This is the second time Comolli has worked for St Etienne
Former Tottenham sporting director Damien Comolli has been appointed technical director of struggling French Ligue One club St Etienne.
Comolli was St Etienne's technical director from 2004 to 2005 before he moved to White Hart Lane.
He was sacked, along with Spurs manager Juande Ramos, last month following the club's disastrous start to the season.
On Monday coach Laurent Roussey was fired, with the club in the bottom three after five straight defeats.
St Etienne lost 3-0 at home to Rennes on Sunday and the 10-time champions' third home league loss in a row proved to be Roussey's last, just days after the club's joint presidents gave him two games to save his job.
When Comolli was previously with St Etienne, the club finished sixth in the league and reached the semi-finals of the Coupe de France.
He left the club following a fallout with the Ligue 1 club's directors.
Previously he worked for Arsenal as a European scout for seven years from 1997 played an important role with helping to bring Thierry Henry, Robert Pires and Robin van Persie to the club and took credit for the capture of Kolo Toure and Gael Clichy.
"I had already met Damien four weeks ago, before he left Tottenham, to ask him to think about it," added Caiazzo.
"The fact that he left Tottenham made things easier for me.
"We think that we absolutely need to ensure the club's future with a great sporting director.
"Damien Comolli has proved at Tottenham that he has a lot of experience. It's someone that we know."
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