AUTHORIZATION



I hereby authorize Donna Belanger, Wendy Cassity, Leanne Fitzgerald,
Justine Bensussen, or any one of them, to sign and file on my behalf any
and all forms required by the Securities and Exchange Commission pursuant
to Section 16 of the Securities Exchange Act of 1934
(the "Exchange Act") relating to the reporting of beneficial ownership of
equity securities of Nuance Communications, Inc. (the "Company"), and of
changes in such beneficial ownership, together with any and all amendments
thereto.  This Authorization shall be effective on and after the date
set forth below and shall continue in effect until I am no longer required
to file such Forms, unless earlier revoked by me in writing.

I acknowledge that the persons authorized hereunder are not assuming,
nor is the Company assuming, any of my responsibilities to comply with
Section 16 of the Exchange Act.



Dated as of the 8th day of April,2019.




/s/Robert Dahdah
By:Robert Dahdah