lambert, Stilian Petrov and Sylla came in, with Hartson, Jonathan Gould, Jackie McNamara, Alan Thompson and Didier Agathe dropping out.
The England team came back from 2-0 down to win 3-2, thanks to goals from Les Ferdinand and Alan Thompson and an Alan Shearer penalty.
When Alan Thompson put Celtic three ahead with a 54th-minute penalty, it edged them towards their third title in a row on goal difference during a day of fluctuating fortunes.
The study is taking place in collaboration with Professor Alan Thompson at the National Hospital for Neurology and Neurosurgery (part of University College London Hospitals NHS Foundation Trust) and Institute of Neurology, University College London.
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Former Northern Ireland international Lennon had bullets sent to him through the post earlier in the season and, on Friday, first-team coach Alan Thompson was quoted saying that Lennon could conceivably consider his future in the summer.
Finland coach Stuart Baxter has been linked with a mentoring role, thought it remains to be seen where the nomadic 56-year-old will feature in the new coaching set-up, also boasting Lennon's former team-mates Johan Mjallby and Alan Thompson.
But that is to sleight the contributions of Michael Gambon, Alan Rickman, Ralph Fiennes, Emma Thompson, Jim Broadbent and so many others.
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