Chelsea chief scout Michael Emenalo has been promoted to the post of assistant first team coach following the departure of Ray Wilkins last week.
Emenalo, who was brought to the club by former Blues boss Avram Grant, had been working as a scout for the club since October 2007 but will now make the transition to coaching.
"Chelsea Football Club is pleased to announce the appointment of Michael Emenalo to the position of Assistant First Team Coach," the club confirmed in a statement. "He moves up from his previous position of Head Opposition Scout.
"Michael will continue to oversee the first team scouting operation as he makes the transition to coaching. He will split the initial period between assisting First Team Coach Carlo Ancelotti and updating his coaching qualifications as he takes on this bigger and more influential role.''
Emenalo, 42, won 14 caps for Nigeria and played in the 1994 World Cup in the United States. A defender during his playing days and became known to Grant during their time at Maccabi Tel Aviv. He also played in Belgium and Germany before winning the Anglo-Italian Cup with Notts County.
Ancelotti said: "Michael Emenalo is doing a fantastic job as head opposition scout and he is already working very close to me.''