He assumed the title of music director designate with immediate effect.

This title designated him as the heir apparent.

Nelsons is to hold the title of Music Director Designate for the 2013-2014 season.

He held the title of music director designate during the 2010-2011 season.

He is scheduled to hold the title of music director designate for the 2013-2014 season.

He took the title of principal conductor designate with immediate effect.

He took the title of Music Director Designate with immediate effect.

Lacombe held the title of music director designate for the 2009-2010 season.

Oramo is to hold the title of Chief Conductor Designate for the 2012-2013 season.

The title is still in use in some constitutional monarchies and designates the acting head of state while the monarch is abroad.