Dave Carolan joined Blues as head of sports science in May 2015.
Carolan has a wealth of performance experience, having spent more than 20 years working with elite athletes in football, rugby and cricket.
Most recently he was at Colchester United, where he spent seven years with the League One side. Prior to that he had ten-year spell at Norwich City, as well as six years with Lowestoft Town.
In addition to his time in football, Carolan also has worked with the English Institute of Sport, where he helped prepare Great Britain's shooting team for the Olympic Games.