POWER OF ATTORNEY


The undersigned constitutes and appoints John R.
Moore as his true and lawful attorney-in-fact and agent,
with full power of substitution and resubstitution, from the undersigned
and in the undersigned's name, place and stead, in any and all capacities,
to execute and file on the undersigned's behalf all Forms 3, 4 and 5
(including any amendments thereto) that the undersigned may be required
to file with the U.S. Securities and Exchange Commission as a result of the
undersigned's ownership of or transactions in securities of Array BioPharma
Inc. The authority of John R. Moore under this
statement shall continue until the undersigned is no longer required to
file Forms 3, 4 and 5 with regard to the undersigned's ownership of or
transactions in securities of Array BioPharma Inc., unless earlier revoked
in writing.  The undersigned acknowledges that John R. Moore is not assuming
any of the undersigned's responsibilities
to comply with Section 16 of the Securities Exchange Act of 1934.


Signature Date
Jason Haddock
July 18, 2016