From Wikipedia: Paul Robert Tisdale (born 14 January 1973), an English professional football manager and former player, joined as Head of Football Operations at Celtic on 16 October 2024.
As a player, Tisdale represented Southampton, Bristol City, FinnPa, Panionios and Yeovil Town during a career which began in 1991 and concluded in 2000, playing primarily as a midfielder. During his time at Exeter City, he remained registered as a player between 2007 and 2016, making his debut as a late substitute in a 2–1 victory at Sheffield Wednesday at the end of the 2010–11 season and naming himself as a substitute in the EFL Trophy match at Oxford Utd on 30 August 2016.
Tisdale previously managed Team Bath. Having managed Exeter City from June 2006 until June 2018, he was, for 19 days, the longest-serving manager at one club in the English Football League.
