American producer, publisher and artist manager.
Husband of Margo Guryan.
Founder of [l202042] (1974) , after he worked for
the publishing companies [l243572], [l344875] and [l267194].
Rosner was effectively Elton John first manager in the US.

Born: November 27, 1938 in California
Died: June 13, 2017 in Los Angeles, California